CN101479896B - 可变增益光放大器 - Google Patents
可变增益光放大器 Download PDFInfo
- Publication number
- CN101479896B CN101479896B CN2007800171709A CN200780017170A CN101479896B CN 101479896 B CN101479896 B CN 101479896B CN 2007800171709 A CN2007800171709 A CN 2007800171709A CN 200780017170 A CN200780017170 A CN 200780017170A CN 101479896 B CN101479896 B CN 101479896B
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- CN
- China
- Prior art keywords
- image intensifer
- feed
- signal
- forward signal
- gain
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
- H04B10/293—Signal power control
- H04B10/2931—Signal power control using AGC
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- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
- H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
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- 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
- H01S2301/00—Functional characteristics
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
- H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
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- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1305—Feedback control systems
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- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lasers (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Description
Claims (36)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/382,974 US7317570B2 (en) | 2006-05-12 | 2006-05-12 | Variable gain optical amplifiers |
US11/382,974 | 2006-05-12 | ||
GB0610279A GB0610279D0 (en) | 2006-05-24 | 2006-05-24 | Adaptive feedback gain control with pre-emptive feed forward |
GB0610279.2 | 2006-05-24 | ||
PCT/GB2007/050257 WO2007132268A2 (en) | 2006-05-12 | 2007-05-11 | Variable gain optical amplifiers |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101479896A CN101479896A (zh) | 2009-07-08 |
CN101479896B true CN101479896B (zh) | 2011-07-06 |
Family
ID=38685255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800171709A Active CN101479896B (zh) | 2006-05-12 | 2007-05-11 | 可变增益光放大器 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7317570B2 (zh) |
CN (1) | CN101479896B (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3989430B2 (ja) * | 2003-02-12 | 2007-10-10 | 古河電気工業株式会社 | 光増幅方法、その装置およびその装置を用いた光増幅中継システム |
US7864467B2 (en) * | 2008-02-06 | 2011-01-04 | International Business Machines Corporation | Gain control for data-dependent detection in magnetic storage read channels |
CN101599803B (zh) * | 2008-06-05 | 2012-08-29 | 昂纳信息技术(深圳)有限公司 | 一种光放大器的自适应前馈控制装置和方法 |
CN101718940B (zh) * | 2009-11-17 | 2012-06-27 | 武汉光迅科技股份有限公司 | 实现掺铒光纤放大器快速收敛的控制装置及控制方法 |
US8848283B2 (en) * | 2010-10-21 | 2014-09-30 | Adva Optical Networking Se | Optical amplification device and method |
CN102361468B (zh) * | 2011-09-13 | 2014-06-11 | 武汉光迅科技股份有限公司 | 掺饵光纤放大器开泵控制方法 |
JP6003581B2 (ja) * | 2012-11-26 | 2016-10-05 | 富士通株式会社 | 光増幅器 |
US9806486B2 (en) | 2015-03-19 | 2017-10-31 | Ii-Vi Incorporated | Optical amplifier module |
CN105656560B (zh) * | 2015-12-29 | 2018-08-17 | 深圳新飞通光电子技术有限公司 | 掺铒光纤放大器的光功率控制方法 |
CN105912067B (zh) * | 2016-06-15 | 2017-05-24 | 凌云天博光电科技股份有限公司 | 一种泵浦激光器输入电流的控制方法及装置 |
US10400673B2 (en) * | 2016-06-20 | 2019-09-03 | General Electric Company | Feedforward systems and methods for spray intercooling fluid flows |
CN106533552B (zh) * | 2016-10-27 | 2019-03-19 | 武汉光迅科技股份有限公司 | 一种光放大器突发模式下的光功率和增益探测装置和方法 |
CN106772437B (zh) * | 2016-12-12 | 2020-11-27 | 中国科学院合肥物质科学研究院 | 自适应控制动态范围的激光雷达装置 |
CN108111228B (zh) * | 2017-12-13 | 2019-09-10 | 武汉电信器件有限公司 | 单级多泵结构增益可变光放大器的光学和瞬态调试方法 |
US11588295B2 (en) | 2019-11-01 | 2023-02-21 | Ii-Vi Delaware, Inc. | Pump modulation for optical amplifier link communication |
US11575241B2 (en) | 2020-12-11 | 2023-02-07 | Ii-Vi Delaware, Inc. | Optical amplifier modules |
CN112815934B (zh) * | 2021-01-06 | 2024-04-02 | 东南大学 | 一种自带agc的微半球陀螺仪高压直流驱动电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1469180A (zh) * | 2002-07-18 | 2004-01-21 | 华为技术有限公司 | 低噪声增益可调型光放大器 |
US6894832B1 (en) * | 2002-08-30 | 2005-05-17 | Nortel Networks Limited | Technique for adaptively controlling gain in an optical amplifier |
US6975449B1 (en) * | 2003-03-05 | 2005-12-13 | Nortel Networks Limited | Fast, continuously variable automatic gain control for optical amplifiers |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE514609C2 (sv) | 1996-09-13 | 2001-03-19 | Ericsson Telefon Ab L M | System och förfarande för reglering av uteffekten hos en optisk förstärkare |
KR100246927B1 (ko) | 1997-06-10 | 2000-03-15 | 손욱 | 전하이동 착체시스템을 이용한 단층형 전자사진 광도전층 조성물 및 그 제조방법 |
SE514253C2 (sv) | 1998-07-17 | 2001-01-29 | Ericsson Telefon Ab L M | Förbättrad styrning av optiska fiberförstärkare |
US6377394B1 (en) * | 2000-03-30 | 2002-04-23 | Nortel Networks Limited | Optical amplifier gain control |
US6366395B1 (en) * | 2000-03-30 | 2002-04-02 | Nortel Networks Limited | Optical amplifier gain control |
US6414788B1 (en) | 2000-10-02 | 2002-07-02 | Onetta, Inc. | Optical amplifier system with transient control |
US6417965B1 (en) | 2001-02-16 | 2002-07-09 | Onetta, Inc. | Optical amplifier control system |
KR100416975B1 (ko) * | 2001-07-10 | 2004-02-05 | 삼성전자주식회사 | 광섬유 증폭기의 자동 이득 제어 장치 |
US7061668B2 (en) * | 2002-03-21 | 2006-06-13 | Siemens Communications Inc. | Fast optical amplifier control circuit |
US20040051938A1 (en) * | 2002-09-16 | 2004-03-18 | Chan Les Yu Chung | Gain controlled optical amplifier |
US6900934B2 (en) * | 2002-09-27 | 2005-05-31 | Avanex Corporation | Inversion level controller and system for optical amplifiers |
KR100498940B1 (ko) * | 2003-05-28 | 2005-07-04 | 삼성전자주식회사 | 광섬유 증폭기의 자동 이득 제어 장치 |
GB2411044B (en) * | 2004-11-25 | 2006-01-04 | Bookham Technology Plc | Optical amplifiers |
-
2006
- 2006-05-12 US US11/382,974 patent/US7317570B2/en active Active
-
2007
- 2007-05-11 CN CN2007800171709A patent/CN101479896B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1469180A (zh) * | 2002-07-18 | 2004-01-21 | 华为技术有限公司 | 低噪声增益可调型光放大器 |
US6894832B1 (en) * | 2002-08-30 | 2005-05-17 | Nortel Networks Limited | Technique for adaptively controlling gain in an optical amplifier |
US6975449B1 (en) * | 2003-03-05 | 2005-12-13 | Nortel Networks Limited | Fast, continuously variable automatic gain control for optical amplifiers |
Also Published As
Publication number | Publication date |
---|---|
US20070264014A1 (en) | 2007-11-15 |
US7317570B2 (en) | 2008-01-08 |
CN101479896A (zh) | 2009-07-08 |
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ASS | Succession or assignment of patent right |
Owner name: II VI INC. Free format text: FORMER OWNER: OCLARO TECHNOLOGY LTD. Effective date: 20150211 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: OCLARO TECHNOLOGY LTD. Free format text: FORMER NAME: BOOKHAM TECHNOLOGY PLC |
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CP01 | Change in the name or title of a patent holder |
Address after: The British county of Northampton Patentee after: OCLARO TECHNOLOGY Ltd. Address before: The British county of Northampton Patentee before: Ever tech public Ltd. Address after: The British county of Northampton Patentee after: Ever tech public Ltd. Address before: The British county of Northampton Patentee before: Bookham Technology PLC |
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Effective date of registration: 20150211 Address after: American Pennsylvania Patentee after: II-VI Inc. Address before: The British county of Northampton Patentee before: OCLARO TECHNOLOGY Ltd. |