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112-Gbit/s PDM-PAM4 transmission over 80-km SMF using digital coherent detection without optical amplifier

  • Xian Zhou
  • , Kangping Zhong
  • , Jiahao Huo
  • , Yiguang Wang
  • , Liang Wang
  • , Jiajing Tu
  • , Yanfu Yang
  • , Lei Gao
  • , Li Zeng
  • , Changyuan Yu
  • , Alan Pak Tao Lau
  • , Chao Lu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this work, we experimentally demonstrated a 112 Gbit/s polarization-division-multiplexed (PDM) four-level pulse amplitude modulation (PAM4) transmission over 80-km single mode fiber (SMF) using digital coherent detection without optical amplifier and CD compensation for the short reach applications. Here, a signal-phase aided least-mean-square (SP-LMS) equalization algorithm is proposed to avoid the effects of carrier frequency offset and phase noise. Without additional carrier recovery algorithms, the PDM-PAM4 system shows good transmission performance. The received optical power (ROP) penalty is only about 0.2 dB after 80 km transmission comparing to back-to-back (BTB) transmission. A receiver sensitivity of -20dBm (at 7% FEC limit) can be reached after 80-km transmission.

Original languageEnglish
Title of host publication2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509025268
DOIs
StatePublished - 21 Sep 2016
Externally publishedYes
Event10th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2016 - Prague, Czech Republic
Duration: 20 Jul 201623 Jul 2016

Publication series

Name2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2016

Conference

Conference10th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2016
Country/TerritoryCzech Republic
CityPrague
Period20/07/1623/07/16

Keywords

  • coherent detection
  • equalization
  • polarization-division-multiplexing
  • pulse amplitude modulation
  • short reach systems

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