JPS5795733A - Device for isolating two photosignals - Google Patents

Device for isolating two photosignals

Info

Publication number
JPS5795733A
JPS5795733A JP56128836A JP12883681A JPS5795733A JP S5795733 A JPS5795733 A JP S5795733A JP 56128836 A JP56128836 A JP 56128836A JP 12883681 A JP12883681 A JP 12883681A JP S5795733 A JPS5795733 A JP S5795733A
Authority
JP
Japan
Prior art keywords
photosignals
isolating
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.)
Pending
Application number
JP56128836A
Other languages
English (en)
Inventor
Ibu Mishieru
Furotsushiyu Berunaaru
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of JPS5795733A publication Critical patent/JPS5795733A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • 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)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Communication System (AREA)
JP56128836A 1980-09-12 1981-08-19 Device for isolating two photosignals Pending JPS5795733A (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
JPS5795733A true JPS5795733A (en) 1982-06-14

Family

ID=9245886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56128836A Pending JPS5795733A (en) 1980-09-12 1981-08-19 Device for isolating two photosignals

Country Status (5)

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

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
EP0764860B1 (en) * 1995-09-20 2004-05-12 Alcatel Optical delay unit, optical line emulator including such a unit and methods realized by such an optical delay unit and by such an optical line emulator
GB2394583B (en) * 2001-08-27 2005-01-19 Rensselaer Polytech Inst Terahertz time-domain differentiator
US20060139755A1 (en) * 2001-08-27 2006-06-29 Roland Kersting Terahertz time-domain differentiator
CA2357226A1 (en) * 2001-09-12 2003-03-12 Optenia Inc. Optical performance monitor
WO2003024011A2 (en) * 2001-09-12 2003-03-20 Lnl 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
DE3161894D1 (en) 1984-02-16
FR2490432B1 (ja) 1982-09-17
EP0048640A1 (fr) 1982-03-31
FR2490432A1 (fr) 1982-03-19
US4430572A (en) 1984-02-07

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