DE69221839T2 - Optischer Sender mit optischem Modulator - Google Patents

Optischer Sender mit optischem Modulator

Info

Publication number
DE69221839T2
DE69221839T2 DE69221839T DE69221839T DE69221839T2 DE 69221839 T2 DE69221839 T2 DE 69221839T2 DE 69221839 T DE69221839 T DE 69221839T DE 69221839 T DE69221839 T DE 69221839T DE 69221839 T2 DE69221839 T2 DE 69221839T2
Authority
DE
Germany
Prior art keywords
optical
transmitter
modulator
optical modulator
optical transmitter
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
DE69221839T
Other languages
English (en)
Other versions
DE69221839D1 (de
Inventor
Hiroshi Nishimoto
Takatoshi Minami
Hironao Hakogi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 claimed from JP30289391A external-priority patent/JP3167383B2/ja
Priority claimed from JP32203391A external-priority patent/JPH05158004A/ja
Priority claimed from JP4027755A external-priority patent/JP2630536B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69221839D1 publication Critical patent/DE69221839D1/de
Publication of DE69221839T2 publication Critical patent/DE69221839T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50575—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulator DC bias
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/21—Devices 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
    • G02F1/225—Devices 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 in an optical waveguide structure
    • 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
    • H04B10/505—Laser transmitters using external modulation
    • 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
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50577—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the phase of the modulating signal
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/21—Devices 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
    • G02F1/225—Devices 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 in an optical waveguide structure
    • G02F1/2255—Devices 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 in an optical waveguide structure controlled by a high-frequency electromagnetic component in an electric waveguide structure
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/20—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 delay line
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F2203/00—Function characteristic
    • G02F2203/20—Intrinsic phase difference, i.e. optical bias, of an optical modulator; Methods for the pre-set thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F2203/00—Function characteristic
    • G02F2203/21—Thermal instability, i.e. DC drift, of an optical modulator; Arrangements or methods for the reduction thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
DE69221839T 1991-11-19 1992-11-19 Optischer Sender mit optischem Modulator Expired - Lifetime DE69221839T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30289391A JP3167383B2 (ja) 1991-11-19 1991-11-19 光送信機
JP32203391A JPH05158004A (ja) 1991-12-05 1991-12-05 光変調器
JP4027755A JP2630536B2 (ja) 1992-02-14 1992-02-14 光送信装置

Publications (2)

Publication Number Publication Date
DE69221839D1 DE69221839D1 (de) 1997-10-02
DE69221839T2 true DE69221839T2 (de) 1998-01-29

Family

ID=27285937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221839T Expired - Lifetime DE69221839T2 (de) 1991-11-19 1992-11-19 Optischer Sender mit optischem Modulator

Country Status (4)

Country Link
US (1) US5359449A (de)
EP (2) EP0725299A3 (de)
CA (1) CA2083219C (de)
DE (1) DE69221839T2 (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
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USRE36088E (en) * 1990-03-01 1999-02-09 Fujitsu Limited Optical transmitter
JP3226067B2 (ja) * 1992-10-03 2001-11-05 キヤノン株式会社 光通信方法及び光通信システム
US5515195A (en) * 1993-06-25 1996-05-07 Optivision Incorporated Optical bus using controllable optical devices
US5621839A (en) * 1993-08-26 1997-04-15 Ngk Insulators, Ltd. Optical waveguide device having substrate made of ferroelectric crystals
JPH07131421A (ja) * 1993-11-01 1995-05-19 Hitachi Ltd 光増幅装置と光伝送装置およびその制御方法と監視情報転送方法
DE4342184A1 (de) * 1993-12-10 1995-06-14 Sel Alcatel Ag Optischer Sender mit linearisierendem Netzwerk
JPH07294860A (ja) * 1994-04-25 1995-11-10 Fuji Photo Film Co Ltd 電気光学光変調装置
US5617500A (en) * 1994-05-20 1997-04-01 Nikon Corporation System for detecting an optical information and scanning microscope system
JPH0815556A (ja) * 1994-06-29 1996-01-19 Shin Etsu Chem Co Ltd 広帯域光ファイバカプラおよびその製造方法
JP3499605B2 (ja) * 1994-09-07 2004-02-23 株式会社東芝 光外部強度変調器
EP0701338B1 (de) * 1994-09-12 2003-07-23 Nippon Telegraph And Telephone Corporation Intensitätsmoduliertes optisches Übertragungssystem
JP2677234B2 (ja) * 1995-03-17 1997-11-17 日本電気株式会社 光変調装置
JP3345214B2 (ja) * 1995-03-20 2002-11-18 ケイディーディーアイ株式会社 短光パルス変調方法およびその装置
JPH08262382A (ja) * 1995-03-28 1996-10-11 Ando Electric Co Ltd 光変調装置
FR2740285B1 (fr) * 1995-10-23 1997-11-21 Alcatel Submarcom Dispositif de modulation d'amplitude a modulateur a electro-absorption
US5647029A (en) * 1995-11-27 1997-07-08 Lucent Technologies Inc. Traveling wave quantum well waveguide modulators using velocity matching for improved frequency performance
JPH09181682A (ja) * 1995-12-26 1997-07-11 Fujitsu Ltd 光変調器の駆動回路及び光送信機
JP3603238B2 (ja) * 1996-03-19 2004-12-22 富士通株式会社 時分割光多重化装置
US5907426A (en) * 1996-06-28 1999-05-25 Kabushiki Kaisha Toyota Chuo Kenkyusho Stabilizing device for optical modulator
JP2820138B2 (ja) * 1996-11-26 1998-11-05 日本電気株式会社 光変調装置
FR2756440B1 (fr) * 1996-11-28 1998-12-31 Alsthom Cge Alcatel Dispositif d'emission de donnees optiques
AU5311198A (en) 1996-12-23 1998-07-17 Dsc Communications A/S A method and an apparatus for modulating light in a modulator circuit comprisinga mach-zehnder modulator
US5999667A (en) * 1997-02-27 1999-12-07 Pirelli Cavi E Sistemi S.P.A. Method for reducing rejects in the manufacture of integrated optical components
US6091864A (en) * 1997-04-10 2000-07-18 Ortel Corporation Linear optical modulator for providing chirp-free optical signals
US5870512A (en) 1997-05-30 1999-02-09 Sdl, Inc. Optimized interferometrically modulated array source
SE522272C2 (sv) 1997-08-20 2004-01-27 Ericsson Telefon Ab L M Optiskt duobinärt sändarsystem och förfarande som använder optisk intensitetsmodulering
JP3913856B2 (ja) * 1997-08-28 2007-05-09 富士通株式会社 光パルス生成装置、分散測定装置、分散補償装置及び分散測定方法
FR2787593B1 (fr) * 1998-12-17 2001-02-02 Cit Alcatel Modulateur de type mach-zehnder presentant un taux d'extinction tres eleve
JP2000241778A (ja) 1999-02-19 2000-09-08 Fujitsu Ltd 光通信装置および光分岐・挿入装置
US7127172B1 (en) 1999-06-02 2006-10-24 Massachusetts Institute Of Technology Optical frequency filter
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JP3806043B2 (ja) * 2002-02-07 2006-08-09 富士通株式会社 光導波路デバイス
JP3764686B2 (ja) * 2002-02-07 2006-04-12 日本電信電話株式会社 光送信回路
JP3881270B2 (ja) * 2002-03-26 2007-02-14 富士通株式会社 光変調器の駆動制御装置および駆動制御方法
JP3883919B2 (ja) * 2002-07-16 2007-02-21 富士通株式会社 状態検出機能を備えた光送信装置
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JP4234117B2 (ja) * 2005-07-07 2009-03-04 アンリツ株式会社 光変調器
JP4422661B2 (ja) * 2005-08-31 2010-02-24 富士通株式会社 差動４位相偏移変調器の駆動電圧設定方法
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Also Published As

Publication number Publication date
CA2083219A1 (en) 1993-05-20
CA2083219C (en) 1999-01-05
EP0725299A3 (de) 1996-10-23
US5359449A (en) 1994-10-25
EP0547394A2 (de) 1993-06-23
EP0547394A3 (en) 1993-09-01
DE69221839D1 (de) 1997-10-02
EP0725299A2 (de) 1996-08-07
EP0547394B1 (de) 1997-08-27

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