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  • 1.
    Cao, Yuan
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS).
    Zhao, Yongli
    Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China..
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Yu, Xiaosong
    Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China..
    Zhang, Jie
    Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Multi-tenant secret-key assignment over quantum key distribution networks2019Inngår i: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 27, nr 3, s. 2544-2561Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Quantum key distribution (QKD) networks are promising to progress towards widespread practical deployment over existing fiber infrastructures in the near future. Given the high cost and difficulty of deploying QKD networks, multi-tenancy becomes promising to improve cost efficiency for future QKD networks. In a multi-tenant QKD network, multiple QKD tenants can sham the same QKD network infrastructure to obtain secret keys for securing their data transfer. Since the secret-key resources are finite and precious in QKD networks, how to achieve efficient multi-tenant secret-key assignment (MTKA) to satisfy the secret-key demands of multiple QKD tenants over QKD networks becomes a significant problem. In this regard, this study addresses the MTKA problem over QKD networks. A new multi-tenant QKD network architecture is proposed based on software defined networking (SDN) and quantum key pool (QKP) techniques. A secret-key rate sharing scheme is presented and a heuristic algorithm is designed to implement efficient MTKA over QKD networks. A new performance metric, namely matching degree (MD) that reflects the balance between QKD network secret-key resources and QKD tenant requests, is defined and evaluated. Simulation studies indicate that high QKD tenant requests accommodation and efficient secret-key resource usage can be achieved via maximizing the value of MD. 

  • 2.
    Cheng, Yuxin
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    De Andrade, Marilet
    Ericsson Research, Sweden.
    Wosinska, Lena
    Department of Electrical Engineering, Chalmers University of Technology, Sweden.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Disaggregated Data Centers: Challenges and Tradeoffs2019Inngår i: IEEE Communications Magazine, ISSN 0163-6804, E-ISSN 1558-1896Artikkel i tidsskrift (Annet vitenskapelig)
    Abstract [en]

    Resource utilization of modern data centers is significantly limited by the mismatch between the diversity of the resources required by running applications and the fixed amount of hardwired resources (e.g., number of central processing unit CPU cores, size of memory) in the server blades. In this regard, the concept of function disaggregation is introduced, where the integrated server blades containing all types of resources are replaced by the resource blades including only one specific function. Therefore, disaggregated data centers can offer high flexibility for resource allocation and hence their resource utilization can be largely improved. In addition, introducing function disaggregation simplifies the system upgrade, allowing for a quick adoption of new generation components in data centers. However, the communication between different resources faces severe problems in terms of latency and transmission bandwidth required. In particular,the CPU-memory interconnects in fully disaggregated data centers require ultra-low latency and ultra-high transmission bandwidth in order to prevent performance degradation for running applications. Optical fiber communication is a promising technique to offer high capacity and low latency, but it is still very challenging for the state-of-the-art optical transmission technologies to meet the requirements of the fully disaggregated data centers. In this paper, different levels of function disaggregation are investigated. For the fully disaggregated data centers, two architectural options are presented, where optical interconnects are necessary for CPU-memory communications. We review the state-of-the-art optical transmission technologies and carry out performance assessment when employing them to support function disaggregation in data centers. The results reveal that function disaggregation does improve the efficiency of resource usage in the data centers, although the bandwidth provided by the state-of-the-art optical transmission technologies is not always sufficient for the fully disaggregated data centers. It calls for research in optical transmission to fully utilize the advantages of function disaggregation in data centers.

  • 3. Feng, Z.
    et al.
    Tang, M.
    Guan, X.
    Chan, C. C. -K
    Wu, Q.
    Chen, X.
    Wang, R.
    Lin, Rui
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS.
    Fu, S.
    Deng, L.
    Liu, D.
    Spectrally overlaid DDO-OFDM transmission enabled by optical power division multiplexing2017Inngår i: ICOCN 2016 - 2016 15th International Conference on Optical Communications and Networks, IEEE, 2017Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Two 8.3-Gb/s spectrally overlaid DDO-OFDM signals are successfully transmitted along 50-km SMF using optical power division multiplexing and received by a successive interference cancellation (SIC) receiver. Spectral efficiency is doubled with optimized optical modulation index and optical power division ratio.

  • 4. Feng, Z.
    et al.
    Wu, Q.
    Tang, M.
    Lin, Rui
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS.
    Wang, R.
    He, J.
    Fu, S.
    Deng, L.
    Liu, D.
    Shum, P. P.
    Power efficient optical OFDM transmission with phase modulation and direct detection2016Inngår i: 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016, IEEE conference proceedings, 2016Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Optical OFDM transmission with phase modulation and direct detection (PMDD) is verified by theoretical derivation and simulation. 26.12-Gb/s PMDD 16QAM-OFDM achieves comparable performance to single sideband IMDD 16QAM-OFDM with half of the optical modulation index. © 2016 IEICE.

  • 5. Feng, Zhenhua
    et al.
    Tang, Ming
    Guan, Xun
    Chan, Calvin Chun-Kit
    Wu, Qiong
    Wang, Ruoxu
    Lin, Rui
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS.
    Fu, Songnian
    Deng, Lei
    Liu, Deming
    Digital Domain Power Division Multiplexing DDO-OFDM Transmission with Successive Interference Cancellation2016Inngår i: 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), IEEE conference proceedings, 2016Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Two independent 2.5-Gb/s DDO-OFDM signals are simultaneously transmitted over 25km SMF using digital domain power division multiplexing and successive interference cancellation. With optimized power division ratio and enhanced SD-FEC, the spectral efficiency can be doubled.

  • 6. Jiang, Tao
    et al.
    Tang, Ming
    Lin, Rui
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Precoded-DC-Biased Optical OFDM system for Visible light communications2017Inngår i: 30th Annual Conference of the IEEE Photonics Society (IPC), Institute of Electrical and Electronics Engineers (IEEE), 2017, s. 549-550Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Traditional OFDM techniques in VLC suffer from high PAPR and serious clipping distortion. In this paper, we propose a Precoded-DC-Biased Optical OFDM technique for VLC system. Numerical simulations are presented, proving substantial benefits in terms of PAPR and BER.

  • 7.
    Lin, Rui
    et al.
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS.
    Cheng, Yuxin
    KTH, Skolan för informations- och kommunikationsteknik (ICT).
    Guan, Xun
    Tang, Ming
    Liu, Deming
    Chan, Chun-Kit
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Physical-layer network coding for passive optical interconnect in datacenter networks2017Inngår i: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 25, nr 15, s. 17788-17797Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    We introduce physical-layer network coding (PLNC) technique in a passive optical interconnect (POI) architecture for datacenter networks. The implementation of the PLNC in the POI at 2.5 Gb/s and 10Gb/s have been experimentally validated while the gains in terms of network layer performances have been investigated by simulation. The results reveal that in order to realize negligible packet drop, the wavelengths usage can be reduced by half while a significant improvement in packet delay especially under high traffic load can be achieved by employing PLNC over POI.

  • 8.
    Lin, Rui
    et al.
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab). Huazhong University of Science and Technology, China.
    Cheng, Yuxin
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Tang, M.
    Liu, D.
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Physical-layer network coding for passive optical interconnects in datacenter networks2017Inngår i: 2017 19th International Conference on Transparent Optical Networks (ICTON), IEEE Computer Society, 2017Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We introduce physical-layer network coding for a passive optical interconnect architecture in datacenter networks. Results reveal that half of the wavelengths can be saved to obtain latency in the magnitude of microseconds.

  • 9.
    Lin, Rui
    et al.
    Huazhong University of SciandTech (HUST), China.
    Feng, Z.
    Tang, M.
    Fu, S.
    Shum, P.P.
    Liu, D.
    Spacing Switchable Flat Broadband Optical Comb Generation Based on Cascaded Electro-optical Modulator2013Konferansepaper (Fagfellevurdert)
  • 10.
    Lin, Rui
    et al.
    Huazhong University of Sci&Tech ( HUST), China.
    Feng, Z.
    Tang, M.
    Wang, R.
    Fu, S.
    Shum, P.
    Liu, D.
    Palm-Shaped Optical Spectrum Generation for Fiber-Wireless Integrated Communication with Dual-Band Millimeter Wave2014Inngår i: Asia Communications and Photonics Conference, ACPC 2014, Optical Society of America, 2014Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We proposed and demonstrated a simple cost-effective palm shaped spectrum generation based on DPMZM in order to simultaneously generating dual-band MMWs and optical carrier, offering an alternative in integration of fiber and wireless communication in indoor and inter-building environments.

  • 11.
    Lin, Rui
    et al.
    KTH.
    Kerrebrouck, J. V.
    Pang, Xiaodan
    KTH.
    Verplaetse, M.
    Ozolins, O.
    Udalcovs, A.
    Zhang, Lu
    KTH.
    Gan, L.
    Tang, M.
    Fu, S.
    Schatz, Richard
    KTH.
    Westergren, Urban
    KTH.
    Popov, Sergei
    KTH.
    Liu, D.
    Tong, W.
    Keulenaer, T. D. E.
    Torfs, G.
    Bauwelinck, J.
    Yin, X.
    Chen, Jiajia
    KTH.
    Real-time 100 Gbps/λ/core NRZ and EDB IM/DD transmission over multicore fiber for intra-datacenter communication networks2018Inngår i: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 26, nr 8, s. 10519-10526Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    A BiCMOS chip-based real-time intensity modulation/direct detection spatial division multiplexing system is experimentally demonstrated for both optical interconnects. 100 Gbps/λ/core electrical duobinary (EDB) transmission over 1 km 7-core multicore fiber (MCF) is carried out, achieving KP4 forward error correction (FEC) limit (BER < 2E-4). Using optical dispersion compensation, 7 × 100 Gbps/λ/core transmission of both non-return-to-zero (NRZ) and EDB signals over 10 km MCF transmission is achieved with BER lower than 7% overhead hard-decision FEC limit (BER < 3.8E-3). The integrated low complexity transceiver IC and analog signal processing approach make such a system highly attractive for the high-speed intra-datacenter interconnects.

  • 12.
    Lin, Rui
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Lu, Yang
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, Oskars
    RISE Acreo AB, Networking & Transmiss Lab, SE-16425 Kista, Sweden..
    Cheng, Yuxin
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    RISE Acreo AB, Networking & Transmiss Lab, SE-16425 Kista, Sweden..
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, Gunnar
    RISE Acreo AB, Networking & Transmiss Lab, SE-16425 Kista, Sweden..
    Tang, Ming
    Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China..
    Liu, Deming
    Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    First Experimental Demonstration of Physical-Layer Network Coding in PAM4 System for Passive Optical Interconnects2017Inngår i: 43RD EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC 2017), IEEE , 2017Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We propose to implement physical-layer network coding (PLNC) in coupler-based passive optical interconnects. The PLNC over PAM4 system is for the first time experimentally validated, where simultaneous mutual communications can be kept within the same wavelength channel, doubling spectrum efficiency.

  • 13.
    Lin, Rui
    et al.
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS. Huazhong University of Science and Technology, China.
    Pang, Xiaodan
    Ozolins, Oskars
    Feng, Zhenhua
    Djupsjöbacka, Anders
    Westergren, Urban
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Fotonik och mikrovågsteknik, FMI.
    Schatz, Richard
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Fotonik och mikrovågsteknik, FMI.
    Jacobsen, Gunnar
    Tang, Ming
    Fu, Songnian
    Liu, Deming
    Popov, Sergei
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Optik och Fotonik, OFO.
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Experimental Validation of Scalability Improvement for Passive Optical Interconnect by Implementing Digital Equalization2016Konferansepaper (Fagfellevurdert)
  • 14.
    Lin, Rui
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Van Kerrebrouck, J.
    Belgium.
    Verplaetse, M.
    Belgium.
    Ozolins, O.
    Udalcovs, A.
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Gan, L.
    China.
    Tang, M.
    China.
    Fu, S.
    China.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Westergren, Urban
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, D.
    China.
    Tong, W.
    China.
    De Keulenaer, T.
    Belgium.
    Torfs, G.
    Belgium.
    Bauwelinck, J.
    Belgium.
    Yin, X.
    Belgium.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Real-time 100 Gbps/λ/core NRZ and EDB IM/DD transmission over 10 km multicore fiber2018Inngår i: Optics InfoBase Conference Papers, Optical Society of America, 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    A BiCMOS chip-based real-time IM/DD spatial division multiplexing system is experimentally demonstrated for short-reach communications. 100 Gbps/λ/core NRZ and EDB transmission is achieved below 7%-overhead HD-FEC limit after 10km 7-core fiber with optical dispersion compensation.

  • 15.
    Lin, Rui
    et al.
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS. Huazhong University of Sci&Tech (HUST), China.
    Szczerba, Kraysztof
    Agrell, Erik
    Wosinska, Lena
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Tang, Ming
    Liu, Deming
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Scalability Analysis of Coupler Based Optical InterconnectsInngår i: IEEE Photonics Journal, ISSN 1097-5764, E-ISSN 1943-0655Artikkel i tidsskrift (Annet vitenskapelig)
  • 16.
    Lin, Rui
    et al.
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS. Huazhong University of Science and Technology, China.
    Szczerba, Krzysztof
    Agrell, Erik
    Wosinska, Lena
    Tang, Ming
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    To Overcome the Scalability Limitation of Passive Optical Interconnects in Data centres2016Manuskript (preprint) (Annet vitenskapelig)
  • 17.
    Lin, Rui
    et al.
    Huazhong University of Science and Technology, China.
    Tang, M.
    Wang, R.
    Feng, Z.
    Fu, S.
    Liu, D.
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Shum, P.
    An Ultra-dense Optical Comb Based DWDM-OFDM-PON System2014Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We proposed and demonstrated an ultra-dense optical comb based DWDM-OFDM-PON scheme. At the optical line terminal (OLT), a cost-effective optical frequency comb generator (OFCG) is proposed and achieved as the multi-wavelength optical source. The OFCG is capable to provide multiple channels with reconfigurable wavelength spacing for ultra-dense WDM-PON based access network. In our scheme, OFDMsignal with multi-level modulation will be encoded into the OFCG lines for the downstream transmission to enhance the spectral efficiency while the OFDM signal will be remodulated by OOK data for the upstream transmission due to its ease of implementation in optical network unit (ONU) side. In experiments, we demonstrated that 10 optical lines with 25 GHz channel spacing are generated and they were modulated by 2.5-GB/s QPSK-OFDM for the downlink signal transmission. We also demonstrated that the multiple wavelengths from the OFCG.

  • 18.
    Lin, Rui
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, A.
    Ozolins, O.
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Gan, L.
    Shen, L.
    Tang, M.
    Fu, S.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Yang, C.
    Tong, W.
    Liu, D.
    Da Silva, T. F.
    Xavier, G. B.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Telecom Compatibility Validation of Quantum Key Distribution Co-Existing with 112 Gbps/λ/core Data Transmission in Non-Trench and Trench-Assistant Multicore Fibers2018Inngår i: European Conference on Optical Communication, ECOC, Institute of Electrical and Electronics Engineers Inc. , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We experimentally characterize photon leakage from 112Gb/s data channels in both non-trench and trench-assistant 7-core fibers, demonstrating telecom compatibility for QKD co-existing with high-speed data transmission when a proper core/wavelength allocation is carried out.

  • 19.
    Lin, Rui
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS).
    Udalcovs, Aleksejs
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Ozolins, Oskars
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS).
    Gan, Lin
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Shen, Li
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tang, Ming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Fu, Songnian
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Yang, Chen
    Yangtze Opt Fiber & Cable Joint Stock Ltd Co YOFC, Wuhan, Hubei, Peoples R China..
    Tong, Weijun
    Yangtze Opt Fiber & Cable Joint Stock Ltd Co YOFC, Wuhan, Hubei, Peoples R China..
    Liu, Deming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    da Silva, Thiago Ferreira
    Natl Inst Metrol Qual & Technol, Opt Metrol Div, Duque De Caxias, Brazil..
    Xavier, Guilherme. B.
    Linkopings Univ, Inst Syst Tekn, Linkoping, Sweden..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS).
    Integrating Quantum Key Distribution with the Spatial Division Multiplexing Enabled High Capacity Optical Networks2018Inngår i: 2018 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE (ACP), IEEE , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    In this talk, we discuss integrating the quantum key distribution (QKD) th the spatial division multiplexing (SDM) enabled optical mmunication network for the cyber security.

  • 20.
    Lin, Rui
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab). Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Van Kerrebrouck, Joris
    Univ Ghent, Imec, IDLab, Dept Informat Technol, Ghent, Belgium..
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab). RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Verplaetse, Michiel
    Univ Ghent, Imec, IDLab, Dept Informat Technol, Ghent, Belgium..
    Ozolins, Oskars
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Udalcovs, Aleksejs
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Gan, Lin
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tang, Ming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Fu, Songnian
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Westergren, Urban
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, Deming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tong, Weijun
    Yangtze Opt Fiber & Cable Joint Stock Ltd Co YOFC, Wuhan, Hubei, Peoples R China..
    De Keulenaer, Timothy
    Univ Ghent, Imec, Spin Off IDLab, BiFAST, Ghent, Belgium..
    Torfs, Guy
    Univ Ghent, Imec, IDLab, Dept Informat Technol, Ghent, Belgium..
    Bauwelinck, Johan
    Univ Ghent, Imec, IDLab, Dept Informat Technol, Ghent, Belgium..
    Yin, Xin
    Univ Ghent, Imec, IDLab, Dept Informat Technol, Ghent, Belgium..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Spatial Division Multiplexing for Optical Data Center Networks2018Inngår i: 22ND INTERNATIONAL CONFERENCE ON OPTICAL NETWORK DESIGN AND MODELING (ONDM 2018) / [ed] Ruffini, M Tzanakaki, A Casellas, R Autenrieth, A MarquezBarja, JM, IEEE , 2018, s. 239-241Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Emerging mobile and cloud applications drive everincreasing capacity demands, particularly for short-reach optical communications, where low-cost and low-power solutions are highly required. Spatial division multiplexing (SDM) techniques provide a promising way to scale up the lane count per fiber, while reducing the number of fiber connections and patch cords, and hence simplifying cabling complexity. This talk will address challenges on both system and network levels, and report our recent development on SDM techniques for optical data center networks.

  • 21.
    Lin, Rui
    et al.
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS.
    Wosinska, Lena
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Scalability Analysis Methodology for Passive OpticalInterconnects in Data Center Networks Using PAM2016Inngår i: IEEE Photonics Journal, ISSN 1097-5764, E-ISSN 1943-0655Artikkel i tidsskrift (Annet vitenskapelig)
  • 22.
    Lu, Yang
    et al.
    KTH.
    Agrell, Erik
    Chalmers Univ Technol, Dept Elect Engn, Gothenburg, Sweden..
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, Oskars
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Hong, Xuezhi
    KTH.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Cheng, Yuxin
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, Gunnar
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Matrix Receiving Scheme Supporting Arbitrary Multiple-Wavelength Reception for Optical Interconnects2017Inngår i: 43RD EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC 2017), IEEE , 2017Konferansepaper (Fagfellevurdert)
    Abstract [en]

    An arbitrary multiple-wavelength reception scheme using only a few fixed-wavelength filters is proposed for optical interconnects. Filter matrices design based on error-control coding theory is devised. The feasibility of the proposed scheme is demonstrated in a four-wavelength reception experiment.

  • 23.
    Lu, Yang
    et al.
    Hangzhou Dianzi Univ, Coll Commun Engn, Hangzhou, Zhejiang, Peoples R China..
    Agrell, Erik
    Chalmers Univ Technol, Dept Elect Engn, Gothenburg, Sweden..
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab). RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Ozolins, Oskars
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Hong, Xuezhi
    South China Normal Univ, ZJU SCNU Joint Res Ctr Photon, Guangzhou 510006, Guangdong, Peoples R China..
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Cheng, Yuxin
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, Gunnar
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Multi-channel collision-free reception for optical interconnects2018Inngår i: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 26, nr 10, s. 13214-13222Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    A multi channel reception scheme that allows each node to receive an arbitrary set of wavelengths simultaneously (i.e., collision-free) is proposed for optical interconnects. The proposed scheme only needs to use a few receivers and fixed-wavelength filters that are designed based on error-control coding theory. Experiments with up to four channel collision-free reception units are carried out to demonstrate the feasibility of the proposed scheme.

  • 24. Ozolins, O.
    et al.
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, A.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Van Kerrebrouck, J.
    Gan, L.
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Tang, M.
    Fu, S.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Westergren, Urban
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    Liu, D.
    Tong, W.
    Torfs, G.
    Bauwelinck, J.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Yin, X.
    7×149 Gbit/s PAM4 transmission over 1 km multicore fiber for short-reach optical interconnects2018Inngår i: Optics InfoBase Conference Papers, Optics Info Base, Optical Society of America, 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We transmit 80 Gbaud/λ/core PAM4 signal enabled by 1.55 μm EML over 1 km 7-core fiber. The solution achieves single-wavelength and single-fiber 1.04 Tbit/s post-FEC transmission enhancing bandwidth-density for short-reach optical interconnects.

  • 25. Ozolins, O.
    et al.
    Udalcovs, A.
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Djupsjöbacka, A.
    Mårtensson, J.
    Fröjdh, K.
    Gan, L.
    Tang, M.
    Fu, S.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Westergren, Urban
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, D.
    Tong, W.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    112 Gbps/λ PAM4 inter-DCI with continuous-fiber Bragg grating based dispersion compensators2018Inngår i: Optics InfoBase Conference Papers, OSA - The Optical Society , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We demonstrate 56 Gbaud/λ PAM4 inter - data center interconnects over 81 km single core single mode fiber and 33.6 km 7-core single mode fiber with continuous-fiber Bragg grating based chromatic dispersion compensators covering C-band.

  • 26.
    Pang, Xiaodan
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, O.
    RISE Acreo AB, NETLAB Networking & Transmiss Lab, Isafjordsgatan 22, S-16440 Kista, Sweden..
    Navarro, Julien R. G.
    Udalcovs, A.
    RISE Acreo AB, NETLAB Networking & Transmiss Lab, Isafjordsgatan 22, S-16440 Kista, Sweden..
    Kakkar, Aditya
    KTH, Skolan för elektroteknik och datavetenskap (EECS).
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik. KTH Royal Inst Technol, Isafjordsgatan 22, S-16440 Kista, Sweden..
    Tang, M.
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Fu, S.
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Liu, D.
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Jacobsen, G.
    RISE Acreo AB, NETLAB Networking & Transmiss Lab, Isafjordsgatan 22, S-16440 Kista, Sweden..
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Low-Complexity Digital Signal Processing Techniques to Enable Coherent Optical Systems for Metro and Access networks2018Inngår i: 23RD OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC2018), IEEE , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We summarize our recent research works on enabling coherent optical transmission systems for metro and access networks with low-complexity digital signal processing techniques, focusing on reduction of laser linewidth requirement with efficient carrier phase recovery.

  • 27.
    Pang, Xiaodan
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Van Kerrebrouck, J.
    Belgium.
    Ozolins, O.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, A.
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Spiga, S.
    Germany.
    Amann, M. C.
    Germany.
    Van Steenberge, G.
    Belgium.
    Gan, L.
    China.
    Tang, M.
    China.
    Fu, S.
    China.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, D.
    China.
    Tong, W.
    China.
    Torfs, G.
    Belgium.
    Bauwelinck, J.
    Belgium.
    Yin, X.
    Belgium.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    7×100 Gbps PAM-4 transmission over 1-km and 10-km single mode 7-core fiber using 1.5-μm SM-VCSEL2018Inngår i: Optics InfoBase Conference Papers, Optical Society of America, 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    100 Gbps/λ/core PAM-4 transmission is successfully demonstrated over 1-km and 10- km single mode 7-core fiber links, enabled by directly modulated 1.5-μm single mode VCSEL of 23 GHz modulation bandwidth with pre- and post- digital equalizations.

  • 28.
    Pang, Xiaodan
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Van Kerrebrouck, J.
    Belgium.
    Ozolins, O.
    Sweden.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, A.
    Sweden.
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Spiga, S.
    Germany.
    Amann, M. C.
    Germany.
    Van Steenberge, G.
    Belgium.
    Gan, L.
    China.
    Tang, M.
    China.
    Fu, S.
    China.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    Sweden.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, D.
    China.
    Tong, W.
    China.
    Torfs, G.
    Belgium.
    Bauwelinck, J.
    Belgium.
    Yin, X.
    Belgium.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    High-speed SDM interconnects with directly-modulated 1.5-μm VCSEL enabled by low-complexity signal processing techniques2018Inngår i: Optics InfoBase Conference Papers, OSA - The Optical Society , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We report on our recent work in supporting up to 100 Gbps/λ/core transmissions with a directly modulated 1.5-μm single mode VCSEL and multicore fiber, enabled by low-compleixty pre- and post- digital equalizations.

  • 29.
    Pang, Xiaodan
    et al.
    KTH. RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Van Kerrebrouck, Joris
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    Ozolins, Oskars
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Lin, Rui
    KTH. Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Udalcovs, Aleksejs
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Zhang, Lu
    KTH.
    Spiga, Silvia
    Tech Univ Munich, Walter Schottky Inst, Garching, Germany..
    Amann, Markus C.
    Tech Univ Munich, Walter Schottky Inst, Garching, Germany..
    Van Steenberge, Geert
    Univ Ghent, Imec, CMST, Ghent, Belgium..
    Gan, Lin
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tang, Ming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Fu, Songnian
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Schatz, Richard
    KTH.
    Jacobsen, Gunnar
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Popov, Sergei
    KTH.
    Liu, Deming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tong, Weijun
    Yangtze Opt Fiber & Cable Joint Stock Ltd Co, Wuhan, Hubei, Peoples R China..
    Torfs, Guy
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    Bauwelinck, Johan
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    Yin, Xin
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    Chen, Jiajia
    KTH.
    7x100 Gbps PAM-4 Transmission over 1-km and 10-km Single Mode 7-core Fiber using 1.5-mu m SM-VCSEL2018Inngår i: 2018 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC), Institute of Electrical and Electronics Engineers (IEEE), 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    100 Gbps/lambda/core PAM-4 transmission is successfully demonstrated over 1-km and 10km single mode 7-core fiber links, enabled by directly modulated 1.5-mu m single mode VCSEL of 23 GHz modulation bandwidth with pre-and post-digital equalizations.

  • 30.
    Pang, Xiaodan
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab). Infinera, Fredsborgsgatan 24, Stockholm, SE-117 43, Sweden.
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, Oskars
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Udalcovs, A.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Schats, Richard
    KTH.
    Xiao, S.
    Hu, W.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, Gunnar
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Chen, Jiajia
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Key technologies to enable terabit-scale digital radio-over-fiber systems2019Inngår i: Broadband Access Communication Technologies XIII, SPIE - International Society for Optical Engineering, 2019, Vol. 10945, artikkel-id 109450EKonferansepaper (Fagfellevurdert)
    Abstract [en]

    With the approach of the 5G era, stringent requirements are imposed on the data transport solutions, including both of the supported transmission reach and the capacity. Radio-over-fiber technologies are considered to be promising candidates to cope with both aspects, owing to the low-loss and broad-bandwidth nature of the optical fibers. Meanwhile with such optical transport solutions, signals can be collected from the distributed remote radio sites and processed in a centralized manner. In this report, we target on the digital radio-over-fiber systems, and discuss about several key technologies, focusing on the aspects of coding and transmission, which could potentially enable terabit-scale data transport.

  • 31. Udalcovs, A.
    et al.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, O.
    Gan, L.
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Pang, X.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Djupsjöbacka, A.
    Tang, M.
    Fu, S.
    Liu, D.
    Tong, W.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Inter-Core Crosstalk in Multicore Fibers: Impact on 56-Gbaud/λ/Core PAM-4 Transmission2018Inngår i: European Conference on Optical Communication, ECOC, Institute of Electrical and Electronics Engineers Inc. , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We experimentally demonstrate the impact of inter-core crosstalk in multicore fibers on 56-Gbaud PAM-4 signal quality after 2.5-km transmission over a weakly-coupled and uncoupled seven-core fibers, revealing the crosstalk dependence on carrier central wavelength in range of 1540-1560 nm.

  • 32.
    Udalcovs, A.
    et al.
    Sweden.
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, O.
    Sweden.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Gan, L.
    China.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Djupsjöbacka, A.
    Sweden.
    Mårtensson, J.
    Sweden.
    Tang, M.
    China.
    Fu, S.
    China.
    Liu, D.
    China.
    Tong, W.
    China.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    Sweden.
    MCF-enabled self-homodyne 16/64QAM transmission for SDM optical access networks2018Inngår i: Optics InfoBase Conference Papers, OSA - The Optical Society , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We experimentally demonstrate a 28-Gbaud circular and square 16/64QAM transmission over a 33.6-km long seven-core fiber with the LO passed through one of the cores for self-homodyne coherent detection employing a low-complexity digital signal processing.

  • 33.
    Van Kerrebrouck, J.
    et al.
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    Zhang, Lijia
    KTH. Shanghai Jiao Tong Univ, SE IEE, Shanghai, Peoples R China..
    Lin, Rui
    KTH.
    Pang, Xiaodan
    KTH. RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Udalcovs, A.
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Ozolins, O.
    RISE Acreo AB, Networking & Transmiss Lab, Kista, Sweden..
    Spiga, S.
    Walter Schottky Inst, Coulombwall 4, Garching, Germany..
    Amann, M. C.
    Walter Schottky Inst, Coulombwall 4, Garching, Germany..
    Van Steenberge, G.
    Univ Ghent, Imec, INTEC, CMST, Ghent, Belgium..
    Gan, L.
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tang, M.
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Fu, S.
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Schatz, Richard
    KTH.
    Popov, Sergei
    KTH.
    Liu, D.
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tong, W.
    Yangtze Opt Fiber & Cable Joint Stock Ltd Co, Wuhan, Hubei, Peoples R China..
    Xiao, S.
    Shanghai Jiao Tong Univ, SE IEE, Shanghai, Peoples R China..
    Torfs, G.
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    Chen, Jiajia
    KTH.
    Bauwelinck, J.
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    Yin, X.
    Univ Ghent, Imec, INTEC, IDLab, Ghent, Belgium..
    726.7-Gb/s 1.5-mu m Single-Mode VCSEL Discrete Multi-Tone Transmission over 2.5-km Multicore Fiber2018Inngår i: 2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings, Institute of Electrical and Electronics Engineers (IEEE), 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    A 107Gb/s net-rate DMT optical signal was generated using a single-mode long-wavelength VCSEL with a modulation bandwidth of 23GHz. We experimentally demonstrated a total net-rate up to 726.7Gb/s at 1.5 mu m over 2.5km 7-core dispersion-uncompensated MCF.

  • 34. Van Kerrebrouck, J.
    et al.
    Zhang, Lu
    KTH, Skolan för informations- och kommunikationsteknik (ICT). Shanghai Jiao Tong University, Shanghai, China.
    Lin, Rui
    KTH, Skolan för informations- och kommunikationsteknik (ICT). uazhong University of Science and Technology, Wuhan, China.
    Pang, Xiaodan
    Networking and Transmission Laboratory, RISE Acreo AB, Kista, Sweden.
    Udalcovs, A.
    Ozolins, O.
    Spiga, S.
    Amann, M. C.
    Van Steenberge, G.
    Gan, L.
    Tang, M.
    Fu, S.
    Schatz, Richard
    KTH, Skolan för informations- och kommunikationsteknik (ICT).
    Popov, Sergei
    KTH, Skolan för informations- och kommunikationsteknik (ICT).
    Liu, D.
    Tong, W.
    Xiao, S.
    Torfs, G.
    Chen, Jia
    KTH, Skolan för informations- och kommunikationsteknik (ICT).
    Bauwelinck, J.
    Yin, X.
    726.7-Gb/s 1.5-μm single-mode VCSEL discrete multi-tone transmission over 2.5-km multicore fiber2018Inngår i: Optics InfoBase Conference Papers, Optics Info Base, Optical Society of America, 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    A 107Gb/s net-rate DMT optical signal was generated using a single-mode longwavelength VCSEL with a modulation bandwidth of 23GHz. We experimentally demonstrated a total net-rate up to 726.7Gb/s at 1.5μm over 2.5km 7-core dispersion-uncompensated MCF.

  • 35.
    Van Kerrebrouck, Joris
    et al.
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, Oskars
    RISE Acreo AB, NETLAB, S-16425 Kista, Sweden..
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    RISE Acreo AB, NETLAB, S-16425 Kista, Sweden..
    Zhang, Lu
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Li, Haolin
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Spiga, Silvia
    Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany..
    Amann, Markus-Christian
    Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany..
    Gan, Lin
    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China..
    Tang, Ming
    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China..
    Fu, Songnian
    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China..
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, Gunnar
    RISE Acreo AB, NETLAB, S-16425 Kista, Sweden..
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, Deming
    Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China..
    Tong, Weijun
    Yangtze Opt Fibre & Cable Co Ltd, Wuhan 430073, Hubei, Peoples R China..
    Torfs, Guy
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Bauwelinck, Johan
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Yin, Xin
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    High-Speed PAM4-Based Optical SDM Interconnects With Directly Modulated Long-Wavelength VCSEL2019Inngår i: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 37, nr 2, s. 356-362Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper reports the demonstration of high-speed PAM-4 transmission using a 1.5-mu m single-mode vertical cavity surface emitting laser (SM-VCSEL) over multicore fiber with 7 cores over different distances. We have successfully generated up to 70 Gbaud 4-level pulse amplitude modulation (PAM-4) signals with a VCSEL in optical back-to-back, and transmitted 50 Gbaud PAM-4 signals over both 1-km dispersion-uncompensated and 10-km dispersion-compensated in each core, enabling a total data throughput of 700 Gbps over the 7-core fiber. Moreover, 56 Gbaud PAM-4 over 1-km have also been shown, whereby unfortunately not all cores provide the required 3.8 x 10(-3) bit error rate (BER) for the 7% overhead-hard decision forward error correction (7% OH-HDFEC). The limited bandwidth of the VCSEL and the adverse chromatic dispersion of the fiber are suppressed with preequalization based on accurate end-to-end channel characterizations. With a digital postequalization, BER performance below the 7% OH-HDFEC limit is achieved over all cores. The demonstrated results show a great potential to realize high-capacity and compact short-reach optical interconnects for data centers.

  • 36. Verplaetse, Michiel
    et al.
    Lin, Rui
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Van Kerrebrouck, Joris
    Ozolins, Oskars
    De Keulenaer, Timothy
    Pang, Xiaodan
    Pierco, Ramses
    Vaernewyck, Renato
    Vyncke, Arno
    Schatz, Richard
    KTH, Skolan för informations- och kommunikationsteknik (ICT).
    Westergren, Urban
    KTH, Skolan för informations- och kommunikationsteknik (ICT).
    Jacobsen, Gunnar
    KTH, Skolan för informations- och kommunikationsteknik (ICT). Acreo Swedish ICT AB, Sweden.
    Popov, Sergei
    KTH, Skolan för informations- och kommunikationsteknik (ICT).
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Torfs, Guy
    Bauwelinck, Johan
    Yin, Xin
    Real-Time 100 Gb/s Transmission Using Three-Level Electrical Duobinary Modulation for Short-Reach Optical Interconnects2017Inngår i: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 35, nr 7, s. 1313-1319Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Electrical duobinary modulation is considered as a promising way to realize high capacity because of the low bandwidth requirement on the optical/electrical components and high tolerance toward chromatic dispersion. In this paper, we demonstrate a 100 Gb/s electrical duobinary transmission over 2 km standard single-mode fiber reaching a bit error rate under 7% HD-FEC threshold with the use of PRBS7. This link is tested in real-time without any form of digital signal processing. In-house developed SiGe BiCMOS transmitter and receiver ICs are used to drive an electroabsorption modulated laser and decode the received signal from a PIN-photodiode. The performance of 50 and 70 Gb/s nonreturn-to-zero and electrical duobinary transmission are investigated for comparison.

  • 37.
    Wosinska, Lena
    et al.
    KTH.
    Lin, Rui
    KTH.
    Cheng, Yuxin
    KTH.
    Chen, Jiajia
    KTH.
    Optical Network Architectures and Technologies for Datacenters2017Inngår i: 2017 IEEE PHOTONICS SOCIETY SUMMER TOPICAL MEETING SERIES (SUM), IEEE , 2017, s. 111-112, artikkel-id 8012675Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The paper highlights the challenges related to the increasing importance of datacenter services, leading to dramatically growing datacenter traffic. The advantages of using photonic technology in intra-datacenter networks are discussed and a cross-layer view for network architecture design is presented.

  • 38. Yin, X.
    et al.
    Verplaetse, M.
    Lin, Rui
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS.
    Van Kerrebrouck, J.
    Ozolins, O.
    De Keulenaer, T.
    Pang, Xiaodan
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab). RISE ACREO AB.
    Pierco, R.
    Vyncke, A.
    Schatz, Richard
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Fotonik och mikrovågsteknik, FMI.
    Westergren, Urban
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Fotonik och mikrovågsteknik, FMI.
    Jacobsen, Gunnar
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Fotonik och mikrovågsteknik, FMI. Acreo.
    Popov, Sergei
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Optik och Fotonik, OFO.
    Chen, Jiajia
    KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Torfs, G.
    Bauwelinck, J.
    First Demonstration of Real-Time 100 Gbit/s 3-level Duobinary Transmission for Optical Interconnects2016Inngår i: ECOC 2016 - Post Deadline Paper; 42nd European Conference on Optical Communication; Proceedings, 2016Konferansepaper (Fagfellevurdert)
  • 39.
    Zhang, Lu
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, O.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Gan, L.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Djupsjobacka, A.
    Martensson, J.
    Westergren, Urban
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Tang, M.
    Fu, S.
    Liu, D.
    Tong, W.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    Hu, W.
    Xiao, S.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Kernel Adaptive Filtering for Nonlinearity-Tolerant Optical Direct Detection Systems2018Inngår i: European Conference on Optical Communication, ECOC, Institute of Electrical and Electronics Engineers Inc. , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Kernel adaptive filtering (KAF) is proposed for nonlinearity-tolerant optical direct detection. for 7× 128 Gbit/s PAM4 transmission over 33.6km 7-core-fiber, KAF only needs 10 equalizer taps to reach KP4-FEC limit (BER@2.2e-4), whereas decision-feedback-equalizer needs 43 equalizer taps to reach HD-FEC limit (BER@3.8e-3).

  • 40.
    Zhang, Lu
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Datavetenskap, Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Datavetenskap, Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, Oskars
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Datavetenskap, Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Gan, L.
    Schatz, Richard
    Djupsjöbacka, A.
    Mårtensson, J.
    Tang, M.
    Fu, S.
    Liu, D.
    Tong, W.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, Gunnar
    Hu, W.
    Xiao, S.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Datavetenskap, Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Digital Radio-Over-Multicore-Fiber System with Self-Homodyne Coherent Detection and Entropy Coding for Mobile Fronthaul2018Inngår i: European Conference on Optical Communication, ECOC, Institute of Electrical and Electronics Engineers Inc. , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We experimentally demonstrate a 28-Gbaud 16-QAM self-homodyne digital radio-over-33.6km-7-core-fiber system with entropy coding for mobile fronthaul, achieving error-free carrier aggregation of 330 100-MHz 4096-QAM 5G-new-radio channels and 921 100-MHz QPSK 5G-new-radio channels with CPRI-equivalent data rate up to 3.73-Tbit/s.

  • 41.
    Zhang, Lu
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    RISE Res Inst Sweden AB, Gothenburg, Sweden..
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Ozolins, Oskars
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Pang, Xiaodan
    Infinera Metro HW R&D, Stockholm, Sweden..
    Gan, Lin
    HUST, Next Generat Internet Access Syst Not Engn Lab, Wuhan, Hubei, Peoples R China..
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Tang, Ming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Fu, Songnian
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Liu, Deming
    Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China..
    Tong, Weijun
    Yangtze Opt Fibre & Cable Joint Stock Ltd Co, Speical Bussiness Unit, Wuhan, Hubei, Peoples R China..
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, Gunnar
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Hu, Weisheng
    Shanghai Jiao Tong Univ, Shanghai, Peoples R China..
    Xiao, Shilin
    Shanghai Jiao Tong Univ, Shanghai, Peoples R China..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Toward Terabit Digital Radio over Fiber Systems: Architecture and Key Technologies2019Inngår i: IEEE Communications Magazine, ISSN 0163-6804, E-ISSN 1558-1896, Vol. 57, nr 4, s. 131-137Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    To support massive deployment of broadband radio applications, such as 5G and high-definition videos for terrestrial televisions, large system capacity and high spectrum efficiency are highly demanded in radio over fiber (RoF) systems. In this article, we propose a terabit digital RoF system capable of providing high-speed transmission, where multicore fiber (MCF) is introduced for the access segment between the central unit and remote unit. Two key technologies that greatly enhance system capacity and spectrum efficiency, namely MCF enabled self-homodyne detection and compressed quantization, are demonstrated.

  • 42.
    Zhang, Lu
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Van Kerrebrouck, J.
    Ozolins, O.
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, A.
    Spiga, S.
    Amann, M. C.
    Gan, L.
    Tang, M.
    Fu, S.
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Jacobsen, G.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, D.
    Tong, W.
    Torfs, G.
    Bauwelinck, J.
    Yin, X.
    Xiao, S.
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Experimental Demonstration of 503.61-Gbit/s DMT over 10-km 7-Core Fiber with 1.5μm SM-VCSEL for Optical Interconnects2018Inngår i: European Conference on Optical Communication, ECOC, Institute of Electrical and Electronics Engineers Inc. , 2018Konferansepaper (Fagfellevurdert)
    Abstract [en]

    We experimentally demonstrate a net-rate 503.61-Gbit/s discrete multitone (DMT) transmission over 10-km 7-core fiber with 1.5μm single mode VCSEL, where low-complexity kernel-recursive-least-squares algorithm is employed for nonlinear channel equalization.

  • 43.
    Zhang, Lu
    et al.
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Van Kerrebrouck, Joris
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Lin, Rui
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Pang, Xiaodan
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Udalcovs, Aleksejs
    RISE Acreo AB, NETLAB, SE-16425 Kista, Sweden..
    Ozolins, Oskars
    RISE Acreo AB, NETLAB, SE-16425 Kista, Sweden..
    Spiga, Silvia
    Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany..
    Amann, Markus-Christian
    Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany..
    Van Steenberge, Geert
    Univ Ghent, IMEC, Ctr Microsyst Technol, B-9052 Ghent, Belgium..
    Gan, Lin
    Huazhong Univ Sci & Technol, WNLO, Wuhan 430074, Hubei, Peoples R China..
    Tang, Ming
    Huazhong Univ Sci & Technol, WNLO, Wuhan 430074, Hubei, Peoples R China..
    Fu, Songnian
    Huazhong Univ Sci & Technol, WNLO, Wuhan 430074, Hubei, Peoples R China..
    Schatz, Richard
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Popov, Sergei
    KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Fotonik.
    Liu, Deming
    Huazhong Univ Sci & Technol, WNLO, Wuhan 430074, Hubei, Peoples R China..
    Tong, Weijun
    Yangtze Opt Fibre & Cable Co Ltd YOFC, Wuhan 430073, Hubei, Peoples R China..
    Xiao, Shilin
    Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China..
    Torfs, Guy
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Chen, Jiajia
    KTH, Skolan för elektroteknik och datavetenskap (EECS), Kommunikationssystem, CoS, Optical Network Laboratory (ON Lab).
    Bauwelinck, Johan
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Yin, Xin
    Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium..
    Nonlinearity Tolerant High-Speed DMT Transmission With 1.5-mu m Single-Mode VCSEL and Multi-Core Fibers for Optical Interconnects2019Inngår i: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 37, nr 2, s. 380-388Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    We experimentally demonstrate the generation of 107-Gbit/s net-rate optical discrete multitone signal using a 1.5-mu m single-mode vertical cavity surface emitting laser (VCSEL) with modulation bandwidth of 22 GHz. Utilizing a nonlinearity-tolerant channel equalization algorithm for digital signal processing, total net-rates of 726.6-Gbit/s over 2.5-km dispersion-uncompensated 7-core fiber and 533.1-Gbit/s over 10-km dispersion-compensated 7-core fiber below 7% overhead hard-decision forward error correction limit have been experimentally achieved with a 1.5-mu m VCSEL-based intensity-modulation direct-detection system. The features of the 1.5-mu m single-mode VCSEL, 2.5-km/10km multi-core fibers, and fan-in/fan-out modules are presented. Besides, the Volterra series-based nonlinearity-tolerant channel equalization algorithm, which improves the signal-to-noise ratio with more than 5 dB, is mathematically described and experimentally validated. The results have demonstrated that 1.5-mu m single-mode VCSEL and multi-core-fiber-based transmission can be a promising candidate to solve the capacity challenges in short-reach optical interconnects.

1 - 43 of 43
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