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An Ultra-dense Optical Comb Based DWDM-OFDM-PON System
KTH.
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2014 (English)Conference paper, Published paper (Refereed)
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.

Place, publisher, year, edition, pages
Electromagnetics Academy , 2014. 699-702 p.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-196567Scopus ID: 2-s2.0-84911211447OAI: oai:DiVA.org:kth-196567DiVA: diva2:1047156
Conference
Progress In Electromagnetics Research Symposium Proceedings
Note

QC 20161206

Available from: 2016-11-16 Created: 2016-11-16 Last updated: 2016-12-06Bibliographically approved

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Lin, RuiChen, Jiajia
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KTHOptical Network Laboratory (ON Lab)
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