DE69330531T2 - Kaskadenförmiges optisches modulationssystem mit höher linearität - Google Patents

Kaskadenförmiges optisches modulationssystem mit höher linearität

Info

Publication number
DE69330531T2
DE69330531T2 DE69330531T DE69330531T DE69330531T2 DE 69330531 T2 DE69330531 T2 DE 69330531T2 DE 69330531 T DE69330531 T DE 69330531T DE 69330531 T DE69330531 T DE 69330531T DE 69330531 T2 DE69330531 T2 DE 69330531T2
Authority
DE
Germany
Prior art keywords
modulation system
optical modulation
high linearity
cascaded optical
cascaded
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
DE69330531T
Other languages
English (en)
Other versions
DE69330531D1 (de
Inventor
Moshe Nazarathy
Yishai Kagan
Yaron Simler
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.)
Harmonic Inc
Original Assignee
Harmonic Inc
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 Harmonic Inc filed Critical Harmonic Inc
Application granted granted Critical
Publication of DE69330531D1 publication Critical patent/DE69330531D1/de
Publication of DE69330531T2 publication Critical patent/DE69330531T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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 
    • G02F1/21—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
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3136—Digital deflection, i.e. optical switching in an optical waveguide structure of interferometric switch type
    • 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
    • G02F2201/16—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 series; tandem
    • 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
    • G02F2203/19—Function characteristic linearised modulation; reduction of harmonic distortions
DE69330531T 1992-09-02 1993-08-27 Kaskadenförmiges optisches modulationssystem mit höher linearität Expired - Fee Related DE69330531T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/939,940 US5278923A (en) 1992-09-02 1992-09-02 Cascaded optical modulation system with high linearity
PCT/US1993/008117 WO1994006042A1 (en) 1992-09-02 1993-08-27 Cascaded optical modulation system with high linearity

Publications (2)

Publication Number Publication Date
DE69330531D1 DE69330531D1 (de) 2001-09-06
DE69330531T2 true DE69330531T2 (de) 2002-05-23

Family

ID=25473968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69330531T Expired - Fee Related DE69330531T2 (de) 1992-09-02 1993-08-27 Kaskadenförmiges optisches modulationssystem mit höher linearität

Country Status (6)

Country Link
US (1) US5278923A (de)
EP (1) EP0728325B1 (de)
JP (1) JPH08500683A (de)
DE (1) DE69330531T2 (de)
IL (1) IL106837A (de)
WO (1) WO1994006042A1 (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670589B1 (fr) * 1990-12-14 1994-04-15 Thomson Csf Dispositif de modulation electrooptique integre.
FR2678455B1 (fr) * 1991-06-27 1993-09-03 Thomson Csf Dispositif de modulation electrooptique integre.
JP2791856B2 (ja) * 1994-05-12 1998-08-27 株式会社トーキン 電界センサ
US5495359A (en) * 1994-07-07 1996-02-27 Ael Industries, Inc. Variable sensitivity compensation network for Mach-Zender optical modulator
US5615037A (en) * 1995-01-17 1997-03-25 Massachusetts Institute Of Technology Sub-octave bandpass optical remote antenna link modulator and method therefor
US5710653A (en) * 1995-03-06 1998-01-20 Fiber Optic Network Solutions Corp. Linear multi-output optical transmitter system
US5875048A (en) * 1995-03-06 1999-02-23 Cfx Communication Systems,Llc Linear multi-output optical transmitter system
US5751867A (en) * 1996-01-26 1998-05-12 Hughes Aircraft Company Polarization-insensitive, electro-optic modulator
US5953139A (en) * 1996-03-06 1999-09-14 Cfx Communications Systems, Llc Wavelength division multiplexing system
US5671302A (en) * 1996-03-29 1997-09-23 Crystal Technology, Inc. Linearized optic modulator with segmented electrodes
US5781327A (en) * 1996-08-19 1998-07-14 Trw Inc. Optically efficient high dynamic range electro-optic modulator
US5963352A (en) * 1997-02-21 1999-10-05 Scientific-Atlanta, Inc. Linearization enhanced operation of single-stage and dual-stage electro-optic modulators
US6091864A (en) * 1997-04-10 2000-07-18 Ortel Corporation Linear optical modulator for providing chirp-free optical signals
US6204951B1 (en) * 1997-05-21 2001-03-20 Keotrel Solutions, Inc. Electro-optic modulator with improved harmonic performance
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
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
US5970185A (en) * 1997-10-31 1999-10-19 Northern Telecom Limited Optical switches, modulators and transmitters
US6529305B1 (en) 1998-11-04 2003-03-04 Corvis Corporation Optical transmission apparatuses, methods, and systems
US6292598B1 (en) * 1998-11-04 2001-09-18 Corvis Corporation Optical transmission apparatuses, methods, and systems
US6118566A (en) * 1998-11-04 2000-09-12 Corvis Corporation Optical upconverter apparatuses, methods, and systems
US6222965B1 (en) * 1999-07-08 2001-04-24 Agere Systems Opto Electronics Guardian Inc. Bias control system for electrooptic devices
US6510255B2 (en) * 1999-12-24 2003-01-21 Matsushita Electric Industrial Co., Ltd. Optical transmission apparatus
US6324333B1 (en) * 2000-11-30 2001-11-27 Henry H. Hung Common light source for testing optical circuits
US20020080454A1 (en) * 2000-12-26 2002-06-27 Schemmann Marcel F.C. Method, system and apparatus for optically transferring information
US20020141027A1 (en) * 2001-02-20 2002-10-03 Lagasse Michael J. Variable pulse width optical pulse generation with superposed multiple frequency drive
FR2824152B1 (fr) * 2001-04-27 2004-01-30 Cit Alcatel Emetteur optique comprenant un modulateur compose d'une pluralite d'elements de modulation
WO2003012535A1 (en) * 2001-07-27 2003-02-13 Axe, Inc. Optical pulse generator with single frequency drive
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
JP3974792B2 (ja) * 2002-02-07 2007-09-12 富士通株式会社 光導波路デバイス及び光デバイス
US7142788B2 (en) 2002-04-16 2006-11-28 Corvis Corporation Optical communications systems, devices, and methods
US7616233B2 (en) 2003-06-26 2009-11-10 Fotonation Vision Limited Perfecting of digital image capture parameters within acquisition devices using face detection
US8682097B2 (en) * 2006-02-14 2014-03-25 DigitalOptics Corporation Europe Limited Digital image enhancement with reference images
US9692964B2 (en) 2003-06-26 2017-06-27 Fotonation Limited Modification of post-viewing parameters for digital images using image region or feature information
US7574016B2 (en) 2003-06-26 2009-08-11 Fotonation Vision Limited Digital image processing using face detection information
US8330831B2 (en) * 2003-08-05 2012-12-11 DigitalOptics Corporation Europe Limited Method of gathering visual meta data using a reference image
US7620218B2 (en) 2006-08-11 2009-11-17 Fotonation Ireland Limited Real-time face tracking with reference images
US8155397B2 (en) * 2007-09-26 2012-04-10 DigitalOptics Corporation Europe Limited Face tracking in a camera processor
US7362368B2 (en) * 2003-06-26 2008-04-22 Fotonation Vision Limited Perfecting the optics within a digital image acquisition device using face detection
US8593542B2 (en) * 2005-12-27 2013-11-26 DigitalOptics Corporation Europe Limited Foreground/background separation using reference images
US9129381B2 (en) * 2003-06-26 2015-09-08 Fotonation Limited Modification of post-viewing parameters for digital images using image region or feature information
US7440593B1 (en) 2003-06-26 2008-10-21 Fotonation Vision Limited Method of improving orientation and color balance of digital images using face detection information
US7471846B2 (en) * 2003-06-26 2008-12-30 Fotonation Vision Limited Perfecting the effect of flash within an image acquisition devices using face detection
US8948468B2 (en) * 2003-06-26 2015-02-03 Fotonation Limited Modification of viewing parameters for digital images using face detection information
US7792970B2 (en) * 2005-06-17 2010-09-07 Fotonation Vision Limited Method for establishing a paired connection between media devices
US7565030B2 (en) 2003-06-26 2009-07-21 Fotonation Vision Limited Detecting orientation of digital images using face detection information
US7844076B2 (en) * 2003-06-26 2010-11-30 Fotonation Vision Limited Digital image processing using face detection and skin tone information
US8498452B2 (en) * 2003-06-26 2013-07-30 DigitalOptics Corporation Europe Limited Digital image processing using face detection information
US7269292B2 (en) * 2003-06-26 2007-09-11 Fotonation Vision Limited Digital image adjustable compression and resolution using face detection information
US8989453B2 (en) * 2003-06-26 2015-03-24 Fotonation Limited Digital image processing using face detection information
US8896725B2 (en) 2007-06-21 2014-11-25 Fotonation Limited Image capture device with contemporaneous reference image capture mechanism
US7369714B2 (en) * 2004-05-12 2008-05-06 Massachusetts Institute Of Technology High-speed electronic carrier-injection modulator based on high-index-contrast Si-waveguide
JP4751601B2 (ja) * 2004-09-30 2011-08-17 住友大阪セメント株式会社 光変調器
JP4587762B2 (ja) * 2004-09-30 2010-11-24 住友大阪セメント株式会社 光変調素子モジュール
US8320641B2 (en) * 2004-10-28 2012-11-27 DigitalOptics Corporation Europe Limited Method and apparatus for red-eye detection using preview or other reference images
US7787778B2 (en) * 2004-12-10 2010-08-31 Ciena Corporation Control system for a polar optical transmitter
US7315631B1 (en) 2006-08-11 2008-01-01 Fotonation Vision Limited Real-time face tracking in a digital image acquisition device
US20080212968A1 (en) * 2005-06-03 2008-09-04 The Commonwealth Of Australia Photonic Link With Improved Dynamic Range
JP4552032B2 (ja) * 2005-08-31 2010-09-29 独立行政法人情報通信研究機構 高次成分を消去可能な光振幅変調システム
JP2007114307A (ja) * 2005-10-18 2007-05-10 Fujitsu Ltd チャープ切り替え回路及び光伝送システム
US8532499B2 (en) * 2005-10-25 2013-09-10 Emcore Corporation Optical transmitter with adaptively controlled optically linearized modulator
US7853155B2 (en) * 2005-12-12 2010-12-14 Emcore Corporation Method for adjusting bias in optical transmitter with external modulator
US7463802B2 (en) * 2006-01-13 2008-12-09 Emcore Corporation Integrated circuit for adjusting bias in optical transmitter with external modulator
US7522784B2 (en) * 2006-02-27 2009-04-21 Jds Uniphase Corporation Asymmetric directional coupler having a reduced drive voltage
DE602007012246D1 (de) * 2006-06-12 2011-03-10 Tessera Tech Ireland Ltd Fortschritte bei der erweiterung der aam-techniken aus grauskalen- zu farbbildern
US7916897B2 (en) * 2006-08-11 2011-03-29 Tessera Technologies Ireland Limited Face tracking for controlling imaging parameters
US7403643B2 (en) * 2006-08-11 2008-07-22 Fotonation Vision Limited Real-time face tracking in a digital image acquisition device
US8055067B2 (en) * 2007-01-18 2011-11-08 DigitalOptics Corporation Europe Limited Color segmentation
JP5092494B2 (ja) * 2007-03-29 2012-12-05 住友大阪セメント株式会社 光導波路素子、及び光導波路素子の温度クロストーク抑止方法
US7953303B2 (en) * 2007-06-15 2011-05-31 Thorlabs Quantum Electronics, Inc. Method and system for generating flat or arbitrary shaped optical frequency combs
JP5547730B2 (ja) * 2008-07-30 2014-07-16 デジタルオプティックス・コーポレイション・ヨーロッパ・リミテッド 顔検知を用いた顔及び肌の自動美化
JP5239610B2 (ja) * 2008-08-13 2013-07-17 富士通株式会社 マッハツェンダ型光変調器
WO2010021193A1 (ja) * 2008-08-22 2010-02-25 日本碍子株式会社 光変調器
JP5267105B2 (ja) * 2008-12-22 2013-08-21 富士通株式会社 光モジュール及びその製造方法、光送信器
US20100312828A1 (en) * 2009-06-03 2010-12-09 Mobixell Networks Ltd. Server-controlled download of streaming media files
US8379917B2 (en) * 2009-10-02 2013-02-19 DigitalOptics Corporation Europe Limited Face recognition performance using additional image features
US8849071B2 (en) * 2009-12-30 2014-09-30 Jds Uniphase Corporation Optical waveguide modulator
US8527649B2 (en) * 2010-03-09 2013-09-03 Mobixell Networks Ltd. Multi-stream bit rate adaptation
US8832709B2 (en) 2010-07-19 2014-09-09 Flash Networks Ltd. Network optimization
US8688074B2 (en) 2011-02-28 2014-04-01 Moisixell Networks Ltd. Service classification of web traffic
US8760752B2 (en) * 2011-03-07 2014-06-24 Alcatel Lucent Tunable optical frequency comb generator
US9069223B2 (en) 2012-02-15 2015-06-30 Teraxion Inc. Mach-Zehnder optical modulator using a balanced coplanar stripline with lateral ground planes
JP6047899B2 (ja) * 2012-03-19 2016-12-21 富士通オプティカルコンポーネンツ株式会社 光変調器
WO2014050123A1 (ja) * 2012-09-28 2014-04-03 日本電信電話株式会社 光変調回路
US20150198859A1 (en) * 2012-12-11 2015-07-16 Acacia Communications Inc. Simplified extinction ratio control for multiple mach-zehnder interferometer modulators
US9442186B2 (en) * 2013-05-13 2016-09-13 Microsoft Technology Licensing, Llc Interference reduction for TOF systems
US9329413B1 (en) * 2013-05-20 2016-05-03 Sandia Corporation Method and apparatus of highly linear optical modulation
CN105452951B (zh) * 2013-06-12 2018-10-19 康宁光电通信无线公司 电压控制式光学定向耦合器
CN105227233B (zh) * 2014-05-30 2017-11-03 北京邮电大学 基于并联不对称马赫增德干涉仪的带内光信噪比监测法
US10248002B2 (en) * 2015-03-30 2019-04-02 Nec Corporation Optical circuit, and optical switch using same
US10462452B2 (en) 2016-03-16 2019-10-29 Microsoft Technology Licensing, Llc Synchronizing active illumination cameras
JP6233480B1 (ja) * 2016-09-20 2017-11-22 富士通オプティカルコンポーネンツ株式会社 光変調器
CN107748367B (zh) * 2017-09-22 2021-07-20 北京航天计量测试技术研究所 基于互补双调制的激光测距大气扰动误差补偿方法
US11018773B1 (en) * 2018-10-26 2021-05-25 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Cascaded offset optical modulator for optical communications
WO2021050599A1 (en) * 2019-09-10 2021-03-18 HyperLight Corporation Integrated electro-optic frequency comb generator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552022A (en) * 1978-10-13 1980-04-16 Matsushita Electric Ind Co Ltd Light modulating device
US5002353A (en) * 1989-04-25 1991-03-26 Massachusetts Institute Of Technology Apparatus and method for reducing modulator nonlinearities
US5031235A (en) * 1989-10-27 1991-07-09 Hoechst Celanese Corp. Cable system incorporating highly linear optical modulator
SE467330B (sv) * 1990-10-03 1992-06-29 Ericsson Telefon Ab L M Saett att linearisera en oeverfoeringsfunktion hos en modulatoranordning samt modulatoranordning med lineariserad oeverfoeringsfunktion
US5101450A (en) * 1991-01-23 1992-03-31 Gte Laboratories Incorporated Quadrature optical phase modulators for lightwave systems
US5148503A (en) * 1991-05-29 1992-09-15 Crystal Technology, Inc Apparatus and method for linearized cascade coupled integrated optical modulator
FR2678455B1 (fr) * 1991-06-27 1993-09-03 Thomson Csf Dispositif de modulation electrooptique integre.
US5168534A (en) * 1991-12-09 1992-12-01 United Technologies Corporation Cascaded optic modulator arrangement

Also Published As

Publication number Publication date
IL106837A0 (en) 1993-12-28
EP0728325A4 (de) 1995-07-26
EP0728325B1 (de) 2001-08-01
JPH08500683A (ja) 1996-01-23
US5278923A (en) 1994-01-11
WO1994006042A1 (en) 1994-03-17
IL106837A (en) 1996-12-05
EP0728325A1 (de) 1996-08-28
DE69330531D1 (de) 2001-09-06

Similar Documents

Publication Publication Date Title
DE69330531T2 (de) Kaskadenförmiges optisches modulationssystem mit höher linearität
DE69314542D1 (de) Optischer Trennverstärker mit Sigma-Delta-Modulation
DE69204984T2 (de) Optischer Abschwächer.
NO940357L (no) Elektro-optisk modulator
DE59309409D1 (de) Lichtmodulator
DE68920541D1 (de) Optischer Modulator.
DE69025481D1 (de) Optischer Modulator
DE69216811D1 (de) Optischer Isolator
DE69417986D1 (de) Optisches Abzweigelement
GB2243456B (en) Optical modulator and optical communication system utilizing the same
DE69415768D1 (de) Optisches Abzweigelement
DE69228371T2 (de) Optisches Plattengerät mit reduzierter Abmessung
DE69333426D1 (de) Telekommunikationsvermittlungssystem mit transparenten Funkmerkmalen
DE595358T1 (de) Optischer Plattenspieler.
DE69324283D1 (de) Optischer Isolator
DE69324879T2 (de) Optisches Übertragungssystem
DE69418508D1 (de) Optisches Plattensystem
DE69422585T2 (de) Kaskadierte Sigma-Delta-Modulatoren
DE69227644D1 (de) Optischer Modulator
DE69328281D1 (de) Optisches Übertragungssystem mit Linearisierungsschaltung
DE68909704T2 (de) Optischer Verstärker mit reduzierter Nichtlinearität.
DE69303306D1 (de) Optischer Verstärker mit verbesserter Linearität
GB2251496B (en) Low voltage optical light modulator
DE69422521T2 (de) Lichtmodulator
DE59106248D1 (de) Optischer Modulator.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee