DE3889251T2 - Verfahren und Vorrichtung zur Schwingungsfrequenztrennung zwischen einer Anzahl von Lasergeräten. - Google Patents

Verfahren und Vorrichtung zur Schwingungsfrequenztrennung zwischen einer Anzahl von Lasergeräten.

Info

Publication number
DE3889251T2
DE3889251T2 DE3889251T DE3889251T DE3889251T2 DE 3889251 T2 DE3889251 T2 DE 3889251T2 DE 3889251 T DE3889251 T DE 3889251T DE 3889251 T DE3889251 T DE 3889251T DE 3889251 T2 DE3889251 T2 DE 3889251T2
Authority
DE
Germany
Prior art keywords
laser devices
vibrations
separating
separating vibrations
laser
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 - Lifetime
Application number
DE3889251T
Other languages
English (en)
Other versions
DE3889251D1 (de
Inventor
Kazuhisa Kaede
Naoki Shimosaka
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.)
NEC Corp
Original Assignee
NEC Corp
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 claimed from JP13726987A external-priority patent/JPH0666505B2/ja
Priority claimed from JP62175102A external-priority patent/JPH0716070B2/ja
Priority claimed from JP26093287A external-priority patent/JPH0650786B2/ja
Priority claimed from JP2060088A external-priority patent/JPH0658985B2/ja
Priority claimed from JP63020603A external-priority patent/JPH07105549B2/ja
Priority claimed from JP7233288A external-priority patent/JPH01244686A/ja
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE3889251D1 publication Critical patent/DE3889251D1/de
Application granted granted Critical
Publication of DE3889251T2 publication Critical patent/DE3889251T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687Stabilising the frequency of the laser
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/212Mach-Zehnder type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/04Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042Electrical excitation ; Circuits therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/40Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025Array arrangements, e.g. constituted by discrete laser diodes or laser bar
DE3889251T 1987-05-29 1988-05-27 Verfahren und Vorrichtung zur Schwingungsfrequenztrennung zwischen einer Anzahl von Lasergeräten. Expired - Lifetime DE3889251T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP13726987A JPH0666505B2 (ja) 1987-05-29 1987-05-29 複数のレ−ザ装置の発振周波数間隔安定化方法及び装置
JP62175102A JPH0716070B2 (ja) 1987-07-13 1987-07-13 複数のレ−ザ装置の発振周波数間隔安定化方法及び装置
JP26093287A JPH0650786B2 (ja) 1987-10-15 1987-10-15 複数のレーザ装置の発振周波数間隔安定化装置
JP2060088A JPH0658985B2 (ja) 1988-01-29 1988-01-29 レーザ装置発振周波数間隔安定化方法
JP63020603A JPH07105549B2 (ja) 1988-01-29 1988-01-29 レーザ装置発振周波数安定化方法
JP7233288A JPH01244686A (ja) 1988-03-25 1988-03-25 レーザ装置発振周波数間隔安定化装置

Publications (2)

Publication Number Publication Date
DE3889251D1 DE3889251D1 (de) 1994-06-01
DE3889251T2 true DE3889251T2 (de) 1994-12-01

Family

ID=27548930

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889251T Expired - Lifetime DE3889251T2 (de) 1987-05-29 1988-05-27 Verfahren und Vorrichtung zur Schwingungsfrequenztrennung zwischen einer Anzahl von Lasergeräten.

Country Status (5)

Country Link
US (1) US4835782A (de)
EP (1) EP0293008B1 (de)
AU (1) AU592743B2 (de)
CA (1) CA1307559C (de)
DE (1) DE3889251T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE460807B (sv) * 1988-03-11 1989-11-20 Ericsson Telefon Ab L M Anording foer att utsaenda en koherent frekvensmodulerad optisk signal
JPH0231475A (ja) * 1988-07-20 1990-02-01 Nec Corp レーザ発振周波数間隔安定化方法
JP2864591B2 (ja) * 1989-12-18 1999-03-03 日本電気株式会社 複数のレーザ装置の発振周波数間隔安定化方法
JP2649737B2 (ja) * 1990-07-05 1997-09-03 国際電信電話株式会社 光増幅器の励起光源駆動方式
US5239400A (en) * 1991-07-10 1993-08-24 The Arizona Board Of Regents Technique for accurate carrier frequency generation in of DM system
FR2681996B1 (fr) * 1991-09-26 1993-11-12 Alcatel Nv Procede de reperage de frequence optique et reseau de communication a canaux frequentiels appliquant ce procede.
DE4232764A1 (de) * 1992-09-25 1994-03-31 Hertz Inst Heinrich Abstimmbarer Generator für hochfrequente Signale
SE9500208L (sv) 1995-01-23 1996-03-04 Telia Ab Förfarande och anordning för att distribuera och mottaga våglängdsreferens i optiskt multikanalnät
US5838470A (en) * 1995-07-27 1998-11-17 University Technology Corporation Optical wavelength tracking receiver
US6542523B1 (en) * 1998-01-30 2003-04-01 Ando Electric Co., Ltd. Wavelength-variable light source apparatus
US6240109B1 (en) * 1999-02-25 2001-05-29 Lucent Technologies Inc Wavelength stabilization of wavelength division multiplexed channels
US6678294B1 (en) * 2000-11-06 2004-01-13 Northrop Grumman Corporation Distributed feedback laser apparatus for avoiding stimulated brillouin scattering
EP1368913B1 (de) * 2001-03-16 2009-12-30 Roke Manor Research Limited Verfahren und vorrichtung zur optischen datenkompression
CA2463502C (en) 2001-10-09 2011-09-20 Infinera Corporation Digital optical network architecture
US20080044128A1 (en) * 2001-10-09 2008-02-21 Infinera Corporation TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPICs) AND OPTICAL TRANSPORT NETWORK SYSTEM EMPLOYING TxPICs
US7283694B2 (en) * 2001-10-09 2007-10-16 Infinera Corporation Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs
US7751658B2 (en) * 2001-10-09 2010-07-06 Infinera Corporation Monolithic transmitter photonic integrated circuit (TxPIC) having tunable modulated sources with feedback system for source power level or wavelength tuning
US7116851B2 (en) 2001-10-09 2006-10-03 Infinera Corporation Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving performance
US7672546B2 (en) * 2001-10-09 2010-03-02 Infinera Corporation Optical transport network having a plurality of monolithic photonic integrated circuit semiconductor chips
US6941080B2 (en) 2002-07-15 2005-09-06 Triquint Technology Holding Co. Method and apparatus for directly modulating a laser diode using multi-stage driver circuitry
US7747114B2 (en) * 2002-10-08 2010-06-29 Infinera Corporation Tilted combiners/decombiners and photonic integrated circuits (PICs) employing the same
JP2005317666A (ja) * 2004-04-27 2005-11-10 Sumitomo Electric Ind Ltd レーザ駆動回路
US8625401B2 (en) * 2005-09-28 2014-01-07 Dell Products L.P. System and method for reducing RF emissions associated with an optical drive laser diode HFM signal
WO2009114163A2 (en) * 2008-03-11 2009-09-17 Oewaves, Inc. Optical locking based on optical resonators with high quality factors
US8331409B1 (en) 2010-01-18 2012-12-11 Oewaves, Inc. Locking of a laser to an optical interferometer that is stabilized to a reference frequency

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322836A (en) * 1976-04-08 1982-03-30 Victor Company Of Japan, Ltd. High density recording system using side-by side information and servo tracks
US4530097A (en) * 1982-09-29 1985-07-16 The Board Of Trustees Of The Leland Stanford Junior University Brillouin ring laser
AU2697284A (en) * 1983-03-07 1984-09-28 Beckman Instruments, Inc. Laser stabilization servo system
US4707061A (en) * 1985-10-03 1987-11-17 Polaroid Corporation Optical communication system employing frequency reference
DE3608930A1 (de) * 1986-03-18 1987-09-24 Standard Elektrik Lorenz Ag Verfahren zur regelung der optischen leistung eines lasers und schaltung zur ausuebung des verfahrens

Also Published As

Publication number Publication date
DE3889251D1 (de) 1994-06-01
EP0293008A3 (en) 1990-06-13
AU592743B2 (en) 1990-01-18
US4835782A (en) 1989-05-30
AU1677688A (en) 1988-12-01
CA1307559C (en) 1992-09-15
EP0293008B1 (de) 1994-04-27
EP0293008A2 (de) 1988-11-30

Similar Documents

Publication Publication Date Title
DE3889251D1 (de) Verfahren und Vorrichtung zur Schwingungsfrequenztrennung zwischen einer Anzahl von Lasergeräten.
DE69019702D1 (de) Verfahren und Vorrichtung zur Stabilisierung des Frequenzabstands zwischen einer Anzahl von Lasern.
DE3861549D1 (de) Verfahren und vorrichtung zur verdunstung einer loesung.
DE3850349D1 (de) Vorrichtung und Verfahren zur Leistungsüberwachung von Workstation Controllern.
DE3779242D1 (de) Verfahren und geraet zur erzeugung einer wasser-in-oel-emulsion.
DE3685277D1 (de) Vorrichtung und verfahren zur herstellung von durchbrochenen vliesstoffen.
DE3688527T2 (de) Verfahren und vorrichtung zur behandlung einer flüssigkeit.
DE3880451D1 (de) Verfahren und vorrichtung zur faserherstellung.
DE68908809D1 (de) Verfahren und vorrichtung zur führung einer notevakuierung.
DE3750808T2 (de) Verfahren und Vorrichtung zur Ionenätzung.
DE3682381D1 (de) Verfahren und vorrichtung zur kontrolle einer oberflaeche.
DE3853550D1 (de) Verfahren und Vorrichtung zur Spezifikation von Kommunikationsparametern.
DE3851514D1 (de) Verfahren und Vorrichtung zur überprüfung der Zustände einer Maschine.
DE3885284T2 (de) Verfahren und vorrichtung zur bildung von tropfen.
DE3771764D1 (de) Verfahren und vorrichtung zur abscheidung von komponenten aus einer suspension.
DE3866777D1 (de) Verfahren und vorrichtung zum kontrollierten abbau einer aerosolwolke.
DE68926031D1 (de) Verfahren und Vorrichtung zur Entfernung von Unterfarben
DE68919003D1 (de) Verfahren und Vorrichtung zur Stabilisierung des Oszillations-Frequenz-Unterschiedes einer Anzahl von Lasergeräten.
DE3878681T2 (de) Verfahren und vorrichtung zur behandlung einer oberflaeche.
DE3677876D1 (de) Verfahren und vorrichtung zum entfernen von vorgarnresten an vorgarnspulen.
DE68910129D1 (de) Vorrichtung und verfahren zur beseitigung von leichtem material aus einer fasersuspension.
DE3676699D1 (de) Verfahren und vorrichtung zur trennung von mehrphasigen systemen.
DE3579265D1 (de) Vorrichtung und verfahren zur reinigung von greifereinrichtungen.
DE3784494D1 (de) Verfahren und vorrichtung zum aufwickeln von lichtleitfasern.
DE3853503T2 (de) Verfahren und Vorrichtung zur Instandhaltung von Duplexpaarverteilten Geräten mittels einer Doppelkopiefunktion.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition