DE69428970D1 - Optischer Modulator mit steuerbarem "Chirp" - Google Patents

Optischer Modulator mit steuerbarem "Chirp"

Info

Publication number
DE69428970D1
DE69428970D1 DE69428970T DE69428970T DE69428970D1 DE 69428970 D1 DE69428970 D1 DE 69428970D1 DE 69428970 T DE69428970 T DE 69428970T DE 69428970 T DE69428970 T DE 69428970T DE 69428970 D1 DE69428970 D1 DE 69428970D1
Authority
DE
Germany
Prior art keywords
chirp
controllable
optical modulator
modulator
optical
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
DE69428970T
Other languages
English (en)
Other versions
DE69428970T2 (de
Inventor
Minoru Seino
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69428970D1 publication Critical patent/DE69428970D1/de
Publication of DE69428970T2 publication Critical patent/DE69428970T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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 
    • G02F1/03—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  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/035—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  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect in an optical 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
    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/604—Polarised screens
    • 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
    • G02F2203/25—Frequency chirping of an optical modulator; Arrangements or methods for the pre-set or tuning thereof
DE69428970T 1993-12-28 1994-06-30 Optischer Modulator mit steuerbarem "Chirp" Expired - Lifetime DE69428970T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33722293A JP3490486B2 (ja) 1993-12-28 1993-12-28 光変調器

Publications (2)

Publication Number Publication Date
DE69428970D1 true DE69428970D1 (de) 2001-12-13
DE69428970T2 DE69428970T2 (de) 2002-04-04

Family

ID=18306596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428970T Expired - Lifetime DE69428970T2 (de) 1993-12-28 1994-06-30 Optischer Modulator mit steuerbarem "Chirp"

Country Status (5)

Country Link
US (1) US5408544A (de)
EP (1) EP0661577B1 (de)
JP (1) JP3490486B2 (de)
KR (1) KR0136969B1 (de)
DE (1) DE69428970T2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4230932A1 (de) * 1992-09-16 1994-06-16 Deutsche Aerospace Einrichtung für die Erzeugung von Rückkopplungssignalen zur Regelung optischer Überwachungskreise (PLL)
US5524076A (en) * 1994-01-28 1996-06-04 Northern Telecom Limited Chirp control of a Mach-Zehnder optical modulator using non-equal power splitting
JP2825056B2 (ja) * 1994-02-24 1998-11-18 日本電気株式会社 光制御デバイス
GB2315129B (en) * 1995-05-18 1999-03-17 Integrated Optical Components Integrated optical modulators
GB9510051D0 (en) * 1995-05-18 1995-07-12 Integrated Optical Components Integrated optical modulators
KR0171017B1 (ko) * 1995-12-21 1999-03-20 양승택 후기 광표백에 의해 초기 상태가 조절되는 마하 젠더 간섭계형 고분자 전기광학 변조기
US5787211A (en) * 1996-04-03 1998-07-28 General Instrument Corporation Of Delaware Optical modulator for CATV systems
US5611005A (en) * 1996-04-26 1997-03-11 Lucent Technologies, Inc. High-speed polarization scrambler with adjustable chirp
JP3043614B2 (ja) * 1996-05-10 2000-05-22 日本電気株式会社 導波路型光デバイス
JPH10206661A (ja) * 1997-01-28 1998-08-07 Fujitsu Ltd 偏波スクランブラ及びそれを用いた光集積回路
US6091864A (en) * 1997-04-10 2000-07-18 Ortel Corporation Linear optical modulator for providing chirp-free optical signals
US6239897B1 (en) * 1997-06-12 2001-05-29 Scientific-Atlanta, Inc. Chirp-controlled optical modulator and method of controlling chirp in the modulation of an optical signal
JPH1152313A (ja) * 1997-08-08 1999-02-26 Mitsubishi Electric Corp 光変調装置
US6064788A (en) * 1997-08-14 2000-05-16 Lucent Technologies Inc. Adiabatic Y-branch modulator with negligible chirp
CA2301155A1 (en) * 1997-08-18 1999-02-25 Sergio Bosso Narrow-band optical modulator with reduced power requirement
JP3820009B2 (ja) * 1997-09-26 2006-09-13 富士通株式会社 光変調器および光変調方法
JP3337980B2 (ja) * 1998-06-29 2002-10-28 沖電気工業株式会社 光送信器及び光伝送システム
US6222966B1 (en) * 1998-12-29 2001-04-24 Lucent Technologies Inc. Adiabatic Y-branch waveguide having controllable chirp
JP4094761B2 (ja) 1999-03-01 2008-06-04 富士通株式会社 光変調装置、復調装置、その方法、光送信機及び光受信機
AU7123600A (en) * 1999-09-10 2001-04-10 Nanovation Technologies, Inc. Mach-zehnder interferometer with a ring resonator
US6330098B1 (en) 1999-10-06 2001-12-11 Codeon Corporation Apparatus for externally modulating two optical channels at the same time
US6381379B1 (en) 2000-02-10 2002-04-30 Codeon Corporation Optical modulator having coplanar electrodes for controlling chirp
US6393166B1 (en) * 2000-03-27 2002-05-21 Codeon Corporation Variable chirp modulator having three arm interferometer
GB0008536D0 (en) * 2000-04-06 2000-05-24 Marconi Caswell Ltd Optical modulator with selectable frequency chirp
GB2375614B (en) * 2000-04-06 2003-07-16 Bookham Technology Plc Optical modulator with pre-determined frequency chirp
US6429959B1 (en) 2000-11-03 2002-08-06 Codeon Corporation Low-loss electrode structures for optical modulation applications
GB2370369B (en) * 2000-12-21 2004-07-14 Nortel Networks Ltd Optical Modulators
KR100358181B1 (ko) * 2000-12-22 2002-10-25 한국전자통신연구원 열광학 가변 광감쇄기
US6493127B2 (en) 2001-01-11 2002-12-10 Codeon Corporation Modulation systems using dual channel optical modulators
US6504640B2 (en) 2001-02-12 2003-01-07 Codeon Corporation Resonant optical modulators with zero chirp
US6646781B2 (en) 2001-02-13 2003-11-11 Codeon Corporation Loss prevention structures for optical modulation applications
US6760493B2 (en) * 2001-06-28 2004-07-06 Avanex Corporation Coplanar integrated optical waveguide electro-optical modulator
US6643046B2 (en) 2001-09-26 2003-11-04 Kabushiki Kaisha Toshiba Apparatus and method for optical modulation
US6795595B2 (en) * 2001-10-09 2004-09-21 Codeon Corporation Optical modulator with programmable chirp
US6999678B2 (en) * 2001-11-01 2006-02-14 Pts Corporation Adaptive method for chirping an optical data signal
JP3851825B2 (ja) * 2002-02-07 2006-11-29 富士通株式会社 光変調器モジュールおよび光変調器
JP4574187B2 (ja) * 2004-02-20 2010-11-04 富士通株式会社 光同期装置
EP1596246B1 (de) 2004-05-13 2016-12-14 Fujitsu Limited Optischer Halbleiter-Modulator und optisches Modulationsverfahren
US20060263097A1 (en) * 2005-05-23 2006-11-23 Fujitsu Limited Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
JP4922594B2 (ja) 2005-05-23 2012-04-25 富士通株式会社 光送信装置、光受信装置、およびそれらを含む光通信システム
JP4657860B2 (ja) 2005-09-16 2011-03-23 富士通株式会社 光送信装置および光通信システム
WO2009004683A1 (ja) * 2007-06-29 2009-01-08 Fujitsu Limited 光変調器および波長チャープ切替方法
DE102007040712B4 (de) * 2007-08-23 2014-09-04 Seereal Technologies S.A. Elektronisches Anzeigegerät und Vorrichtung zur Ansteuerung von Pixeln eines Displays
US8442361B1 (en) * 2008-11-19 2013-05-14 Lockheed Martin Corporation Apparatus and method of linearization in an optical modulator
JP2011069911A (ja) * 2009-09-24 2011-04-07 Sumitomo Electric Ind Ltd 変調光を生成する方法、マッハツェンダ型光変調半導体素子、及び、光変調装置
US8280201B2 (en) * 2009-12-08 2012-10-02 COGO Oprtonics, Inc. Traveling wave Mach-Zehnder optical device
CN106033154A (zh) * 2015-12-02 2016-10-19 派尼尔科技（天津）有限公司 一种基于马赫-曾德干涉的硅基铌酸锂薄膜光调制器
US10591801B2 (en) * 2016-04-21 2020-03-17 Tdk Corporation Optical modulator
KR102010911B1 (ko) 2017-10-17 2019-08-14 한철 상부벽장용 보관케이스의 리프트 위치변환장치
KR20190042968A (ko) 2017-10-17 2019-04-25 한철 상부 벽장용 선반의 리프트 인출장치
US11209714B2 (en) 2019-07-17 2021-12-28 Lawrence Livermore National Security, Llc Radio frequency passband signal generation using photonics
US11444690B2 (en) 2019-07-17 2022-09-13 Lawrence Livermore National Security, Llc Timing measurement apparatus
US11159241B2 (en) 2019-07-18 2021-10-26 Lawrence Livermore National Security, Llc High power handling digitizer using photonics
US11032628B2 (en) 2019-07-19 2021-06-08 Lawrence Livermore National Security, Llc Electronic demodulation of optically phase demodulated signals
US11184087B2 (en) 2019-08-08 2021-11-23 Lawrence Livermore National Security, Llc Optical encoder devices and systems
CN113014323B (zh) 2019-12-20 2024-02-09 光联通讯技术有限公司美国分部 光传送装置及光通信系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6313017A (ja) * 1986-07-03 1988-01-20 Nec Corp 光振幅位相変調器
JP2679223B2 (ja) * 1989-03-14 1997-11-19 富士通株式会社 光変調方法及び光変調器
CA2011954C (en) * 1989-03-14 1994-02-22 Hiroshi Hamano Optical modulator
US5208697A (en) * 1990-03-30 1993-05-04 Hughes Aircraft Company Microwave frequency range electro-optic modulator with efficient input coupling and smooth wideband frequency response
JP2946630B2 (ja) * 1990-05-08 1999-09-06 富士通株式会社 光変調器
FR2670589B1 (fr) * 1990-12-14 1994-04-15 Thomson Csf Dispositif de modulation electrooptique integre.
US5278924A (en) * 1993-02-04 1994-01-11 Hughes Aircraft Company Periodic domain reversal electro-optic modulator

Also Published As

Publication number Publication date
EP0661577A3 (de) 1995-11-29
KR950019873A (ko) 1995-07-24
EP0661577B1 (de) 2001-11-07
JP3490486B2 (ja) 2004-01-26
US5408544A (en) 1995-04-18
KR0136969B1 (ko) 1998-04-28
DE69428970T2 (de) 2002-04-04
JPH07199133A (ja) 1995-08-04
EP0661577A2 (de) 1995-07-05

Similar Documents

Publication Publication Date Title
DE69428970D1 (de) Optischer Modulator mit steuerbarem "Chirp"
NO940357D0 (no) Elektro-optisk modulator
DE59309409D1 (de) Lichtmodulator
DE69424604T2 (de) Räumliche Lichtmodulation
DE69411789T2 (de) Optischer Wellenleiter
DE69330735D1 (de) Optisch adressierter räumlicher Lichtmodulator
EP0480231A3 (en) Optical reflective modulator
DE69426796T2 (de) Lichtmodulator mit Elektroabsorption
DE69418737D1 (de) Antiresonnater Fabry-Perot-P-I-N-Modulator
DE69227644T2 (de) Optischer Modulator
DE69323330T2 (de) Raeumlicher lichtmodulator
FR2701574B1 (fr) Modulateur semi-conducteur d'intensité de lumière.
GB2270173B (en) Optical modulator
DE69317339D1 (de) Räumlicher Lichtmodulator
DE69427178D1 (de) Modulatoren
FI932102A0 (fi) Optisk bandkabel
DE69425871D1 (de) Optischer Schalter mit räumlichem Lichtmodulator
GB9003756D0 (en) Optical modulator
DE69422521T2 (de) Lichtmodulator
GB9309777D0 (en) Spartial light modulators
DE69312650D1 (de) Räumlicher Lichtmodulator
GB9208560D0 (en) Optical modulators
SE9202909D0 (sv) Ljusmodulator
EP0455020A3 (en) Optical modulator
GB9314816D0 (en) Light modulator

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE