CN109891779A - 一种光信号调制方法及相干光收发机 - Google Patents

一种光信号调制方法及相干光收发机 Download PDF

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Publication number
CN109891779A
CN109891779A CN201680090393.7A CN201680090393A CN109891779A CN 109891779 A CN109891779 A CN 109891779A CN 201680090393 A CN201680090393 A CN 201680090393A CN 109891779 A CN109891779 A CN 109891779A
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signal
photon
photon signal
polarization state
optical transceiver
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CN109891779B (zh
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周谞
邓宁
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

本发明实施例提供一种光信号调制方法及相干光收发机，涉及光通信领域，能够在不影响光交换系统频谱效率的情况下，消除镜像信号带来的拍频噪声，提高了光子信号的传输性能。该光信号调制方法包括：相干光收发机获取第一目标光子信号和第二目标光子信号，其中，第一目标光子信号和第二目标光子信号分别位于以光载波为中心对称频率位置；相干光收发机将第一目标光子信号调制在第一偏振态上，并将第二目标光子信号调制在第二偏振态上；其中，第一偏振态与第二偏振态相互正交。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN201680090393.7A 2016-10-31 2016-10-31 一种光信号调制方法及相干光收发机 Active CN109891779B (zh)

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PCT/CN2016/104147 WO2018076383A1 (zh) 2016-10-31 2016-10-31 一种光信号调制方法及相干光收发机

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CN109891779A true CN109891779A (zh) 2019-06-14
CN109891779B CN109891779B (zh) 2020-11-06

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101729187A (zh) * 2008-10-24 2010-06-09 华为技术有限公司 一种光信号传输处理方法、发送装置及系统
US20120251110A1 (en) * 2011-03-31 2012-10-04 Nec Laboratories America, Inc. Computationally-efficient equalization in polmux ofdm transmission with direct-detection via joint transmitter and receiver processing
CN105162518A (zh) * 2015-09-11 2015-12-16 苏州卓鼎信息技术有限公司 一种基于偏振复用的远距离高速可见光通信方法
CN105635023A (zh) * 2016-01-06 2016-06-01 北京邮电大学 用于信号间拍频干扰抑制的信号传输方法、设备及系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101729187A (zh) * 2008-10-24 2010-06-09 华为技术有限公司 一种光信号传输处理方法、发送装置及系统
US20120251110A1 (en) * 2011-03-31 2012-10-04 Nec Laboratories America, Inc. Computationally-efficient equalization in polmux ofdm transmission with direct-detection via joint transmitter and receiver processing
CN105162518A (zh) * 2015-09-11 2015-12-16 苏州卓鼎信息技术有限公司 一种基于偏振复用的远距离高速可见光通信方法
CN105635023A (zh) * 2016-01-06 2016-06-01 北京邮电大学 用于信号间拍频干扰抑制的信号传输方法、设备及系统

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Publication number Publication date
CN109891779B (zh) 2020-11-06
WO2018076383A1 (zh) 2018-05-03

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