TWI450507B - - Google Patents

Info

Publication number
TWI450507B
TWI450507B TW101115727A TW101115727A TWI450507B TW I450507 B TWI450507 B TW I450507B TW 101115727 A TW101115727 A TW 101115727A TW 101115727 A TW101115727 A TW 101115727A TW I450507 B TWI450507 B TW I450507B
Authority
TW
Taiwan
Application number
TW101115727A
Other languages
Chinese (zh)
Other versions
TW201301786A (zh
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 filed Critical
Publication of TW201301786A publication Critical patent/TW201301786A/zh
Application granted granted Critical
Publication of TWI450507B publication Critical patent/TWI450507B/zh

Links

Classifications

    • 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
    • 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
    • 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)
TW101115727A 2011-06-16 2012-05-03 光功率控制方法和裝置 TW201301786A (zh)

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
TW201301786A TW201301786A (zh) 2013-01-01
TWI450507B true TWI450507B (https=) 2014-08-21

Family

ID=46950472

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101115727A TW201301786A (zh) 2011-06-16 2012-05-03 光功率控制方法和裝置

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

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1404193A (zh) * 2002-09-18 2003-03-19 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
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
CN1555139A (zh) * 2003-12-19 2004-12-15 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
US20060198634A1 (en) * 2005-03-07 2006-09-07 Nettest North America, Inc. Passive optical network loss test apparatus and method of use thereof
TW200814566A (en) * 2006-09-08 2008-03-16 Inventec Multimedia & Telecom Optical fiber monitoring system and method incorporated with failure automatic protection mechanism
TW200838174A (en) * 2007-03-13 2008-09-16 Chunghwa Telecom Co Ltd Apparatus of monitoring optical fiber fault of passive optical network and related method thereof
TW200845611A (en) * 2007-05-03 2008-11-16 Chunghwa Telecom Co Ltd Device for monitoring optical fiber barrier of optical splitter network and method thereof
TW200901647A (en) * 2007-06-28 2009-01-01 Chunghwa Telecom Co Ltd Optical fiber route identifying and monitoring system and method for photonic network
TW201039572A (en) * 2009-04-23 2010-11-01 Chunghwa Telecom Co Ltd Optical splitting network double-end monitoring apparatus and method
US20110013904A1 (en) * 2009-07-15 2011-01-20 Pms Sierra Israel Ltd. Passive optical network (pon) in-band optical time domain reflectometer (otdr)

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US4958926A (en) * 1988-10-31 1990-09-25 Reliance Comm/Tec Corporation Closed loop control system for laser
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
US20050201761A1 (en) * 2003-09-05 2005-09-15 Optical Zonu Corporation SINGLE FIBER TRANSCEIVER with FAULT LOCALIZATION
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
JP4677426B2 (ja) 2007-06-27 2011-04-27 アンリツ株式会社 コヒーレントｏｔｄｒ
RU2362270C2 (ru) * 2007-09-17 2009-07-20 Открытое акционерное общество "Информационные телекоммуникационные технологии" (ОАО "Интелтех") Волоконно-оптическая система передачи для чрезвычайных ситуаций
JP2011069763A (ja) * 2009-09-28 2011-04-07 Fujitsu Ltd 光伝送路検査装置、光伝送システム、および、光伝送路検査方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1404193A (zh) * 2002-09-18 2003-03-19 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
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
CN1555139A (zh) * 2003-12-19 2004-12-15 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
US20060198634A1 (en) * 2005-03-07 2006-09-07 Nettest North America, Inc. Passive optical network loss test apparatus and method of use thereof
TW200814566A (en) * 2006-09-08 2008-03-16 Inventec Multimedia & Telecom Optical fiber monitoring system and method incorporated with failure automatic protection mechanism
TW200838174A (en) * 2007-03-13 2008-09-16 Chunghwa Telecom Co Ltd Apparatus of monitoring optical fiber fault of passive optical network and related method thereof
TW200845611A (en) * 2007-05-03 2008-11-16 Chunghwa Telecom Co Ltd Device for monitoring optical fiber barrier of optical splitter network and method thereof
TW200901647A (en) * 2007-06-28 2009-01-01 Chunghwa Telecom Co Ltd Optical fiber route identifying and monitoring system and method for photonic network
TW201039572A (en) * 2009-04-23 2010-11-01 Chunghwa Telecom Co Ltd Optical splitting network double-end monitoring apparatus and method
US20110013904A1 (en) * 2009-07-15 2011-01-20 Pms Sierra Israel Ltd. Passive optical network (pon) in-band optical time domain reflectometer (otdr)

Also Published As

Publication number Publication date
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
CA2839170C (en) 2016-05-03
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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