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<p>A variety of parameters have a significant influence on the Wavelength Division Multiplexing (WDM) system’s performance in fiber optic communication. When an optical signal travels through a fiber, it is subjected to linear and nonlinear degradation effects. In this work, we provide a collection of investigations for Optical Phase Conjugation OPC-compensation of signal distortions in transmission systems, utilizing Return-to-Zero Duobinary Modulation (RZ-DB). Single channel and 8-channel WDM light wave systems with data rates of 100 Gb/s, channel spacing of 100&#xa0;GHz and transmission distance of 360&#xa0;km have been designed and simulated. Nonlinear impairments affect fiber optic data transmission quality of transmission (QoT) in a nondeterministic and partially controllable way. Bit Error Rate (BER), eye-opening graphic, and quality factor (Q-factor) have been used to evaluate the performance. The system is simulated using Optisystem simulator version-17. The light wave system using RZ-DB format with mid-link OPC is found to have good performance, higher nonlinearity tolerance and higher dispersion tolerance.</p>

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Distortion reduction in WDM systems using optical phase conjugation

  • 期刊论文

  • 发表日期：

    2025年3月24日

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  • Riyam S. Ali,
  • Ahmed H. Abbas,
  • Atheer A. Sabri

摘要

A variety of parameters have a significant influence on the Wavelength Division Multiplexing (WDM) system’s performance in fiber optic communication. When an optical signal travels through a fiber, it is subjected to linear and nonlinear degradation effects. In this work, we provide a collection of investigations for Optical Phase Conjugation OPC-compensation of signal distortions in transmission systems, utilizing Return-to-Zero Duobinary Modulation (RZ-DB). Single channel and 8-channel WDM light wave systems with data rates of 100 Gb/s, channel spacing of 100 GHz and transmission distance of 360 km have been designed and simulated. Nonlinear impairments affect fiber optic data transmission quality of transmission (QoT) in a nondeterministic and partially controllable way. Bit Error Rate (BER), eye-opening graphic, and quality factor (Q-factor) have been used to evaluate the performance. The system is simulated using Optisystem simulator version-17. The light wave system using RZ-DB format with mid-link OPC is found to have good performance, higher nonlinearity tolerance and higher dispersion tolerance.