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has been cited by the following article:

• TITLE: Nonlinear Phase Noise Estimate Based on Electronic Orthogonal Coherent for 112 Gb/s PDM-4QAM System

  AUTHORS: Baocun Wang, Bin Li, Fengguang Luo, Benxiong Huang, Ming Tian, Xuecheng Zou

  KEYWORDS: Joint Phase Noise Estimate, Fiber Nonlinearity, PDM-4QAM, Optimum Launch Power, Phase Noise Compensation

  JOURNAL NAME: Optics and Photonics Journal, Vol.4 No.11, November 27, 2014

  ABSTRACT: In this paper, we proposed a novel method of joint phase noise estimate (JPNE) for PDM-M-QAM (M = 4, 16, 32, 64, …) transmission systems, and established the theoretical model to illustrate the operation mechanism. The simulation of laser phase noise and fiber nonlinearity compensation based on the proposed JPNE method had also been demonstrated. For 112 Gb/s PDM-4QAM transmission system, the simulation results had showed that the optimum launch power increased from -4 dBm to at least 0 dBm compared with the condition of no phase noise compensation in reach of all simulation distances.