相干光纤传输系统中非线性相位噪声对幅相信道 OFDM 信号的影响

IF 0.5 Q4 PHYSICS, MULTIDISCIPLINARY

Optoelectronics Instrumentation and Data Processing Pub Date : 2024-03-08 DOI:10.3103/s8756699023050114

V. A. Vardanyan

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引用次数: 0

摘要

摘要研究了 OFDM 信号的相干光纤传输系统。信道采用频谱效率高的调制格式（QPSK 和 M-QAM）。研究了光纤中产生的非线性相位噪声对信道信号的影响。研究表明，光路中出现的非线性相位噪声会转化为振幅噪声，并与光放大器的噪声混合，导致信号品质因数下降。文中给出了通过计算 Q 因子来确定信道信号抗噪声能力的估算公式。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The Influence of Nonlinear Phase Noise on Amplitude-Phase Channel OFDM Signals in Coherent Fiber-Optic Transmission Systems

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The Influence of Nonlinear Phase Noise on Amplitude-Phase Channel OFDM Signals in Coherent Fiber-Optic Transmission Systems

Abstract

A coherent fiber-optic transmission systems of OFDM signals is considered. The channels are formed using spectral-efficient modulation formats (QPSK and M-QAM). The influence of nonlinear phase noise arising in an optical fiber on channel signals is studied. It is shown that nonlinear phase noise appearing in the optical path is converted into amplitude noise and, mixing with the noise of optical amplifiers, leads to a decrease in the signal quality factor. Estimation formulas for determining the noise immunity of channel signals by calculating the Q-factor are given.

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来源期刊

Optoelectronics Instrumentation and Data Processing PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

50.00%

发文量

期刊介绍： The scope of Optoelectronics, Instrumentation and Data Processing encompasses, but is not restricted to, the following areas: analysis and synthesis of signals and images; artificial intelligence methods; automated measurement systems; physicotechnical foundations of micro- and optoelectronics; optical information technologies; systems and components; modelling in physicotechnical research; laser physics applications; computer networks and data transmission systems. The journal publishes original papers, reviews, and short communications in order to provide the widest possible coverage of latest research and development in its chosen field.