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Nonlinearity-aware 200 Gbit/s DMT transmission for C-band short-reach optical interconnects with a single packaged electro-absorption modulated laser
KTH, School of Information and Communication Technology (ICT). State Key Laboratory of Advanced Optical Communication System and Networks, Shanghai Jiao Tong University, Shanghai 200240, China.
KTH, School of Information and Communication Technology (ICT). MOE International Laboratory for Optical Information Technologies, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China.
KTH, School of Information and Communication Technology (ICT). Networking and Transmission Laboratory, RISE Acreo AB, Kista 16425, Sweden.
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2018 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 43, no 2, p. 182-185Article in journal (Refereed) Published
Abstract [en]

We experimentally demonstrate the transmission of a 200 Gbit/s discrete multitone (DMT) at the soft forward error correction limit in an intensity-modulation directdetection system with a single C-band packaged distributed feedback laser and traveling-wave electro absorption modulator (DFB-TWEAM), digital-to-analog converter and photodiode. The bit-power loaded DMT signal is transmitted over 1.6 km standard single-mode fiber with a net rate of 166.7 Gbit/s, achieving an effective electrical spectrum efficiency of 4.93 bit/s/Hz. Meanwhile, net rates of 174.2 Gbit/s and 179.5 Gbit/s are also demonstrated over 0.8 km SSMF and in an optical back-to-back case, respectively. The feature of the packaged DFB-TWEAM is presented. The nonlinearity-aware digital signal processing algorithm for channel equalization is mathematically described, which improves the signal-to-noise ratio up to 3.5 dB. 

Place, publisher, year, edition, pages
OPTICAL SOC AMER , 2018. Vol. 43, no 2, p. 182-185
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Physical Sciences
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URN: urn:nbn:se:kth:diva-221927DOI: 10.1364/OL.43.000182ISI: 000422801600005PubMedID: 29328233Scopus ID: 2-s2.0-85040313909OAI: oai:DiVA.org:kth-221927DiVA, id: diva2:1178629
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QC 20180130

Available from: 2018-01-30 Created: 2018-01-30 Last updated: 2018-02-02Bibliographically approved

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Pang, XiaodanSchatz, RichardPopov, SergeiChen, Jiajia

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Zhang, LuHong, XuezhiPang, XiaodanSchatz, RichardWestergren, UrbanPopov, SergeiChen, Jiajia
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School of Information and Communication Technology (ICT)Optics and Photonics, OFOOptical Network Laboratory (ON Lab)
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