GB2541291B - Laser power controller - Google Patents

Laser power controller

Info

Publication number
GB2541291B
GB2541291B GB1611938.0A GB201611938A GB2541291B GB 2541291 B GB2541291 B GB 2541291B GB 201611938 A GB201611938 A GB 201611938A GB 2541291 B GB2541291 B GB 2541291B
Authority
GB
United Kingdom
Prior art keywords
laser power
power controller
controller
laser
power
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.)
Active
Application number
GB1611938.0A
Other languages
English (en)
Other versions
GB2541291A (en
GB201611938D0 (en
Inventor
Redman-White William
Coue Dominique
Whitfield Colin
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.)
Hilight Semiconductor Ltd
Original Assignee
Hilight Semiconductor 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
Priority to GB1611938.0A priority Critical patent/GB2541291B/en
Application filed by Hilight Semiconductor Ltd filed Critical Hilight Semiconductor Ltd
Publication of GB201611938D0 publication Critical patent/GB201611938D0/en
Publication of GB2541291A publication Critical patent/GB2541291A/en
Priority to US15/643,958 priority patent/US10205532B2/en
Priority to JP2019521182A priority patent/JP6992062B2/ja
Priority to CN201780042380.7A priority patent/CN109565150B/zh
Priority to PCT/EP2017/067090 priority patent/WO2018007587A1/en
Application granted granted Critical
Publication of GB2541291B publication Critical patent/GB2541291B/en
Priority to US16/180,846 priority patent/US10749605B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H01S5/06812—Stabilisation of laser output parameters by monitoring or fixing the threshold current or other specific points of the L-I or V-I characteristics
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
    • 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
    • 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
    • H01S3/10038—Amplitude 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
    • 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
    • H01S3/1306—Stabilisation of the amplitude
    • 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
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0085—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for modulating the output, i.e. the laser beam is modulated outside the laser cavity
    • 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
    • H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser
    • 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
    • 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
    • H01S5/06832—Stabilising during amplitude modulation
    • 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
    • H01S5/06835—Stabilising during pulse modulation or generation
    • 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
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
GB1611938.0A 2016-07-08 2016-07-08 Laser power controller Active GB2541291B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1611938.0A GB2541291B (en) 2016-07-08 2016-07-08 Laser power controller
US15/643,958 US10205532B2 (en) 2016-07-08 2017-07-07 Laser power controller
PCT/EP2017/067090 WO2018007587A1 (en) 2016-07-08 2017-07-07 Laser power controller
JP2019521182A JP6992062B2 (ja) 2016-07-08 2017-07-07 レーザパワーコントローラ
CN201780042380.7A CN109565150B (zh) 2016-07-08 2017-07-07 激光功率控制器
US16/180,846 US10749605B2 (en) 2016-07-08 2018-11-05 Laser power controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1611938.0A GB2541291B (en) 2016-07-08 2016-07-08 Laser power controller

Publications (3)

Publication Number Publication Date
GB201611938D0 GB201611938D0 (en) 2016-08-24
GB2541291A GB2541291A (en) 2017-02-15
GB2541291B true GB2541291B (en) 2018-06-20

Family

ID=56890880

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1611938.0A Active GB2541291B (en) 2016-07-08 2016-07-08 Laser power controller

Country Status (5)

Country Link
US (1) US10205532B2 (https=)
JP (1) JP6992062B2 (https=)
CN (1) CN109565150B (https=)
GB (1) GB2541291B (https=)
WO (1) WO2018007587A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10749605B2 (en) 2016-07-08 2020-08-18 Hilight Semiconductor Limited Laser power controller

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2562138B (en) * 2018-01-12 2019-06-12 Hilight Semiconductor Ltd Laser power controller
WO2019027186A1 (en) * 2017-07-29 2019-02-07 Jeongsoo Kim RAFALE MODE OPERATION BY OPTICAL TRANSCEIVER AND OPTICAL TRANSCEIVER OPERATING METHOD OPERATING IN RAFALE MODE
WO2019104679A1 (zh) * 2017-11-30 2019-06-06 深圳市大疆创新科技有限公司 一种功率调整方法及激光测量装置
DE112021000785T5 (de) 2020-01-30 2022-12-01 Robert Bosch Gmbh Verfahren zum Steuern einer optischen Ausgangsleistung einer Laserdiode, Steuereinrichtung und System
US11705692B2 (en) * 2020-07-28 2023-07-18 Cisco Technology, Inc. Laser side mode suppression ratio control
CN115733044B (zh) * 2022-11-30 2024-01-30 江苏亮点光电研究有限公司 一种tgc指数函数激光信标电路
CN119109520A (zh) * 2023-11-30 2024-12-10 工研拓芯(苏州)集成电路有限公司 激光驱动器控制系统及控制方法

Citations (5)

* Cited by examiner, † Cited by third party
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GB2187056A (en) * 1986-02-24 1987-08-26 Rca Corp Light emitter bias stabilization for burst mode optic communication system
WO1993013577A1 (en) * 1991-12-20 1993-07-08 Raynet Corporation Apparatus and method for controlling an extinction ratio of a laser diode over temperature
US5502298A (en) * 1992-12-21 1996-03-26 Ericsson Raynet Apparatus and method for controlling an extinction ratio of a laser diode over temperature
US5710787A (en) * 1993-10-05 1998-01-20 Kabushiki Kaisha Komatsu Seisakusho Output controller for laser device
US20150188627A1 (en) * 2012-09-06 2015-07-02 Sumitomo Electric Industries, Ltd. Optical communication module, optical network unit, and method of controlling light-emitting element

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GB1539624A (en) * 1976-02-11 1979-01-31 Standard Telephones Cables Ltd Laser control system
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JP2531117B2 (ja) * 1993-12-01 1996-09-04 日本電気株式会社 高速ａｐｃ回路
US5850409A (en) * 1997-03-21 1998-12-15 Maxim Integrated Products, Inc. Laser modulation control method and apparatus
US6167246A (en) * 1997-05-09 2000-12-26 Micrel Incorporated Fully integrated all-CMOS AM receiver
JP3840794B2 (ja) * 1998-04-13 2006-11-01 富士ゼロックス株式会社 レーザ駆動装置
US6219165B1 (en) * 1998-07-09 2001-04-17 Agere Systems Optoelectronics Guardian Corp. Burst-mode laser techniques
JP2002319897A (ja) 2001-04-19 2002-10-31 Fujikura Ltd 光バースト送信方法及びそのレーザダイオード駆動回路
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US6778569B2 (en) * 2001-11-15 2004-08-17 Agere Systems Inc. Optical source driver with improved input stage
JP4043844B2 (ja) * 2002-05-24 2008-02-06 フリースケール セミコンダクター インコーポレイテッド 発光素子駆動装置
JP2004172237A (ja) * 2002-11-18 2004-06-17 Sharp Corp 光送信制御装置
ATE424640T1 (de) * 2003-01-08 2009-03-15 Tecey Software Dev Kg Llc Vorrichtung und verfahren zur messung dynamischer lasersignale
US7443896B2 (en) * 2003-07-09 2008-10-28 Agere Systems, Inc. Optical midpoint power control and extinction ratio control of a semiconductor laser
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CN101692521B (zh) * 2009-10-16 2012-04-18 上海博为光电科技有限公司 用于光通信发送机的激光二极管驱动器
CN102237633A (zh) * 2010-04-23 2011-11-09 上海华魏光纤传感技术有限公司 大功率窄脉冲激光光源
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JP6032075B2 (ja) * 2013-03-18 2016-11-24 富士通株式会社 光伝送装置および光伝送システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187056A (en) * 1986-02-24 1987-08-26 Rca Corp Light emitter bias stabilization for burst mode optic communication system
WO1993013577A1 (en) * 1991-12-20 1993-07-08 Raynet Corporation Apparatus and method for controlling an extinction ratio of a laser diode over temperature
US5502298A (en) * 1992-12-21 1996-03-26 Ericsson Raynet Apparatus and method for controlling an extinction ratio of a laser diode over temperature
US5710787A (en) * 1993-10-05 1998-01-20 Kabushiki Kaisha Komatsu Seisakusho Output controller for laser device
US20150188627A1 (en) * 2012-09-06 2015-07-02 Sumitomo Electric Industries, Ltd. Optical communication module, optical network unit, and method of controlling light-emitting element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10749605B2 (en) 2016-07-08 2020-08-18 Hilight Semiconductor Limited Laser power controller

Also Published As

Publication number Publication date
US10205532B2 (en) 2019-02-12
WO2018007587A1 (en) 2018-01-11
CN109565150A (zh) 2019-04-02
GB2541291A (en) 2017-02-15
JP6992062B2 (ja) 2022-01-13
GB201611938D0 (en) 2016-08-24
CN109565150B (zh) 2020-11-06
JP2019525684A (ja) 2019-09-05
US20180019823A1 (en) 2018-01-18

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