CA2839170C - Method and apparatus for controlling optical power - Google Patents

Method and apparatus for controlling optical power Download PDF

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Publication number
CA2839170C
CA2839170C CA2839170A CA2839170A CA2839170C CA 2839170 C CA2839170 C CA 2839170C CA 2839170 A CA2839170 A CA 2839170A CA 2839170 A CA2839170 A CA 2839170A CA 2839170 C CA2839170 C CA 2839170C
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CA
Canada
Prior art keywords
optical
test
optical source
otdr
signal
Prior art date
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Active
Application number
CA2839170A
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English (en)
French (fr)
Other versions
CA2839170A1 (en
Inventor
Degang Zhong
Sulin Yang
Shengping Li
Zebin Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CA2839170A1 publication Critical patent/CA2839170A1/en
Application granted granted Critical
Publication of CA2839170C publication Critical patent/CA2839170C/en
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. 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
    • H04B10/40—Transceivers
    • 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
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • 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
    • 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
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Optical Communication System (AREA)
  • Semiconductor Lasers (AREA)
CA2839170A 2011-06-16 2011-06-16 Method and apparatus for controlling optical power Active CA2839170C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/075810 WO2012171202A1 (zh) 2011-06-16 2011-06-16 光功率控制方法和装置

Publications (2)

Publication Number Publication Date
CA2839170A1 CA2839170A1 (en) 2012-12-20
CA2839170C true CA2839170C (en) 2016-05-03

Family

ID=46950472

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2839170A Active CA2839170C (en) 2011-06-16 2011-06-16 Method and apparatus for controlling optical power

Country Status (14)

Country Link
US (1) US20140097756A1 (https=)
EP (2) EP2713528A4 (https=)
JP (1) JP5797839B2 (https=)
KR (1) KR101489421B1 (https=)
CN (1) CN102725973B (https=)
AR (1) AR086906A1 (https=)
AU (1) AU2011370891B2 (https=)
CA (1) CA2839170C (https=)
MX (1) MX2013014842A (https=)
MY (1) MY166693A (https=)
RU (1) RU2563968C2 (https=)
SA (1) SA112330607B1 (https=)
TW (1) TW201301786A (https=)
WO (1) WO2012171202A1 (https=)

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EP2782269A4 (en) * 2011-12-12 2014-12-17 Huawei Tech Co Ltd CIRCUIT FOR MODULATING AN OPTICAL TIME-RATE REFLECTOMETER TEST SIGNAL, AND SYSTEM AND DEVICE FOR A PASSIVE OPTICAL NETWORK
JP6024391B2 (ja) * 2012-10-31 2016-11-16 富士通株式会社 伝送装置、伝送システム、及び障害検出方法
CN103973362A (zh) * 2013-02-06 2014-08-06 中兴通讯股份有限公司 设置otdr测试参数集的方法及装置
US9621262B1 (en) * 2013-07-24 2017-04-11 Optical Cable Corporation Self-monitoring cable system
US9136970B2 (en) * 2013-11-25 2015-09-15 Verizon Patent And Licensing Inc. Network protection against rogue transmitter
CN105306137A (zh) * 2014-06-27 2016-02-03 中兴通讯股份有限公司 光纤检测方法、检测设备、检测平台及网元管理系统
CN104749193B (zh) * 2015-04-02 2018-12-14 深圳市斯尔顿科技有限公司 可保持照明光输出光功率恒定的镜片应力检测装置
EP3379745B1 (en) * 2015-12-11 2020-03-25 Huawei Technologies Co., Ltd. Method and device for controlling transmitted power of optical network unit, and optical network unit
CN110707520B (zh) * 2019-09-20 2021-01-08 武汉光迅科技股份有限公司 一种直调激光器的驱动电路和直调光发射机
CN111596713A (zh) * 2020-05-22 2020-08-28 索尔思光电（成都）有限公司 一种快速响应的高精度apc控制电路和方法
RU2760491C1 (ru) * 2020-06-03 2021-11-25 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-Морского Флота "Военно-морская академия имени Адмирала флота Советского Союза Н.Г. Кузнецова" Способ передачи сообщений по атмосферной оптической линии связи
US20240364419A1 (en) * 2023-01-03 2024-10-31 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Reconfigurable Software-Defined Optical Time-Domain Reflectometer for Diagnostics and Sensing
CN116388866B (zh) * 2023-06-05 2023-09-01 绍兴中科通信设备有限公司 在光模块上调整器件光功率的设备及方法

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GB8906937D0 (en) * 1989-03-28 1989-05-10 Plessey Telecomm Testing optical fibre links
JPH11274630A (ja) * 1998-03-20 1999-10-08 Fujitsu Ltd 発光素子制御装置
JP2000047968A (ja) * 1998-07-31 2000-02-18 Sony Computer Entertainment Inc 情報処理装置及び方法、情報処理システム、データ受信端末及び方法、並びにデータ放送システム
CN1224145C (zh) * 2002-09-18 2005-10-19 威盛电子股份有限公司 自动激光功率控制电路及其开关控制电路
KR100526560B1 (ko) * 2002-12-07 2005-11-03 삼성전자주식회사 자동파워조절 기능을 갖는 광섬유 증폭기 및 그 자동 파워조절 방법
US20050201761A1 (en) * 2003-09-05 2005-09-15 Optical Zonu Corporation SINGLE FIBER TRANSCEIVER with FAULT LOCALIZATION
CN100344083C (zh) * 2003-12-19 2007-10-17 青岛海信光电科技股份有限公司 光发射机输出光功率及消光比的控制方法及其控制电路
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KR100687870B1 (ko) * 2005-04-04 2007-02-27 주식회사 하이닉스반도체 웨이퍼의 불량 검사 방법
JP2007093405A (ja) * 2005-09-29 2007-04-12 Anritsu Corp 光パルス試験器
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Also Published As

Publication number Publication date
TWI450507B (https=) 2014-08-21
MY166693A (en) 2018-07-18
RU2014101167A (ru) 2015-07-27
EP2713528A4 (en) 2014-11-05
KR20140017674A (ko) 2014-02-11
WO2012171202A1 (zh) 2012-12-20
TW201301786A (zh) 2013-01-01
KR101489421B1 (ko) 2015-02-03
AU2011370891B2 (en) 2015-07-23
JP2014518470A (ja) 2014-07-28
JP5797839B2 (ja) 2015-10-21
AR086906A1 (es) 2014-01-29
RU2563968C2 (ru) 2015-09-27
CA2839170A1 (en) 2012-12-20
EP2713528A1 (en) 2014-04-02
AU2011370891A1 (en) 2014-01-30
SA112330607B1 (ar) 2015-07-23
EP2991244B1 (en) 2018-01-24
CN102725973B (zh) 2015-07-29
US20140097756A1 (en) 2014-04-10
MX2013014842A (es) 2014-03-31
CN102725973A (zh) 2012-10-10
EP2991244A1 (en) 2016-03-02

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