CN112042135A - 海底网络设备和海缆系统 - Google Patents

海底网络设备和海缆系统 Download PDF

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Publication number
CN112042135A
CN112042135A CN201980028777.XA CN201980028777A CN112042135A CN 112042135 A CN112042135 A CN 112042135A CN 201980028777 A CN201980028777 A CN 201980028777A CN 112042135 A CN112042135 A CN 112042135A
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CN
China
Prior art keywords
optical
optical fiber
amplification unit
fiber coupler
signal
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Application number
CN201980028777.XA
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English (en)
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CN112042135B (zh
Inventor
王燕
许昌武
马立苹
杨礼
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Huahai Communication Technology Co ltd
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Huawei Marine Networks Co Ltd
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Publication date
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Publication of CN112042135A publication Critical patent/CN112042135A/zh
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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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/298—Two-way repeaters, i.e. repeaters amplifying separate upward and downward lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H01S3/094015—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with pump light recycling, i.e. with reinjection of the unused pump light back into the fiber, e.g. by reflectors or circulators
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • 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
    • H04B10/29—Repeaters

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)

Abstract

本申请提供了一种海底网络设备和海缆系统，可以及时准确的检测海底光中继器的故障。该设备包括第一光纤和第二光纤，至少一个第一泵浦激光器，用于给位于第一光纤的第一光放大单元提供泵浦光；第一光放大单元，用于将第一站点发往第二站点的第一检测光信号放大后输出；位于第一光纤的第一光纤耦合器，用于接收由第一检测光信号经过背向瑞利散射作用后得到的第一反射光信号，并将一部分第一反射光信号发往位于第二光纤的第二光纤耦合器；至少一个第二泵浦激光器，用于给第二光放大单元提供泵浦光；第二光放大单元，用于将第二站点发往第一站点的第二数据光信号放大后输出；第二光纤耦合器，用于接收第一光纤耦合器输出的一部分第一反射光信号。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201980028777.XA 2019-03-06 2019-03-06 海底网络设备和海缆系统 Active CN112042135B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/077198 WO2020177101A1 (zh) 2019-03-06 2019-03-06 海底网络设备和海缆系统

Publications (2)

Publication Number Publication Date
CN112042135A true CN112042135A (zh) 2020-12-04
CN112042135B CN112042135B (zh) 2022-07-29

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CN201980028777.XA Active CN112042135B (zh) 2019-03-06 2019-03-06 海底网络设备和海缆系统

Country Status (5)

Country Link
US (1) US20210021336A1 (zh)
EP (1) EP3754867A4 (zh)
JP (1) JP7039111B2 (zh)
CN (1) CN112042135B (zh)
WO (1) WO2020177101A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114526809A (zh) * 2022-02-15 2022-05-24 南方海洋科学与工程广东省实验室(珠海) 一种超长距离分布式光纤振动传感检测方法和装置
CN116781151A (zh) * 2023-08-18 2023-09-19 华海通信技术有限公司 一种海缆系统的光谱检测方法及系统
CN117375724A (zh) * 2023-12-06 2024-01-09 华海通信技术有限公司 一种水下设备以及通信系统

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1372272A2 (en) * 2002-06-13 2003-12-17 KDDI Submarine Cable Systems Inc. Method for controlling optical gain profiles
US20040085624A1 (en) * 2002-10-31 2004-05-06 Jian Liu Dual fiber optic amplifier with shared pump source
US20040208503A1 (en) * 2001-12-06 2004-10-21 William Shieh Systems and methods for detecting faults in optical communication systems
WO2005074660A2 (en) * 2004-01-07 2005-08-18 Red Sky Systems, Inc. Method and apparatus for in-service monitoring of a regional undersea optical transmission system using cotdr
US20050226614A1 (en) * 2003-02-06 2005-10-13 Fujitsu Limited Optical amplifying and repeating method and optical amplifying and repeating system
US20070041006A1 (en) * 2005-08-22 2007-02-22 Abbott Stuart M System and method for monitoring an optical communication system
CN101453273A (zh) * 2007-12-07 2009-06-10 华为海洋网络有限公司 光中继设备和双向业务传输方法
CN101729151A (zh) * 2008-10-10 2010-06-09 华为海洋网络有限公司 一种光传输方法、装置和系统
CN101997612A (zh) * 2009-08-10 2011-03-30 华为技术有限公司 光放大装置及光中继器
CN102801464A (zh) * 2011-05-27 2012-11-28 华为海洋网络有限公司 检测海底光缆线路的方法、传送装置和系统
CN103973363A (zh) * 2013-01-30 2014-08-06 泰科电子海底通信有限责任公司 用于光通信系统中的故障识别的系统和方法
US20150171958A1 (en) * 2013-12-17 2015-06-18 Xtera Communications, Inc. Repeater otdr using repeater based raman pumps
CN105933068A (zh) * 2016-03-31 2016-09-07 武汉光迅科技股份有限公司 一种双向随路遥泵结合的无中继光放大系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07264126A (ja) * 1994-03-23 1995-10-13 Fujitsu Ltd 光増幅中継伝送制御方式
JP3597267B2 (ja) * 1995-09-26 2004-12-02 富士通株式会社 冗長性を有する光中継器
DE69829330T2 (de) * 1997-05-13 2006-04-13 Pirelli Submarine Telecom Systems Italia S.P.A. Zuverlässigkeitsverbesserung eines optischen Übertragungssystems und Verfahren geeignet dafür
JP2004104473A (ja) * 2002-09-10 2004-04-02 Mitsubishi Electric Corp 光増幅中継器

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040208503A1 (en) * 2001-12-06 2004-10-21 William Shieh Systems and methods for detecting faults in optical communication systems
EP1372272A2 (en) * 2002-06-13 2003-12-17 KDDI Submarine Cable Systems Inc. Method for controlling optical gain profiles
US20030231888A1 (en) * 2002-06-13 2003-12-18 Kiyoaki Takashina Gain profile measuring method and system and gain profile controlling method and system
US20040085624A1 (en) * 2002-10-31 2004-05-06 Jian Liu Dual fiber optic amplifier with shared pump source
US20050226614A1 (en) * 2003-02-06 2005-10-13 Fujitsu Limited Optical amplifying and repeating method and optical amplifying and repeating system
WO2005074660A2 (en) * 2004-01-07 2005-08-18 Red Sky Systems, Inc. Method and apparatus for in-service monitoring of a regional undersea optical transmission system using cotdr
US20070041006A1 (en) * 2005-08-22 2007-02-22 Abbott Stuart M System and method for monitoring an optical communication system
CN101453273A (zh) * 2007-12-07 2009-06-10 华为海洋网络有限公司 光中继设备和双向业务传输方法
CN101729151A (zh) * 2008-10-10 2010-06-09 华为海洋网络有限公司 一种光传输方法、装置和系统
CN101997612A (zh) * 2009-08-10 2011-03-30 华为技术有限公司 光放大装置及光中继器
CN102801464A (zh) * 2011-05-27 2012-11-28 华为海洋网络有限公司 检测海底光缆线路的方法、传送装置和系统
CN103973363A (zh) * 2013-01-30 2014-08-06 泰科电子海底通信有限责任公司 用于光通信系统中的故障识别的系统和方法
US20150171958A1 (en) * 2013-12-17 2015-06-18 Xtera Communications, Inc. Repeater otdr using repeater based raman pumps
CN105933068A (zh) * 2016-03-31 2016-09-07 武汉光迅科技股份有限公司 一种双向随路遥泵结合的无中继光放大系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114526809A (zh) * 2022-02-15 2022-05-24 南方海洋科学与工程广东省实验室(珠海) 一种超长距离分布式光纤振动传感检测方法和装置
CN116781151A (zh) * 2023-08-18 2023-09-19 华海通信技术有限公司 一种海缆系统的光谱检测方法及系统
CN116781151B (zh) * 2023-08-18 2023-10-20 华海通信技术有限公司 一种海缆系统的光谱检测方法及系统
CN117375724A (zh) * 2023-12-06 2024-01-09 华海通信技术有限公司 一种水下设备以及通信系统

Also Published As

Publication number Publication date
US20210021336A1 (en) 2021-01-21
WO2020177101A1 (zh) 2020-09-10
EP3754867A1 (en) 2020-12-23
EP3754867A4 (en) 2021-07-14
JP7039111B2 (ja) 2022-03-22
JP2021517735A (ja) 2021-07-26
CN112042135B (zh) 2022-07-29

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Address before: 300457 5-6 / F, W3C building, Financial Street, Third Street, economic and Technological Development Zone, Binhai New Area, Tianjin

Applicant before: Huawei Marine Networks Co.,Ltd.

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