HK132996A - Optical coupler - Google Patents

Optical coupler

Info

Publication number
HK132996A
HK132996A HK132996A HK132996A HK132996A HK 132996 A HK132996 A HK 132996A HK 132996 A HK132996 A HK 132996A HK 132996 A HK132996 A HK 132996A HK 132996 A HK132996 A HK 132996A
Authority
HK
Hong Kong
Prior art keywords
pct
reflective
port
sec
date
Prior art date
Application number
HK132996A
Other languages
English (en)
Inventor
David Wynford Faulkner
Philip John Smith
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of HK132996A publication Critical patent/HK132996A/xx

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
    • H04B10/27—Arrangements for networking
    • 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
    • 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
    • G02B6/2821—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 lateral coupling between contiguous fibres to split or combine optical signals
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Optical Communication System (AREA)
  • Glass Compositions (AREA)
  • Semiconductor Lasers (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Silicon Polymers (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
HK132996A 1989-09-01 1996-07-25 Optical coupler HK132996A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898919799A GB8919799D0 (en) 1989-09-01 1989-09-01 Optical coupler
PCT/GB1990/001282 WO1991003753A1 (en) 1989-09-01 1990-08-14 Optical coupler

Publications (1)

Publication Number Publication Date
HK132996A true HK132996A (en) 1996-08-02

Family

ID=10662391

Family Applications (1)

Application Number Title Priority Date Filing Date
HK132996A HK132996A (en) 1989-09-01 1996-07-25 Optical coupler

Country Status (10)

Country Link
US (1) US5448663A (xx)
EP (1) EP0489807B1 (xx)
JP (1) JP3341891B2 (xx)
AT (1) ATE129815T1 (xx)
CA (1) CA2065304C (xx)
DE (1) DE69023344T2 (xx)
FI (1) FI920931A0 (xx)
GB (1) GB8919799D0 (xx)
HK (1) HK132996A (xx)
WO (1) WO1991003753A1 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2071037A1 (en) * 1991-06-14 1992-12-15 Hayato Yuuki Active optical coupler
NL9101490A (nl) * 1991-09-03 1993-04-01 Nederland Ptt Optische reflectiesterinrichting.
GB2265059B (en) * 1992-03-04 1995-07-26 Northern Telecom Ltd Optical regenerators
JPH0998156A (ja) * 1995-10-02 1997-04-08 Yuseisho Tsushin Sogo Kenkyusho 光多重通信方式および装置
US6456429B1 (en) * 2000-11-15 2002-09-24 Onetta, Inc. Double-pass optical amplifier
WO2003005613A1 (de) * 2001-07-03 2003-01-16 Infineon Technologies Ag Opto-elektronisches transceivermodul und verfahren zum empfang optischer signale
US20050129404A1 (en) * 2003-12-10 2005-06-16 Kim Byoung W. Apparatus for providing broadcasting service through overlay structure in WDM-PON
US7312490B2 (en) * 2005-03-31 2007-12-25 Intel Corporation Vertical memory device and method
US20080018988A1 (en) * 2006-07-24 2008-01-24 Andrew Davidson Light source with tailored output spectrum
US9698463B2 (en) 2014-08-29 2017-07-04 John Mezzalingua Associates, LLC Adjustable power divider and directional coupler

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318058A (en) * 1979-04-24 1982-03-02 Nippon Electric Co., Ltd. Semiconductor diode laser array
CA1143978A (en) * 1980-11-26 1983-04-05 Derwyn C. Johnson Passive fiber optic data bus configurations
JPS59126696A (ja) * 1983-01-10 1984-07-21 Nec Corp 光通信用光増幅装置
DE3310587A1 (de) * 1983-03-23 1984-09-27 Siemens AG, 1000 Berlin und 8000 München Lichtwellenleiterverzweigung, ihre anwendung und verfahren zu ihrer herstellung
NL8302461A (nl) * 1983-07-11 1985-02-01 Philips Nv Geodetisch optisch element.
US4545253A (en) * 1983-08-29 1985-10-08 Exxon Production Research Co. Fiber optical modulator and data multiplexer
JPS60110187A (ja) * 1983-11-18 1985-06-15 Matsushita Electric Ind Co Ltd 光帰還型半導体レ−ザ装置
US4723824A (en) * 1983-11-25 1988-02-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4938556A (en) * 1983-11-25 1990-07-03 The Board Of Trustees Of The Leland Stanford Junior University Superfluorescent broadband fiber laser source
JPS6111820A (ja) * 1984-06-26 1986-01-20 Fanuc Ltd サ−ボ制御系の絶対位置検出装置
GB8512980D0 (en) * 1985-05-22 1985-06-26 Pa Consulting Services Fibre optic transmissions systems
JPH0738488B2 (ja) * 1985-07-24 1995-04-26 ブリティシュ・テレコミュニケ−ションズ・パブリック・リミテッド・カンパニ 誘電体光導波素子、光ファイバ増幅器および光信号波長選択方法ならびに誘電体光導波素子の製造方法
JPS6254991A (ja) * 1985-09-04 1987-03-10 Hitachi Ltd 半導体レ−ザ装置
US4712859A (en) * 1985-09-19 1987-12-15 Bell Communications Research, Inc. Distributed star network
US4781427A (en) * 1985-09-19 1988-11-01 The Mitre Corporation Active star centered fiber optic local area network
JPH0681119B2 (ja) * 1986-04-17 1994-10-12 日本電気株式会社 波長多重光伝送方式
US4790619A (en) * 1986-04-25 1988-12-13 American Telephone And Telegraph Company, At&T Bell Laboratories Apparatus comprising Raman-active optical fiber
US4787693A (en) * 1987-11-02 1988-11-29 American Telephone And Telegraph Company, At&T Bell Laboratories Passive star coupler
US4962995A (en) * 1989-06-16 1990-10-16 Gte Laboratories Incorporated Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources

Also Published As

Publication number Publication date
GB8919799D0 (en) 1989-10-18
DE69023344T2 (de) 1996-03-21
EP0489807B1 (en) 1995-11-02
DE69023344D1 (de) 1995-12-07
WO1991003753A1 (en) 1991-03-21
FI920931A0 (fi) 1992-03-02
JPH05500440A (ja) 1993-01-28
JP3341891B2 (ja) 2002-11-05
US5448663A (en) 1995-09-05
EP0489807A1 (en) 1992-06-17
ATE129815T1 (de) 1995-11-15
CA2065304C (en) 1999-07-13
CA2065304A1 (en) 1991-03-02

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)