KR950703165A - 광 변조장치(optical modulator) - Google Patents

광 변조장치(optical modulator) Download PDF

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KR950703165A
KR950703165A KR1019950700893A KR19950700893A KR950703165A KR 950703165 A KR950703165 A KR 950703165A KR 1019950700893 A KR1019950700893 A KR 1019950700893A KR 19950700893 A KR19950700893 A KR 19950700893A KR 950703165 A KR950703165 A KR 950703165A
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phase shift
optical waveguide
substrate
light
incident
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KR1019950700893A
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KR100271188B1 (ko
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유이찌 도카노
료지 무라마쯔
다까노부 다나베
쯔기오 다께다
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마쯔무라 토미히로
가부시끼가이샤 토킨
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Priority claimed from JP16815693A external-priority patent/JPH0728006A/ja
Priority claimed from JP5339978A external-priority patent/JPH07159464A/ja
Priority claimed from JP2475894A external-priority patent/JPH07218881A/ja
Application filed by 마쯔무라 토미히로, 가부시끼가이샤 토킨 filed Critical 마쯔무라 토미히로
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    • 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
    • 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
    • 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
    • G02F1/212—Mach-Zehnder 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
    • G02F2201/07—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 buffer layer
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/07—Materials and properties poled
    • 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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

기판(4)과, 상기 기판에 형성되어 광이 입사되는 입사광도파로(5)와, 기판(4)에 입사광도파로(5)로 부터 분기하여 형성되고 전계의 강도에 따라 투과광의 위상이 변화하는 2개의 위상시프트광도파로(6)와, 기판(4)에 위상시프트광도파로(6)와 합류하도록 형성되어 있는 출사광도파로(7)를 구비한다. 위상시프트광(6)의 적어도 한쪽은, 분극반전된 분극반전부분(8)은 가진다. 위상시프트광도파로(6)의 분극반전부분(8)을 가진다. 위상시프트광도파로(6)의 일부 또는 복수의 영역에 형성되어 있는 광투과막을 구비해도 좋다. 위상시프트광도파로(6)의 상부 또는 그 근방의 일부에 형성되어 있는 완충층(14)을 구비해도 좋다. 완충층(14)을 설치하지 않은 부분의 일부 또는 전부에 형성되어 위상시프트광도파로(6)에 응력을 작용시키는 투명물질막을 구비해도 좋다. 위상시프트광도파로(6)의 한쪽일부에 응력을 부여하는 응력부요부재를 구비해도 좋다. 위상시프트광도파로(6)의 한쪽의 일부 또는 전부에 광을 조사하는 광조사장치(26)를 구비해도 좋다.

Description

광 변조장치(OPTICAL MODULATOR)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광 변조장치를 도시한 전면도,
제2도는 본 발명의 다른 예를 도시한 전면도,
제5도는 본 발명의 다른 예를 도시한 사시도.

Claims (7)

  1. 기판과 상기 기판에 형성되어 광이 입사되는 입사광도파로와 상기 기판에 입사광도파로로 부터 분기하여 형성되며 전계의 강도에 따라 투과광의 위상이 변화하는 2개이 위상시프트광도파로와 상기 기판에 위상시프트광도파로와 합류하도록 형상 되어 있는 출사광도파로를 구비하며, 상기 위상시프트광도파로의 적어도 한쪽의 위상시프트광도파로는 분극반전된 분극반전 부분을 가지는 것을 특징으로 하는 광 변조장치.
  2. 광원과 상기 광원으로 부터의 광을 받는 광학장치와 이 광학장치에 전계를 인가하는 전계인가 수단을 구비하며 상기 광학장치는 기판과 상기 기판에 입사광도파로로부터 분기하여 형성되고 전계의 강도에 따라 투과광의 위상이 변화하는 2개의 위상시프트광도파로와 상기 기판에 위상시프트광도과로와 합류하도록 형성 되어 있는 출사광도파로를 구비하며, 상기 위상시프트광도파로의 적어도 한쪽의 위상시프트광도파로는 분극반전된 분극반전 부분을 가지는 것을 특징으로 하는 광 변조장치.
  3. 기판과 상기 기판에 형성되어 전계의 강도에 따라 투과광의 위상이 변화하는 광도과로와 이 광도파로상의 일부 또는 복수의 영역에 형성되어 있는 광투과막을 가지는 것을 특징으로 하는 광 변조장치.
  4. 기판과 상기 기판에 형성되어 광이 입사되는 입사광도파로와 상기 기판에 입사광도파로로 부터 분기하여 형성되고 전계의 강도에 따라 투과광의 위상이 변화하는 2개의 위상시프트광도파로와 상기 기판에 위상상시프트광도파로와 합류하도록 형성되어 있는 출사광도파로와, 상기 위상시프트광도파로의 상부 또는 그 근방의 일부에 형성되어 있는 완충층을 가지는 것을 특징으로 하는 광 변조장치.
  5. 기관과, 상기 기관에 형성되어 광이 입사되는 입사광도파로와, 상기 기판에 입사광도파로 부터 분기하여 형성되고 전계의 강도에 따라 투과광의 위상이 변화하는 2개의 위상시프트광도과로와, 상기 기판에 위상시프트광도파로와 합류되도록 형성되어 있는 출사광도파로와, 상기 위상시프트광도파로의 상부 또는 그 근방의 일부에 형성되어 있는 완충층과, 이 완충층을 설치하지 않은 부분의 일부 또는 전부에 형성되어 상기 위상시프트광도파로에 응력을 작용시키는 투명물질막을 가지는 것을 특징으로 하는 광 변조장치.
  6. 기판과, 상기 기판에 형성되어 광이 입사되는 입사광도파르와, 상기 기판에 입사광도파로 부터 분기하여 형성되과 전계의 강도에 따라 투과광의 위상이 변화하는 2개의 위상샤프트광도파로와, 상기 기관에 위상시프트광도파로와 합류하도록 형성되어 있는 출사광도파로를 구비하며, 상기 위상시프트광도파로중의 한쪽에 응력을 부여하는 응력부여수단을 가지는 것을 특징으로 하는 광 변조장치.
  7. 기판과, 상기 기판에 형성되어 광이 입사되는 압사광도파로와, 상기 기판에 입사광도파로로 부터 분기하여 전계의 강도에 따라 투과광의 위상이 변화 하는 2개의 위상시프트광도파로와, 상기 위상시프트광도파로중의 한쪽의 일부 또는 전부에 광을 조사하는 광조사장치를 가지는 것을 특징으로 하는 광 변조장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950700893A 1993-07-07 1994-07-07 광 변조장치(optical modulator) KR100271188B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP1993-168156 1993-07-07
JP16815693A JPH0728006A (ja) 1993-07-07 1993-07-07 光学バイアス調整方法及び導波路型光変調デバイス並びに導波光への位相差付与方法
JP1993-339978 1993-12-06
JP5339978A JPH07159464A (ja) 1993-12-06 1993-12-06 光電界センサの光学バイアス調整方法
JP2475894A JPH07218881A (ja) 1994-01-26 1994-01-26 導波路型光変調デバイスおよびバイアス調整方法
JP1994-24758 1994-01-26
PCT/JP1994/001103 WO1995002205A1 (fr) 1993-07-07 1994-07-07 Modulateur optique

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Publication Number Publication Date
KR950703165A true KR950703165A (ko) 1995-08-23
KR100271188B1 KR100271188B1 (ko) 2000-11-01

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EP (1) EP0658793A4 (ko)
KR (1) KR100271188B1 (ko)
CN (1) CN1042368C (ko)
CA (1) CA2144087C (ko)
WO (1) WO1995002205A1 (ko)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0171017B1 (ko) * 1995-12-21 1999-03-20 양승택 후기 광표백에 의해 초기 상태가 조절되는 마하 젠더 간섭계형 고분자 전기광학 변조기
US5867615A (en) * 1997-07-22 1999-02-02 The United States Of America As Represented By The Secretary Of The Air Force Compact straight channel fiber optic intensity modular
JPH11231358A (ja) * 1998-02-19 1999-08-27 Nec Corp 光回路及びその製造方法
US6226423B1 (en) * 1998-09-11 2001-05-01 Ngk Insulators, Ltd. Optical waveguide element
US6252557B1 (en) * 1999-09-30 2001-06-26 Lockheed Martin Corporation Photonics sensor array for wideband reception and processing of electromagnetic signals
US6522462B2 (en) 2001-06-29 2003-02-18 Super Light Wave Corp. All optical logic using cross-phase modulation amplifiers and mach-zehnder interferometers with phase-shift devices
JP3936256B2 (ja) * 2002-07-18 2007-06-27 富士通株式会社 光半導体装置
JP3640390B2 (ja) * 2002-09-12 2005-04-20 住友大阪セメント株式会社 光変調器
TW583399B (en) * 2002-12-31 2004-04-11 Ind Tech Res Inst An optical sensor for electromagnetic field
JP2006126796A (ja) * 2004-09-28 2006-05-18 Aisin Seiki Co Ltd マッハツェンダ型光変調器の駆動方法及び光変調装置
JP4762679B2 (ja) * 2005-11-02 2011-08-31 住友大阪セメント株式会社 光変調器
US7898464B1 (en) 2006-04-11 2011-03-01 Lockheed Martin Corporation System and method for transmitting signals via photonic excitation of a transmitter array
WO2008117449A1 (ja) * 2007-03-27 2008-10-02 Fujitsu Limited 光デバイス
JP4733094B2 (ja) * 2007-09-28 2011-07-27 住友大阪セメント株式会社 光素子
US8731410B2 (en) * 2007-10-02 2014-05-20 Luxtera, Inc. Method and system for split voltage domain receiver circuits
JP4544541B2 (ja) * 2007-11-01 2010-09-15 住友大阪セメント株式会社 光変調器
JP2010008763A (ja) * 2008-06-27 2010-01-14 Mitsubishi Electric Corp 光変調デバイス及び光半導体装置
US9318785B2 (en) * 2011-09-29 2016-04-19 Broadcom Corporation Apparatus for reconfiguring an integrated waveguide
US9570420B2 (en) 2011-09-29 2017-02-14 Broadcom Corporation Wireless communicating among vertically arranged integrated circuits (ICs) in a semiconductor package
JP2013140328A (ja) * 2011-12-06 2013-07-18 Ricoh Co Ltd 光学装置、光偏向装置及び光変調装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5323090B2 (ko) * 1973-01-24 1978-07-12
JPS5390747A (en) * 1977-01-21 1978-08-09 Nippon Telegr & Teleph Corp <Ntt> Polarization inversion type light modulator
JPS62144378A (ja) * 1985-12-18 1987-06-27 Sony Corp 分布帰還覆半導体レ−ザ−
US4877298A (en) * 1987-02-26 1989-10-31 Hoechst Celanese Corporation Thin film waveguide electrooptic modulator
EP0394219B1 (de) * 1987-06-04 1992-01-15 LUKOSZ, Walter Optisches modulations- und mess-verfahren
JP2658387B2 (ja) * 1989-04-28 1997-09-30 日本電気株式会社 光変調器とその駆動方法および光変調器駆動装置
US4936645A (en) * 1989-08-24 1990-06-26 Hoechst Celanese Corp. Waveguide electrooptic light modulator with low optical loss
JPH03189616A (ja) * 1989-12-19 1991-08-19 Fujitsu Ltd 導波路型光変調器の動作安定化方法
JPH03257423A (ja) * 1990-03-08 1991-11-15 Fujitsu Ltd 導波路型光変調器の動作点トリミング方法
US5267336A (en) * 1992-05-04 1993-11-30 Srico, Inc. Electro-optical sensor for detecting electric fields
EP0576969A1 (de) * 1992-07-01 1994-01-05 Siemens Aktiengesellschaft Verfahren und Einrichtung zum Einbringen eines Biegekopplers in seine Koppelposition

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CA2144087A1 (en) 1995-01-19
CA2144087C (en) 2004-03-23
WO1995002205A1 (fr) 1995-01-19
EP0658793A1 (en) 1995-06-21
US5815610A (en) 1998-09-29
CN1042368C (zh) 1999-03-03
US5638468A (en) 1997-06-10
EP0658793A4 (en) 1995-11-29
KR100271188B1 (ko) 2000-11-01
CN1111919A (zh) 1995-11-15

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