IT1219165B - Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore - Google Patents

Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore

Info

Publication number
IT1219165B
IT1219165B IT8867288A IT6728888A IT1219165B IT 1219165 B IT1219165 B IT 1219165B IT 8867288 A IT8867288 A IT 8867288A IT 6728888 A IT6728888 A IT 6728888A IT 1219165 B IT1219165 B IT 1219165B
Authority
IT
Italy
Prior art keywords
semiconductor
procedure
frequency control
laser frequency
automatic laser
Prior art date
Application number
IT8867288A
Other languages
English (en)
Other versions
IT8867288A0 (it
Inventor
Piero Gambini
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT8867288A priority Critical patent/IT1219165B/it
Publication of IT8867288A0 publication Critical patent/IT8867288A0/it
Priority to JP1053980A priority patent/JPH067615B2/ja
Priority to CA000594128A priority patent/CA1281367C/en
Priority to US07/328,439 priority patent/US4918700A/en
Priority to DE89105665T priority patent/DE68909824T2/de
Priority to DE198989105665T priority patent/DE336308T1/de
Priority to EP89105665A priority patent/EP0336308B1/en
Application granted granted Critical
Publication of IT1219165B publication Critical patent/IT1219165B/it

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
    • H04B10/572—Wavelength 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
    • H01S5/0687—Stabilising the frequency of the laser
    • 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
    • H04B10/506—Multiwavelength transmitters
    • 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
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
IT8867288A 1988-03-31 1988-03-31 Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore IT1219165B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT8867288A IT1219165B (it) 1988-03-31 1988-03-31 Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore
JP1053980A JPH067615B2 (ja) 1988-03-31 1989-03-08 半導体レーザの自動周波数制御方法及び装置
CA000594128A CA1281367C (en) 1988-03-31 1989-03-17 Method and device for automatic frequency control of semiconductor lasers
US07/328,439 US4918700A (en) 1988-03-31 1989-03-24 Method and device for automatic frequency control of semiconductor lasers
DE89105665T DE68909824T2 (de) 1988-03-31 1989-03-30 Verfahren und Vorrichtung für die automatische Frequenzregelung von Halbleiterlasern.
DE198989105665T DE336308T1 (de) 1988-03-31 1989-03-30 Verfahren und vorrichtung fuer die automatische frequenzregelung von halbleiterlasern.
EP89105665A EP0336308B1 (en) 1988-03-31 1989-03-30 Method and device for automatic frequency control of semiconductor lasers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8867288A IT1219165B (it) 1988-03-31 1988-03-31 Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore

Publications (2)

Publication Number Publication Date
IT8867288A0 IT8867288A0 (it) 1988-03-31
IT1219165B true IT1219165B (it) 1990-05-03

Family

ID=11301172

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8867288A IT1219165B (it) 1988-03-31 1988-03-31 Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore

Country Status (6)

Country Link
US (1) US4918700A (it)
EP (1) EP0336308B1 (it)
JP (1) JPH067615B2 (it)
CA (1) CA1281367C (it)
DE (2) DE336308T1 (it)
IT (1) IT1219165B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231713B (en) * 1989-03-30 1994-03-23 Toshiba Kk Semiconductor laser apparatus
JPH0783265B2 (ja) * 1989-08-21 1995-09-06 新技術事業団 レーザ励起ルビジウム原子発振器
JP2839611B2 (ja) * 1990-01-16 1998-12-16 沖電気工業株式会社 自動周波数制御回路
DE69120369T2 (de) * 1990-09-20 1997-01-09 Fujitsu Ltd Vorrichtung zur Steuerung und Messung der optischen Frequenztastung von Laserlicht
US5111468A (en) * 1990-10-15 1992-05-05 International Business Machines Corporation Diode laser frequency doubling using nonlinear crystal resonator with electronic resonance locking
JP3235738B2 (ja) * 1992-05-20 2001-12-04 株式会社トプコン アブソリュート測長器
JP2772605B2 (ja) * 1992-10-15 1998-07-02 国際電信電話株式会社 光周波数多重キャリヤ制御装置
DE69404190T2 (de) * 1993-03-30 1998-02-19 Nippon Electric Co Frequenzstabilisationsverfahren für Halbleiterlaser und frequenzstabilisierte Lichtquelle
JP2541095B2 (ja) * 1993-05-31 1996-10-09 日本電気株式会社 レ―ザの波長安定化方法
US5617234A (en) * 1994-09-26 1997-04-01 Nippon Telegraph & Telephone Corporation Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating
JP3047855B2 (ja) 1997-04-25 2000-06-05 日本電気株式会社 波長分割多重光送信装置
US7418015B2 (en) * 2004-02-23 2008-08-26 Finisar Corporation System and method for control of optical transmitter
EP1723407B1 (en) * 2004-03-09 2007-11-14 Senscient Limited Gas detection
US20120008653A1 (en) * 2010-07-09 2012-01-12 Ipg Photonics Corporation Laser System with Dynamically Stabilized Transient Wavelength and Method of Operating Same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852891A (ja) * 1981-09-24 1983-03-29 Japan Radio Co Ltd レ−ザの周波数安定化装置
JPS6035588A (ja) * 1983-08-08 1985-02-23 Norito Suzuki 周波数安定化レ−ザ−装置
US4583228A (en) * 1983-11-21 1986-04-15 At&T Bell Laboratories Frequency stabilization of lasers
JPH0627913B2 (ja) * 1984-12-21 1994-04-13 ソニー株式会社 光変調装置
JPS6343385A (ja) * 1986-08-08 1988-02-24 Olympus Optical Co Ltd レ−ザの高周波重畳自動出力制御装置
JPS6344783A (ja) * 1986-08-12 1988-02-25 Fujitsu Ltd レ−ザ光源の周波数安定化装置
JPS63193583A (ja) * 1987-02-06 1988-08-10 Ando Electric Co Ltd レ−ザダイオ−ドの矩形波変調回路

Also Published As

Publication number Publication date
US4918700A (en) 1990-04-17
DE68909824T2 (de) 1994-03-10
DE68909824D1 (de) 1993-11-18
EP0336308A2 (en) 1989-10-11
JPH01276786A (ja) 1989-11-07
EP0336308A3 (en) 1991-02-27
JPH067615B2 (ja) 1994-01-26
DE336308T1 (de) 1991-06-13
CA1281367C (en) 1991-03-12
EP0336308B1 (en) 1993-10-13
IT8867288A0 (it) 1988-03-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950329