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IEICE TRANSACTIONS on Communications

Nonlinear Phase-Shift Cancellation by Taking the Geometric Mean of WDM-Signal Phase-Conjugate Pair

Takahisa KODAMA, Akira MIZUTORI, Takayuki KOBAYASHI, Takayuki MIZUNO, Masafumi KOGA

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Summary :

This paper investigates approaches that can cancel nonlinear phase noise effectively for the phase-conjugate pair diversity transmission of 16-QAM WDM signals through multi-core fiber. The geometric mean is introduced for the combination of the phase-conjugate pair. A numerical simulation suggests that span-by-span chromatic dispersion compensation is more effective at cancelling phase noise in long distance transmission than lumped compensation at the receiver. Simulations suggest the span-wise compensation described herein yields Q-value enhancement of 7.8 and 6.8dB for CD values of 10 and 20.6ps/nm/km, respectively, whereas the lumped compensation equivalent attains only 3.5dB. A 1050km recirculating loop experiment confirmed a Q-value enhancement of 4.1dB for 20.6ps/nm/km, span-wise compensation transmission.

Publication
IEICE TRANSACTIONS on Communications Vol.E101-B No.8 pp.1845-1852
Publication Date
2018/08/01
Publicized
2018/02/09
Online ISSN
1745-1345
DOI
10.1587/transcom.2017EBP3351
Type of Manuscript
PAPER
Category
Transmission Systems and Transmission Equipment for Communications

Authors

Takahisa KODAMA
  Oita University
Akira MIZUTORI
  Oita University
Takayuki KOBAYASHI
  NTT Corporation
Takayuki MIZUNO
  NTT Corporation
Masafumi KOGA
  Oita University

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