DE3161894D1 - Device for separating two light signals emitted by two sources of different wavelengths and transmitted by the same optical fibre, and receiver comprising such a device - Google Patents

Device for separating two light signals emitted by two sources of different wavelengths and transmitted by the same optical fibre, and receiver comprising such a device

Info

Publication number
DE3161894D1
DE3161894D1 DE8181401307T DE3161894T DE3161894D1 DE 3161894 D1 DE3161894 D1 DE 3161894D1 DE 8181401307 T DE8181401307 T DE 8181401307T DE 3161894 T DE3161894 T DE 3161894T DE 3161894 D1 DE3161894 D1 DE 3161894D1
Authority
DE
Germany
Prior art keywords
receiver
sources
separating
transmitted
optical fibre
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8181401307T
Other languages
German (de)
English (en)
Inventor
Michel Eve
Bernard Floch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Application granted granted Critical
Publication of DE3161894D1 publication Critical patent/DE3161894D1/de
Expired legal-status Critical Current

Links

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
    • G02B6/28—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
    • G02B6/2861—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 fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
    • 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
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • 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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Communication System (AREA)
DE8181401307T 1980-09-12 1981-08-14 Device for separating two light signals emitted by two sources of different wavelengths and transmitted by the same optical fibre, and receiver comprising such a device Expired DE3161894D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8019743A FR2490432A1 (fr) 1980-09-12 1980-09-12 Dispositif de separation de deux signaux lumineux emis par des sources de longueurs d'onde differentes, et transmis sur une meme fibre optique, et recepteur comportant un tel dispositif

Publications (1)

Publication Number Publication Date
DE3161894D1 true DE3161894D1 (en) 1984-02-16

Family

ID=9245886

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181401307T Expired DE3161894D1 (en) 1980-09-12 1981-08-14 Device for separating two light signals emitted by two sources of different wavelengths and transmitted by the same optical fibre, and receiver comprising such a device

Country Status (5)

Country Link
US (1) US4430572A (OSRAM)
EP (1) EP0048640B1 (OSRAM)
JP (1) JPS5795733A (OSRAM)
DE (1) DE3161894D1 (OSRAM)
FR (1) FR2490432A1 (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783137A (en) * 1983-11-15 1988-11-08 Kosman Karel J Fiber optic coupling system
US4681395A (en) * 1985-02-22 1987-07-21 Eldec Corporation Time-domain intensity normalization for fiber optic sensing
US4833317A (en) * 1987-09-03 1989-05-23 The Boeing Company Optically powered resolver
US5184244A (en) * 1988-11-25 1993-02-02 Sumitomo Electric Industries, Ltd. Optical communication system and communication method
EP0370514B1 (en) * 1988-11-25 1996-01-31 Sumitomo Electric Industries, Ltd. Optical communication system and communication method
JPH05122159A (ja) * 1991-05-13 1993-05-18 Internatl Business Mach Corp <Ibm> 伝送信号の信号対雑音比の改良方法及び光学的相互接続システム
DE69533033T2 (de) * 1995-09-20 2005-04-28 Alcatel Optische Verzögerungseinheit, optischer Leitungssimulator mit einer solchen Einheit und mit einer solchen optischen Verzögerungseinheit und einem solchen optischen Leitungssimulator realisierte Verfahren
US20060139755A1 (en) * 2001-08-27 2006-06-29 Roland Kersting Terahertz time-domain differentiator
AU2002345911A2 (en) * 2001-08-27 2003-04-01 Rensselaer Polytechnic Institute Terahertz time-domain differentiator
WO2003024011A2 (en) * 2001-09-12 2003-03-20 Lnl Optenia Inc. Optical performance monitor
CA2357226A1 (en) * 2001-09-12 2003-03-12 Optenia Inc. Optical performance monitor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1159851B (it) * 1978-06-20 1987-03-04 Cselt Centro Studi Lab Telecom Perfezionamenti ai sistemi di trasmissione a divisione di lunghezza d'onda

Also Published As

Publication number Publication date
EP0048640B1 (fr) 1984-01-11
US4430572A (en) 1984-02-07
FR2490432A1 (fr) 1982-03-19
FR2490432B1 (OSRAM) 1982-09-17
JPS5795733A (en) 1982-06-14
EP0048640A1 (fr) 1982-03-31

Similar Documents

Publication Publication Date Title
GB2074313B (en) Optical signal transmission systems
AU538978B2 (en) Optical fiber cable
JPS5797242A (en) Optical fiber data transmitter
GB2078996B (en) Infrared light transmission fibre
JPS56133703A (en) Fiber optical device
AU545955B2 (en) Re-sheathing an optical fibre
JPS56168506A (en) Detector with optical fiber
GB2053462B (en) Light source assembly primarily for an optical communication system
AU524578B2 (en) Optical fibre coupling means
AU534237B2 (en) Led/fiber optic character printer
AU560013B2 (en) Optical fibre sensors
EP0152597A3 (en) Apparatus for emitting an receiving light signals, more particularly infrared signals
DE3161894D1 (en) Device for separating two light signals emitted by two sources of different wavelengths and transmitted by the same optical fibre, and receiver comprising such a device
GB2070583B (en) Glass for optical fibre
AU539664B2 (en) Optical fibres
FR2482315B1 (fr) Fibre transmettant la lumiere infrarouge
DE3172243D1 (en) Devices for coupling light between optical fibres
AU8908882A (en) Optical distribution system including light guide
GB2117131B (en) Fibre optic light sources
AU524844B2 (en) Optical fibre manufacture
JPS57108926A (en) Transmitter for optical signal
GB2083963B (en) Fibre optic receiver
GB2080970B (en) Optical fibre cable
AU539909B2 (en) Optical fibre
GB2076988B (en) Infra red transmitting light guide

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee