Precise and Wideband Compensation of Inter-Channel Cross-Phase Modulation Noise in WDM Coherent Transmission Using Injection Locking

We demonstrate the precise compensation of inter-channel XPM based on injection locking. The BERs improved from 5x10 -3 to 2x10 -3 in a 60-ch, 3 Gbaud PDM-256 QAM-160 km transmission with a spectral efficiency of 10.3 bit/s/Hz.

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Bibliographic Details
Main Authors: Kan, Takashi, Sato, Kozo, Yoshida, Masato, Kasai, Keisuke, Hirooka, Toshihiko, Nakazawa, Masataka
Format: Conference Proceeding
Language:English
Subjects:
injection locking
Injection-locked oscillators
Modulation
nonlinear compensation
Optical filters
Phase noise
Quadrature amplitude modulation
Wavelength division multiplexing
WDM
Wideband
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Description
Summary:We demonstrate the precise compensation of inter-channel XPM based on injection locking. The BERs improved from 5x10 -3 to 2x10 -3 in a 60-ch, 3 Gbaud PDM-256 QAM-160 km transmission with a spectral efficiency of 10.3 bit/s/Hz.
ISSN:2166-8892
DOI:10.1109/OECC48412.2020.9273733