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

被引：1

作者：

Vardanyan, V. A. ^{[1
]}

机构：

[1] Siberian State Univ Telecommun & Informat Sci, Novosibirsk 630102, Russia

来源：

OPTOELECTRONICS INSTRUMENTATION AND DATA PROCESSING | 2023年 / 59卷 / 05期

关键词：

fiber-optic transmission systems (FOTS); QPSK; M-QAM; OFDM; self-phase modulation; cross-phase modulation; Q-factor; OPTICAL OFDM; COMPENSATION; INTERFERENCE;

D O I：

10.3103/S8756699023050114

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：635 / 645

页数：11

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