CN110431765A - 发送设备、接收设备、光传输系统、光功率控制方法 - Google Patents

发送设备、接收设备、光传输系统、光功率控制方法 Download PDF

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CN110431765A
CN110431765A CN201780088525.7A CN201780088525A CN110431765A CN 110431765 A CN110431765 A CN 110431765A CN 201780088525 A CN201780088525 A CN 201780088525A CN 110431765 A CN110431765 A CN 110431765A
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light waves
detection light
power
wave
detection
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CN110431765B (zh
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邓彬林
李杨
严晖
王元武
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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
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2537—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to scattering processes, e.g. Raman or Brillouin scattering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04B10/50—Transmitters
    • H04B10/564—Power control

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)

Abstract

本申请提供了一种发送设备、接收设备、光传输系统、光功率控制方法，涉及光通信技术领域，该发送设备包括：合波单元和光功率调整单元；合波单元，用于向光纤通道发送至少两个通信光波，还用于通过光纤通道发送或接收至少两个检测光波；光功率调整单元，用于获取功率控制指令，功率控制指令是根据至少两个检测光波之间的功率变化信息所生成的；根据功率控制指令对至少两个通信光波中的至少一个通信光波进行光功率放大和/或衰减。本申请通过至少两个检测光波之间的功率变化信息，能够快速检测出SRS效应对通信光波的光功率的影响，使得光功率调整单元根据功率控制指令动态调整通信光波的光功率，减少或消除SRS效应对光功率的影响。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201780088525.7A 2017-04-11 2017-04-11 发送设备、接收设备、光传输系统、光功率控制方法 Active CN110431765B (zh)

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PCT/CN2017/080027 WO2018187930A1 (zh) 2017-04-11 2017-04-11 发送设备、接收设备、光传输系统、光功率控制方法

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EP (1) EP3591862B1 (zh)
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Cited By (3)

* Cited by examiner, † Cited by third party
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CN114124287A (zh) * 2020-08-31 2022-03-01 华为技术有限公司 光信号控制方法及装置、光传输节点和光传输系统
WO2022199273A1 (zh) * 2021-03-26 2022-09-29 华为技术有限公司 校正系数确定方法、装置及光通信系统
CN116488730A (zh) * 2023-06-25 2023-07-25 广东电网有限责任公司广州供电局 光信号功率控制的光纤传输系统

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EP4027540B1 (en) * 2019-10-31 2024-01-24 Huawei Technologies Co., Ltd. Method for determining optical signal power change and power calculation device
CN114355514A (zh) 2020-10-13 2022-04-15 华为技术有限公司 光交换的方法和装置、硅基液晶和波长选择开关
US11536916B1 (en) * 2021-05-10 2022-12-27 Amazon Technologies, Inc. Pathloss optimization for optical systems
WO2024064300A1 (en) * 2022-09-23 2024-03-28 Ip Infusion, Inc. Systems and methods for coupling optical networks

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JP5541004B2 (ja) * 2010-08-27 2014-07-09 沖電気工業株式会社 量子鍵配送方法及び量子鍵配送システム
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0994583A1 (en) * 1998-10-13 2000-04-19 Lucent Technologies Inc. Method and apparatus for controlling the optical power of an optical transmission signal
US6885499B1 (en) * 1999-08-12 2005-04-26 Fujitsu Limited Optical amplifying apparatus for amplifying wide-wavelength-band light, optical sending apparatus, optical transmission system, and optical amplifying method
EP1137129A2 (en) * 2000-03-15 2001-09-26 Nec Corporation Optical gain equalizer and optical gain equalizing method
CN1482757A (zh) * 2002-09-12 2004-03-17 深圳市中兴通讯股份有限公司 多泵浦拉曼放大器增益谱平均斜率的调节装置和方法
CN1506740A (zh) * 2002-12-07 2004-06-23 三星电子株式会社 具有自动功率控制功能的光纤放大器及自动功率控制方法
CN1741325A (zh) * 2004-08-26 2006-03-01 富士通株式会社 光放大装置、拉曼放大器、光波分复用传输系统及方法
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114124287A (zh) * 2020-08-31 2022-03-01 华为技术有限公司 光信号控制方法及装置、光传输节点和光传输系统
WO2022199273A1 (zh) * 2021-03-26 2022-09-29 华为技术有限公司 校正系数确定方法、装置及光通信系统
CN116488730A (zh) * 2023-06-25 2023-07-25 广东电网有限责任公司广州供电局 光信号功率控制的光纤传输系统

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US20200044766A1 (en) 2020-02-06
US11323199B2 (en) 2022-05-03
WO2018187930A1 (zh) 2018-10-18
EP3591862A1 (en) 2020-01-08
CN110431765B (zh) 2020-12-25
EP3591862A4 (en) 2020-03-25
EP3591862B1 (en) 2024-04-17

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