TW201301786A - 光功率控制方法和裝置 - Google Patents
光功率控制方法和裝置 Download PDFInfo
- Publication number
- TW201301786A TW201301786A TW101115727A TW101115727A TW201301786A TW 201301786 A TW201301786 A TW 201301786A TW 101115727 A TW101115727 A TW 101115727A TW 101115727 A TW101115727 A TW 101115727A TW 201301786 A TW201301786 A TW 201301786A
- Authority
- TW
- Taiwan
- Prior art keywords
- test
- light source
- optical power
- optical
- otdr
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 275
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 174
- 238000012544 monitoring process Methods 0.000 claims abstract description 53
- 238000012545 processing Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000253 optical time-domain reflectometry Methods 0.000 claims 22
- 230000011664 signaling Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 12
- 239000013307 optical fiber Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- H04B10/40—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
-
- 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
- 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)
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 true TW201301786A (zh) | 2013-01-01 |
| TWI450507B 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=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| US7756418B2 (en) * | 2005-03-07 | 2010-07-13 | Anritsu Instruments Company | Passive optical network loss test apparatus and method of use thereof |
| 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 |
| 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 |
| JP4677426B2 (ja) | 2007-06-27 | 2011-04-27 | アンリツ株式会社 | コヒーレントｏｔｄｒ |
| TW200901647A (en) * | 2007-06-28 | 2009-01-01 | Chunghwa Telecom Co Ltd | Optical fiber route identifying and monitoring system and method for photonic network |
| RU2362270C2 (ru) * | 2007-09-17 | 2009-07-20 | Открытое акционерное общество "Информационные телекоммуникационные технологии" (ОАО "Интелтех") | Волоконно-оптическая система передачи для чрезвычайных ситуаций |
| TWI433478B (zh) * | 2009-04-23 | 2014-04-01 | Chunghwa Telecom Co Ltd | Optical double - ended monitoring system and method |
| US8406620B2 (en) * | 2009-07-15 | 2013-03-26 | Pmc Sierra Israel Ltd. | Passive optical network (PON) in-band optical time domain reflectometer (OTDR) |
| 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 |
-
2011
- 2011-06-16 AU AU2011370891A patent/AU2011370891B2/en active Active
- 2011-06-16 CA CA2839170A patent/CA2839170C/en active Active
- 2011-06-16 EP EP11867973.7A patent/EP2713528A4/en not_active Withdrawn
- 2011-06-16 MX MX2013014842A patent/MX2013014842A/es active IP Right Grant
- 2011-06-16 CN CN201180001007.XA patent/CN102725973B/zh active Active
- 2011-06-16 RU RU2014101167/07A patent/RU2563968C2/ru active
- 2011-06-16 KR KR1020137034315A patent/KR101489421B1/ko active Active
- 2011-06-16 JP JP2014515026A patent/JP5797839B2/ja active Active
- 2011-06-16 EP EP15187827.9A patent/EP2991244B1/en active Active
- 2011-06-16 WO PCT/CN2011/075810 patent/WO2012171202A1/zh not_active Ceased
-
2012
- 2012-04-30 MY MYPI2012001934A patent/MY166693A/en unknown
- 2012-05-03 TW TW101115727A patent/TW201301786A/zh unknown
- 2012-06-11 SA SA112330607A patent/SA112330607B1/ar unknown
- 2012-06-11 AR ARP120102075A patent/AR086906A1/es active IP Right Grant
-
2013
- 2013-12-16 US US14/107,721 patent/US20140097756A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
| 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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