KR900019415A - 광학 신호 동시 전송용 장치 - Google Patents

광학 신호 동시 전송용 장치 Download PDF

Info

Publication number
KR900019415A
KR900019415A KR1019890005894A KR890005894A KR900019415A KR 900019415 A KR900019415 A KR 900019415A KR 1019890005894 A KR1019890005894 A KR 1019890005894A KR 890005894 A KR890005894 A KR 890005894A KR 900019415 A KR900019415 A KR 900019415A
Authority
KR
South Korea
Prior art keywords
source
circular
optical
waveguide
simultaneous transmission
Prior art date
Application number
KR1019890005894A
Other languages
English (en)
Other versions
KR970004779B1 (ko
Inventor
드라곤 코라도
Original Assignee
엘리 와이스
아메리칸 텔리폰 앤드 텔레그라프 캄파니
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 엘리 와이스, 아메리칸 텔리폰 앤드 텔레그라프 캄파니 filed Critical 엘리 와이스
Publication of KR900019415A publication Critical patent/KR900019415A/ko
Application granted granted Critical
Publication of KR970004779B1 publication Critical patent/KR970004779B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2808—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

내용 없음

Description

광학 신호 동시 전송용 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 발명의 성형 결합기를 간단하게 도시한 도면, 제3도는 발명의 성형 결합기의 특정한 실시 예를 도시한 도면.

Claims (7)

1db/cm보다 작은 손실을 가진 광학 방사를 전송할 수 있는 매개체와, 구경 ai의 N광학 소스 소자의 배치로부터 광학 방사를 상기 매개체내의 2차원 평면으로 주입시키기 위한 수단과, 상기 매개체로부터 전송된 광학 방사를 추출하기 위한 구경 ai'의 N추출 소자의 배치를 포함하는 N소스로부터 N'검출기까지의 광학 신호 동시 전송용 장치에 있어서, 상기의 장치는, 가) 방상의 소스가 실제로 광학 방사의 단일 모드 소스이고, 나)N소스의 배치가 실제로 L=∑a에 의해서 주어진 부분의 길이 (L), 굴곡부의 반경(R)과 함께 원형의 부분을 따라 위치되고, 다)N'검출기의 배치가 L'=∑a'에 의해서 주어진 부분의 길이(L'), 반경(R)인 원형의 부분을 따라 위치되고, 라)원형의 굴곡부 중심의 부분은 다른 배치를 한정하는 원형부분상의 각각의 배치의 구성을 결정하며, 마)상기 각각의 소자의 대칭축은 실제로 그러한 배치를 한정하는 부분의 원형의 굴곡부 중심으로 지향되고, 바)거리 (R)은 똑같이 구경된 소자에 대해 가장자리 추출 소자와 가장자리 소스 소자사이에서 전송을 최대로 하기 위해 선택되는 것을 특징으로 하는 광학 신호 동시 전송용 장치.
제1항에 있어서, 도파관의 폭은 도파관 부분이 결합기 부분에 도달할 때 증가하는 것을 특징으로 하는 광학 신호 동시 전송용 장치.
제1항의 장치를 포함하는 3차원 성형 결합기.
제1항에 있어서, 개별적 소자의 구경이 실제로 각각의 소자에 균등하게 전송되도록 선택되는 것을 특징으로 하는 광학 신호 동시 전송용 장치.
제1항에 있어서, 2개의 원형부분 사이의 영역이 도핑된 실리카를 포함하는 것을 특징으로 하는 광학 신호 동시 전송용 장치.
제5항에 있어서, 소스 및 추출 소자가 도핑된 도파관 영역을 포함하는 것을 특징으로 하는 광학 신호 동시 전송용 장치.
제6항에 있어서, 광섬유는 홈이 파여진 영역의 수단에 의해서 도핑된 도파관 영역과 함께 정렬되는 것을 특징으로 하는 광학 신호 동시 전송용 장치.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890005894A 1988-05-03 1989-05-02 광학 신호 동시 전송용 장치 KR970004779B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/189,900 US4904042A (en) 1988-05-03 1988-05-03 N×N optical star coupler
US189,900 1988-05-03

Publications (2)

Publication Number Publication Date
KR900019415A true KR900019415A (ko) 1990-12-24
KR970004779B1 KR970004779B1 (ko) 1997-04-03

Family

ID=22699235

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890005894A KR970004779B1 (ko) 1988-05-03 1989-05-02 광학 신호 동시 전송용 장치

Country Status (6)

Country Link
US (1) US4904042A (ko)
EP (1) EP0340987B1 (ko)
JP (1) JPH01314211A (ko)
KR (1) KR970004779B1 (ko)
CA (1) CA1313785C (ko)
DE (1) DE68909300T2 (ko)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8902797D0 (en) * 1989-02-08 1989-03-30 Stc Plc Optical fibre star coupler
US5002350A (en) * 1990-02-26 1991-03-26 At&T Bell Laboratories Optical multiplexer/demultiplexer
US5179605A (en) * 1990-10-10 1993-01-12 University Of Ottawa Optical interconnection device
WO1991015790A1 (en) * 1990-04-11 1991-10-17 University Of Ottawa Optical interconnection device
DE4012730C1 (ko) * 1990-04-21 1991-08-22 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
US5076654A (en) * 1990-10-29 1991-12-31 At&T Bell Laboratories Packaging of silicon optical components
US5078468A (en) * 1991-04-24 1992-01-07 At&T Bell Laboratories N×N optical star coupler
US5136671A (en) * 1991-08-21 1992-08-04 At&T Bell Laboratories Optical switch, multiplexer, and demultiplexer
US5271079A (en) * 1991-11-08 1993-12-14 Finisar Corporation Light mixing device with fiber optic output
US5208885A (en) * 1992-02-27 1993-05-04 At&T Bell Laboratories Optical fiber to strip waveguide interconnect
DE69325309T2 (de) * 1992-04-29 2000-01-27 At & T Corp Effizienter optische Reflexionsmultiplexer und -demultiplexer
US5287424A (en) * 1992-07-06 1994-02-15 Sheem Sang K Optical fiber coupler with overlapping core-extensions, and manufacturing methods of the same
US5400423A (en) * 1993-09-07 1995-03-21 Motorola Molded star coupler and method of making same
US5509023A (en) * 1994-03-10 1996-04-16 At&T Corp. Laser control arrangement for tuning a laser
US5412744A (en) * 1994-05-02 1995-05-02 At&T Corp. Frequency routing device having a wide and substantially flat passband
US5467418A (en) * 1994-09-02 1995-11-14 At&T Ipm Corp. Frequency routing device having a spatially filtered optical grating for providing an increased passband width
US5444725A (en) * 1994-09-30 1995-08-22 At&T Ipm Corp. Multifrequency laser
US5600742A (en) 1994-09-30 1997-02-04 Lucent Technologies Inc. Wavelength grating router with output coupler
US5699176A (en) * 1995-11-06 1997-12-16 Lucent Technologies Inc. Upgradable fiber-coax network
US5675675A (en) * 1995-12-29 1997-10-07 Corning Incorporated Bandwidth-adjusted wavelength demultiplexer
US5719976A (en) * 1995-10-24 1998-02-17 Lucent Technologies, Inc. Optimized waveguide structure
US5579421A (en) * 1995-11-21 1996-11-26 Lucent Technologies Inc. Optical integrated circuits and methods
US5604828A (en) * 1995-11-21 1997-02-18 Lucent Technologies Inc. Multi-purpose optical integrated circuit
US5706377A (en) * 1996-07-17 1998-01-06 Lucent Technologies Inc. Wavelength routing device having wide and flat passbands
JP2870499B2 (ja) * 1996-08-02 1999-03-17 日立電線株式会社 光波長合分波器
US6016375A (en) * 1997-01-08 2000-01-18 Hill; Kenneth O. Wavelength selective fiber to fiber optical tap
US5745618A (en) * 1997-02-04 1998-04-28 Lucent Technologies, Inc. Optical device having low insertion loss
JP2858656B2 (ja) * 1997-02-14 1999-02-17 日立電線株式会社 光波長合分波器
US6049644A (en) * 1997-05-13 2000-04-11 Lucent Technologies Inc. Optical routing device having a substantially flat passband
US5889906A (en) * 1997-05-28 1999-03-30 Lucent Technologies Inc. Signal router with coupling of multiple waveguide modes for provicing a shaped multi-channel radiation pattern
US6021243A (en) * 1997-10-06 2000-02-01 Nec Research Institute, Inc. Low-cost planar star-coupling structure for large-core polymer optical fibers
US5999290A (en) * 1997-10-27 1999-12-07 Lucent Technologies Inc. Optical add/drop multiplexer having complementary stages
US6112000A (en) * 1998-08-29 2000-08-29 Lucent Technologies Inc. Reflective array multiplexer with polarization compensation
US6385373B1 (en) 1999-10-29 2002-05-07 Lucent Technologies Inc. Compensated cascaded waveguides
US6947220B1 (en) 1999-11-22 2005-09-20 Ksm Associates, Inc. Devices for information processing in optical communications
US6850662B1 (en) 2000-07-31 2005-02-01 Tellabs Operations, Inc. Optical switch for reciprocal traffic
US6363182B2 (en) 2000-07-31 2002-03-26 James D. Mills Optical switch for reciprocal traffic
CA2368945A1 (en) 2002-01-21 2003-07-21 Guomin Yu Optical waveguide device having low insertion loss
US7149378B2 (en) * 2002-02-22 2006-12-12 Lucent Technologies Inc. Monolithic waveguide/MEMS switch
US20030161574A1 (en) * 2002-02-22 2003-08-28 Aksyuk Vladimir Anatolyevich Planar lightwave wavelength device using moveable mirrors
US6873766B2 (en) * 2002-04-12 2005-03-29 Corrado P. Dragone Efficient waveguide arrays with nearly perfect element patterns
US7027689B2 (en) * 2003-01-24 2006-04-11 Lucent Technologies Inc. Optical routers based on surface plasmons
US6836600B2 (en) 2003-03-13 2004-12-28 Lucent Technologies Inc. Optical coupler with low loss interconnections
US7099528B2 (en) * 2004-01-07 2006-08-29 International Business Machines Corporation Methods and devices for coupling electromagnetic radiation using diffractive optical elements
US7400792B2 (en) * 2004-12-09 2008-07-15 Tellabs Operations, Inc. Methods and apparatus to make substantially uniform losses in optical cross connects
KR20070089994A (ko) * 2004-12-09 2007-09-04 알피오 피티와이 리미티드 광 파워 분배 장치
JP4839691B2 (ja) * 2005-06-21 2011-12-21 沖電気工業株式会社 光素子、光分岐素子および光波長合分波器
US7876983B2 (en) * 2008-11-11 2011-01-25 Alcatel-Lucent Usa Inc. Method and apparatus for a wavelength insensitive 90-degree hybrid device
JP5251826B2 (ja) * 2009-10-23 2013-07-31 沖電気工業株式会社 光素子、光分岐素子および光波長合分波器
US9054832B2 (en) 2009-12-08 2015-06-09 Treq Labs, Inc. Management, monitoring and performance optimization of optical networks
EP2548060A4 (en) 2010-03-19 2017-08-30 Hewlett-Packard Enterprise Development LP Optical star coupler
DE102012014506A1 (de) 2012-07-20 2014-01-23 Ulrich Lohmann Optische Kreuzverbindung für Knotenpunkte in hochredundanten,.faseroptischen Kommunikationsnetzwerken

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2600893A1 (de) * 1976-01-12 1977-07-21 Siemens Ag Lichtverteiler fuer optische nachrichtensysteme
JPS5784408A (en) * 1980-11-13 1982-05-26 Nec Corp Optical distributing circuit
US4786131A (en) * 1987-07-28 1988-11-22 Polaroid Corporation Star coupler

Also Published As

Publication number Publication date
US4904042A (en) 1990-02-27
JPH0439049B2 (ko) 1992-06-26
EP0340987A2 (en) 1989-11-08
CA1313785C (en) 1993-02-23
EP0340987B1 (en) 1993-09-22
DE68909300T2 (de) 1994-04-07
JPH01314211A (ja) 1989-12-19
DE68909300D1 (de) 1993-10-28
KR970004779B1 (ko) 1997-04-03
EP0340987A3 (en) 1990-08-01

Similar Documents

Publication Publication Date Title
KR900019415A (ko) 광학 신호 동시 전송용 장치
KR870005261A (ko) 광 전력 결합장치 및 그를 이용한 광 파이버 통신 시스템
KR870008400A (ko) 도파통신 시스템
KR830006699A (ko) 광섬유 방향 커플러
ES553779A0 (es) Sistema de transmision por fibra optica coherente con multiflexacion por division de frecuencia.
ES522996A0 (es) Metodo de transmision optica y perfeccionamientos en los sistemas correspondientes.
DE69113940D1 (de) Faseroptisches Verbindungselement mit Dämpfungsglied.
BR7708011A (pt) Sistema de transmissao de dados por fibras oticas
KR870008197A (ko) 광섬유 장치
KR840006704A (ko) 광학섬유 스위치 및 불연속 가변 지연선
DE69107723D1 (de) Optisches Übertragungssystem mit Faserverstärker.
DK476488A (da) Koblingsindretning for optiske fibre til opto-elektroniske anordninger, navnlig optiske emittere og detektorer
NO147775C (no) Anordning for fiberoptisk dataoverfoering.
ATE15556T1 (de) Vorrichtung zur schaltverbindung optischer fasern.
DE3479448D1 (de) Optische wellenleiter. optical waveguides
KR860000570A (ko) 캐스케이드식 광학 섬유 격자휠터
FR2678075B1 (fr) Isolateur optique, circuit optique et amplificateur a fibre optique dopee par une terre rare.
GB1447117A (en) Telecommunications transmission systems
DK0413660T3 (da) Lysleder-stikforbindelse
ES2086682T3 (es) Sistema de medida de distancias de eco con dispositivo de calibracion.
JPS5912036B2 (ja) 通信伝送系の中間光増幅器
FR2665025B1 (fr) Element de transition entre guides d'ondes electromagnetiques, notamment entre un guide d'ondes circulaire et un guide d'ondes coaxial.
KR890015040A (ko) 기판지지 도파관과 정렬된 콤포넌트를 구비한 소자
GB1458831A (en) Optical arrangements
FR2614110B1 (fr) Dispositif de transmission par fibres optiques, en particulier en milieu sous-marin

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070829

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee