KR970028641A - 광신호 스위치 소자 - Google Patents

광신호 스위치 소자 Download PDF

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Publication number
KR970028641A
KR970028641A KR1019950041514A KR19950041514A KR970028641A KR 970028641 A KR970028641 A KR 970028641A KR 1019950041514 A KR1019950041514 A KR 1019950041514A KR 19950041514 A KR19950041514 A KR 19950041514A KR 970028641 A KR970028641 A KR 970028641A
Authority
KR
South Korea
Prior art keywords
optical
waveguides
coupling
pair
light passing
Prior art date
Application number
KR1019950041514A
Other languages
English (en)
Other versions
KR100204026B1 (ko
Inventor
한선규
김혜영
이명현
이형종
원용협
Original Assignee
양승택
한국전자통신연구원
이준
한국전기통신공사
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 양승택, 한국전자통신연구원, 이준, 한국전기통신공사 filed Critical 양승택
Priority to KR1019950041514A priority Critical patent/KR100204026B1/ko
Priority to NL1004504A priority patent/NL1004504C2/nl
Priority to US08/747,766 priority patent/US5828796A/en
Publication of KR970028641A publication Critical patent/KR970028641A/ko
Application granted granted Critical
Publication of KR100204026B1 publication Critical patent/KR100204026B1/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • G02B6/125—Bends, branchings or intersections
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133—Functions
    • G02B2006/12145—Switch
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133—Functions
    • G02B2006/12147—Coupler
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133—Functions
    • G02B2006/12159—Interferometer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

본 발명은 한 쌍의 광 도파로(41, 42)를 구비하는 2×2광 스위치에 있어서, 상기 한 쌍의 광 도파로(41, 42)를 통하는 광에 광 위상 변화를 별도로 주는 광 위상 변조수단(48); 및 상기 광 위상 변조수단(48)의 입출력단 각각에 위치하여 상기 광 도파로 각각을 따라 통과하는 광간에 커플링을 유도하는 광 커플링수단(47, 49)을 구비하여, 상기 광 커플링수단에 의한 광 커플링 구간의 광 도파로는 서로 이격간격 없이 붙은 형태인 것을 특징으로 하는 2×2광 스위치에 관한 것으로, 진행하는 광이 두 도파로가 간격이 없어 붙은 광 커플링부를 지나기 때문에 두 도파로 커필링 구간 사이에서 발생되는 오차를 서로 공급하여 공정 상에 발생하는 오차를 최소한으로 감소시킬 수 있으며, 또한, 두 도파로의 커플링을 DC형이나 BB형처럼 간접적으로 하지 않기 때문에 광 소자의 전체 길이를 줄일 수 있으며, 이에 따라 광 소자의 출력 감소를 최소화할 수 있도록 한 것이다.

Description

광신호 스위치 소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3a도 및 제3b도는 본 발명의 일실시예에 따른 2×2광 스위치의 광 도파로 및 전극의 구조도.

Claims (1)

  1. 한 쌍의 광 도파로(41, 42)를 구비하는 2×2광 스위치에 있어서, 상기 한 쌍의 광 도파로(41, 42)를 통하는 광에 광 위상 변화를 별도로 주는 광 위상 변조수단(48); 및 상기 광 위상 변조수단(48)의 입출력단 각각에 위치하여 상기 광 도파로 각각을 따라 통과하는 광간에 커플링을 유도하는 광 커플링수단(47, 48)을 구비하며, 상기 광 커플링수단에 의한 광 커플링 구간의 광 도파로는 서로 이격간격 없이 붙은 형태인 것을 특징으로 하는 2×2광 스위치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950041514A 1995-11-15 1995-11-15 광신호 스위칭 소자 KR100204026B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950041514A KR100204026B1 (ko) 1995-11-15 1995-11-15 광신호 스위칭 소자
NL1004504A NL1004504C2 (nl) 1995-11-15 1996-11-12 Optisch schakelelement.
US08/747,766 US5828796A (en) 1995-11-15 1996-11-13 Optical switch for reducing processing errors in a coupling region

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950041514A KR100204026B1 (ko) 1995-11-15 1995-11-15 광신호 스위칭 소자

Publications (2)

Publication Number Publication Date
KR970028641A true KR970028641A (ko) 1997-06-24
KR100204026B1 KR100204026B1 (ko) 1999-06-15

Family

ID=19434237

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950041514A KR100204026B1 (ko) 1995-11-15 1995-11-15 광신호 스위칭 소자

Country Status (3)

Country Link
US (1) US5828796A (ko)
KR (1) KR100204026B1 (ko)
NL (1) NL1004504C2 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001065310A1 (en) * 2000-03-02 2001-09-07 Orchid Lightwave Communications, Inc. Integrated optical devices and methods of making such devices
US6233378B1 (en) * 2000-05-15 2001-05-15 Nu-Wave Photonics Inc. Optical switch utilizing two unidirectional waveguide couplers
US6374017B1 (en) * 2000-10-02 2002-04-16 Charles Christopher Romaniuk Phase dependent splitter/combiner 4-port coupler device
KR100403055B1 (ko) * 2002-01-16 2003-10-23 한국전자통신연구원 신호 분리형 광 파장 변환기
US7542686B2 (en) * 2004-02-20 2009-06-02 Alcatel-Lucent Usa Inc. Reset free devices
JP4789460B2 (ja) * 2004-12-22 2011-10-12 株式会社アドバンテスト 光スイッチ及び光試験装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001123A1 (en) * 1983-08-26 1985-03-14 Hughes Aircraft Company High switching frequency optical waveguide switch, modulator, and filter devices
US4679893A (en) * 1983-08-26 1987-07-14 Hughes Aircraft Company High switching frequency optical waveguide switch, modulator, and filter devices
JPH0672964B2 (ja) * 1986-02-07 1994-09-14 日本電信電話株式会社 導波形光干渉計
EP0361152A3 (de) * 1988-09-30 1991-01-16 Siemens Aktiengesellschaft Vorrichtung zur Erzeugung orthogonal zueinander polarisierter optischer Wellen aus einer zugeführten optischen Welle
JPH03131825A (ja) * 1989-10-18 1991-06-05 Hitachi Ltd 光周波数シフタ
GB2239715B (en) * 1990-01-06 1994-04-27 Plessey Co Plc Integrated optical device
US5230028A (en) * 1991-12-02 1993-07-20 The Regents Of The University Of California Electro-optic intensity modulator with improved linearity
US5309532A (en) * 1991-12-02 1994-05-03 The Regents Of The University Of California Electro-optic intensity modulator with improved linearity

Also Published As

Publication number Publication date
KR100204026B1 (ko) 1999-06-15
US5828796A (en) 1998-10-27
NL1004504C2 (nl) 1997-05-30
NL1004504A1 (nl) 1997-05-21

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