scholarly journals Parametric-gain approach to the analysis of single-channel DPSK/DQPSK systems with nonlinear phase noise

2006 ◽  
Vol 24 (5) ◽  
pp. 2026-2037 ◽  
Author(s):  
P. Serena ◽  
A. Orlandini ◽  
A. Bononi
Keyword(s):  
Phase Noise ◽  
Single Channel ◽  
Parametric Gain ◽  
Nonlinear Phase

scholarly journals Mitigation of Nonlinear Phase Noise in Single-channel Coherent 16-QAM Systems Employing Logistic Regression

2021 ◽  
Author(s):  
Romulo de Paula ◽  
Lucas Marim ◽  
Rafael Penchel ◽  
Yessica Rumaldo Bustamante ◽  
Marcelo Francisco Luis Abbade ◽  
...  
Keyword(s):  
Logistic Regression ◽  
Phase Noise ◽  
Phase Modulation ◽  
Performance Enhancement ◽  
Single Channel ◽  
Nonlinear Phase ◽  
Error Ratio ◽  
Bit Error Ratio ◽  
The Impact ◽  
System Operating

Abstract We propose and analyze a classier based on logistic regression (LR) to mitigate the impact of nonlinear phase noise (NPN) caused by Kerr induced self-phase-modulation in digital coherent systems with single-channel unrepeated links. Simulation results reveal that the proposed approach reduces the bit error ratio (BER) in a 100-km-long 16 quadrature amplitude modulation (16-QAM) system operating at 56-Gbps. Thus, the BER is reduced from 6.88·10 -4 when using maximum likelihood to 4.27·10 -4 after applying the LR-based classification, representing an increase of 0.36 dB in the effective Q-factor. This performance enhancement is achieved with only 624 operations per symbol, which can be easily parallelized into 16 lines of 39 operations.

scholarly journals Mitigation of nonlinear phase noise in single-channel coherent 16-QAM systems employing logistic regression

2021 ◽  
Vol 53 (9) ◽  
Author(s):  
Rômulo A. de Paula ◽  
Lucas Marim ◽  
Rafael A. Penchel ◽  
Yésica R. R. Bustamante ◽  
Marcelo L. F. Abbade ◽  
...  
Keyword(s):  
Logistic Regression ◽  
Phase Noise ◽  
Single Channel ◽  
Nonlinear Phase

Compensation of Nonlinear Phase Noise Using the Effective Negative Nonlinearity of a Nonlinear Amplifying Loop Mirror

2012 ◽  
Vol 18 (2) ◽  
pp. 637-645 ◽  
Author(s):  
Klaus Sponsel ◽  
Christian Stephan ◽  
Georgy Onishchukov ◽  
Bernhard Schmauss ◽  
Gerd Leuchs
Keyword(s):  
Phase Noise ◽  
Nonlinear Phase ◽  
Loop Mirror ◽  
Nonlinear Amplifying Loop Mirror

scholarly journals Nonlinear Phase Noise Estimate Based on Electronic Orthogonal Coherent for 112 Gb/s PDM-4QAM System

2014 ◽  
Vol 04 (11) ◽  
pp. 316-324
Author(s):  
Baocun Wang ◽  
Bin Li ◽  
Fengguang Luo ◽  
Benxiong Huang ◽  
Ming Tian ◽  
...  
Keyword(s):  
Phase Noise ◽  
Noise Estimate ◽  
Nonlinear Phase
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