DE68909824T2 - Verfahren und Vorrichtung für die automatische Frequenzregelung von Halbleiterlasern. - Google Patents

Verfahren und Vorrichtung für die automatische Frequenzregelung von Halbleiterlasern.

Info

Publication number
DE68909824T2
DE68909824T2 DE89105665T DE68909824T DE68909824T2 DE 68909824 T2 DE68909824 T2 DE 68909824T2 DE 89105665 T DE89105665 T DE 89105665T DE 68909824 T DE68909824 T DE 68909824T DE 68909824 T2 DE68909824 T2 DE 68909824T2
Authority
DE
Germany
Prior art keywords
frequency control
semiconductor lasers
automatic frequency
automatic
lasers
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.)
Expired - Fee Related
Application number
DE89105665T
Other languages
English (en)
Other versions
DE68909824D1 (de
Inventor
Piero Gambini
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.)
Agilent Technologies Inc
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni SpA
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 e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Application granted granted Critical
Publication of DE68909824D1 publication Critical patent/DE68909824D1/de
Publication of DE68909824T2 publication Critical patent/DE68909824T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE89105665T 1988-03-31 1989-03-30 Verfahren und Vorrichtung für die automatische Frequenzregelung von Halbleiterlasern. Expired - Fee Related DE68909824T2 (de)

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
DE68909824D1 DE68909824D1 (de) 1993-11-18
DE68909824T2 true DE68909824T2 (de) 1994-03-10

Family

ID=11301172

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198989105665T Pending DE336308T1 (de) 1988-03-31 1989-03-30 Verfahren und vorrichtung fuer die automatische frequenzregelung von halbleiterlasern.
DE89105665T Expired - Fee Related DE68909824T2 (de) 1988-03-31 1989-03-30 Verfahren und Vorrichtung für die automatische Frequenzregelung von Halbleiterlasern.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198989105665T Pending DE336308T1 (de) 1988-03-31 1989-03-30 Verfahren und vorrichtung fuer die automatische frequenzregelung von halbleiterlasern.

Country Status (6)

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

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
CA2060943C (en) * 1990-09-20 1996-01-09 Hideyuki Miyata Optical frequency deviation measure and control device for laser light
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
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
US5392303A (en) * 1993-03-30 1995-02-21 Nec Corporation Frequency stabilization method of semiconductor laser, frequency-stabilized light source and laser module
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
US7705988B2 (en) * 2004-03-09 2010-04-27 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
EP0336308A3 (de) 1991-02-27
IT1219165B (it) 1990-05-03
CA1281367C (en) 1991-03-12
EP0336308B1 (de) 1993-10-13
DE336308T1 (de) 1991-06-13
IT8867288A0 (it) 1988-03-31
JPH067615B2 (ja) 1994-01-26
EP0336308A2 (de) 1989-10-11
DE68909824D1 (de) 1993-11-18
US4918700A (en) 1990-04-17
JPH01276786A (ja) 1989-11-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: OPTICAL TECHNOLOGIES CENTER S.R.L., TURIN/TORINO,

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC., A CORPORATION OF THE S

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8339 Ceased/non-payment of the annual fee