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KR910008451A - 능동 편과 제어 서보 및 방법 - Google Patents

능동 편과 제어 서보 및 방법 Download PDF

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Publication number
KR910008451A
KR910008451A KR1019900015865A KR900015865A KR910008451A KR 910008451 A KR910008451 A KR 910008451A KR 1019900015865 A KR1019900015865 A KR 1019900015865A KR 900015865 A KR900015865 A KR 900015865A KR 910008451 A KR910008451 A KR 910008451A
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KR
South Korea
Prior art keywords
optical waveguide
transducer
polarization state
light beam
applying
Prior art date
Application number
KR1019900015865A
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English (en)
Inventor
에이.댄코비치 존
Original Assignee
올프 제이.컴버그
리튼 시스템즈 캐나다 리미티드
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.)
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Publication date
Application filed by 올프 제이.컴버그, 리튼 시스템즈 캐나다 리미티드 filed Critical 올프 제이.컴버그
Publication of KR910008451A publication Critical patent/KR910008451A/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • 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 
    • G02F1/0136—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  for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Gyroscopes (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

내용 없음

Description

능동 편광 제어 서보 및 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 레이저 소오스, 광섬유, 3개의-뱅크편광제어기, 편광기, 검출기, 및 2중 채널 아날로그 서보를 포함하는 편광 제어 시스템이다.
제2도는 감지 루프와 함께 사용된 편광 제어기 내의 복굴절 변환기의 2개의 뱅크에 인가된 광섬유 회전 감지기 출력신호 대 전압의 3차원적 도면이다.
제3도는 다른 복굴절 변환기가 최대 광선 출력로 조절될때 1개의 복굴절 변환기에 인가되는 전압의 함수로서 제2도의 출력 신호를 그래프로 나타내는 도면이다.

Claims (2)

  1. 광 도파관에 의해 안내된 광선의 편광을 제어하기 위한 시스템에 있어서, 평행 축들을 따라 광 도파관 상에 동작하도록 배열된 제1 변환기 및 제2변환기 및 평행 축들사이에 배치되고 이곳으로부터 45°의 각으로 변위된 축상에 존재하는 제3 변환기를 포함하는 광 도파관의 복굴절성을 제어하기 위한 장치, 제1 제어 신호를 각각의 제1 및 제2 변환기에 인가하기 위한 장치, 제1 및 제2 제어신호들이 시간 구적내에 있는 것중 제2 제어 신호를 제3 변환기에 인가하기 위한 장치, 광 도파관에 의해 안내된 광선의 편광 상태와 선정된 바람직한 편광 상태 사이의 차를 나타내는 에러 신호를 형성하도록 전기 신호를 프로세싱하기 위한 장치, 및 광 도파관에 의해 안내된 광선의 편광 상태와 바람직한 편광 상태사이의 차를 최소로 하기 위해 에러 신호를 제1 및 제2 제어 신호와 조합하기 위한 장치를 포함하는 것을 트기징으로 하는 시스템.
  2. 광 도파관에 의해 안내된 광선의 편광을 제어하기 위한 방법에 있어서, 평행 축들을 따라 광 도파관상에 동작하도록 제1 변환기 및 제2 변환기를 배열하는 단계 및 평행 축들과 이곳으로부터 45°의각으로 변위된 곳 사이에 배치된 축상에 제3 변환기를 배치시키는 단계, 제1 제어 신호를 제 1 및 제2 변환기에 인가하는 단계, 제 1 및 제2 제어 신호들이 시간 구적내에 있는 것중 제 2 제어 신호를 제3 변환기에 인가하는 단계, 광도파관에 의해 안내된 광선의 세기를 나타내는 전기 신호를 형성하는 단계, 광 도파관에 의해 안내된 광선의 편광 상태와 선정된 바람직한 편광 상태 사이의 차를 나타내는 에러신호를 형서아하도록 전기 신호를 프로세싱하는 단계, 및 광 도파관에 의해 안내된 광선의 편광 상태와 바람직한 편광 상태 사이의 차를 최소로 하기 위해 에러 신호와 제1 및 제2 제어 신호들을 조합하는 단계를 포함하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900015865A 1989-10-04 1990-09-29 능동 편과 제어 서보 및 방법 KR910008451A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US417,182 1989-10-04
US07/417,182 US4960319A (en) 1989-10-04 1989-10-04 Active polarization control servo and method

Publications (1)

Publication Number Publication Date
KR910008451A true KR910008451A (ko) 1991-05-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900015865A KR910008451A (ko) 1989-10-04 1990-09-29 능동 편과 제어 서보 및 방법

Country Status (8)

Country Link
US (1) US4960319A (ko)
JP (1) JPH03138614A (ko)
KR (1) KR910008451A (ko)
CA (1) CA2021015A1 (ko)
DE (1) DE4031449A1 (ko)
FR (1) FR2652657A1 (ko)
GB (1) GB2236601A (ko)
IT (1) IT1241716B (ko)

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Also Published As

Publication number Publication date
JPH03138614A (ja) 1991-06-13
GB9015494D0 (en) 1990-08-29
IT9067755A0 (it) 1990-10-03
US4960319A (en) 1990-10-02
GB2236601A (en) 1991-04-10
IT1241716B (it) 1994-01-31
JPH059769B2 (ko) 1993-02-05
FR2652657A1 (fr) 1991-04-05
CA2021015A1 (en) 1991-04-05
IT9067755A1 (it) 1992-04-03
DE4031449A1 (de) 1991-04-11

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