ATE134283T1 - Übertragungssystem für polarisationsunempfindliche übertragung von signalen - Google Patents

Übertragungssystem für polarisationsunempfindliche übertragung von signalen

Info

Publication number
ATE134283T1
ATE134283T1 AT91203192T AT91203192T ATE134283T1 AT E134283 T1 ATE134283 T1 AT E134283T1 AT 91203192 T AT91203192 T AT 91203192T AT 91203192 T AT91203192 T AT 91203192T AT E134283 T1 ATE134283 T1 AT E134283T1
Authority
AT
Austria
Prior art keywords
retarder
transmission
polarisation
transmission system
insensitive
Prior art date
Application number
AT91203192T
Other languages
English (en)
Inventor
Deventer Mattijs Oskar Van
Original Assignee
Nederland Ptt
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 Nederland Ptt filed Critical Nederland Ptt
Application granted granted Critical
Publication of ATE134283T1 publication Critical patent/ATE134283T1/de

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
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • 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
    • H04B10/516—Details of coding or modulation
    • H04B10/532—Polarisation modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Transmitters (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
AT91203192T 1990-12-10 1991-12-06 Übertragungssystem für polarisationsunempfindliche übertragung von signalen ATE134283T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9002713A NL9002713A (nl) 1990-12-10 1990-12-10 Transmissiesysteem voor de polarisatie-ongevoelige overdracht van signalen.

Publications (1)

Publication Number Publication Date
ATE134283T1 true ATE134283T1 (de) 1996-02-15

Family

ID=19858121

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91203192T ATE134283T1 (de) 1990-12-10 1991-12-06 Übertragungssystem für polarisationsunempfindliche übertragung von signalen

Country Status (8)

Country Link
US (1) US5293264A (de)
EP (1) EP0490439B1 (de)
JP (1) JPH04302548A (de)
AT (1) ATE134283T1 (de)
CA (1) CA2057311C (de)
DE (1) DE69117152T2 (de)
ES (1) ES2084093T3 (de)
NL (1) NL9002713A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2101797T3 (es) * 1991-09-06 1997-07-16 Nederland Ptt Sistemas de transmision para la transmision de señales independientemente de la polarizacion.
US5654818A (en) * 1996-02-09 1997-08-05 The United States Of America As Represented By The United States National Aeronautics And Space Administration Polarization independent electro-optic modulator
US5933555A (en) * 1997-05-01 1999-08-03 Alliance Fiber Optics Products, Inc. Optical recirculation depolarizer and method of depolarizing light
US6735350B1 (en) * 2001-08-31 2004-05-11 Nlight Photonics Corporation Passive depolarizer
CA2357955C (en) * 2001-09-28 2008-11-18 Itf Technologies Optiques Inc./Itf Optical Technologies Inc. All-fiber depolarizer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5984215A (ja) * 1982-10-29 1984-05-15 ザ・ボード・オブ・トラスティーズ・オブ・ザ・レランド・スタンフォード・ジュニア・ユニバーシティ ファイバ光共振器
JPS6210937A (ja) * 1985-07-08 1987-01-19 Nec Corp 光ヘテロダイン・ホモダイン受信装置
JPS6249338A (ja) * 1985-08-28 1987-03-04 Nec Corp 光ヘテロダイン・ホモダイン検波受信装置
DE3621734A1 (de) * 1986-06-28 1988-01-07 Standard Elektrik Lorenz Ag Optischer ueberlagerungsempfaenger
DE3630619A1 (de) * 1986-09-09 1988-03-17 Standard Elektrik Lorenz Ag Optischer ueberlagerungsempfaenger
NL8602380A (nl) * 1986-09-22 1988-04-18 Philips Nv Inrichting voor optische heterodyne detektie van een optische signaalbundel en een optisch transmissiesysteem van een dergelijke inrichting voorzien.
NL8602864A (nl) * 1986-11-12 1988-06-01 Philips Nv Inrichting voor optische heterodyne detektie van een optische signaalbundel en optisch transmissiesysteem voorzien van een dergelijke inrichting.
JPS63229926A (ja) * 1987-03-18 1988-09-26 Fujitsu Ltd 光通信方式
JP2528686B2 (ja) * 1988-01-22 1996-08-28 日本電信電話株式会社 光パルス分離回路および光パルス多重回路
EP0361151A3 (de) * 1988-09-30 1991-11-06 Siemens Aktiengesellschaft Vorrichtung zum Erzeugen eines zwei voneinander verschiedene Polarisationszustände aufweisenden FSK-modulierten optischen Signals für ein optisches Übertragungssystem mit einem optischen Zweifilter-FSK-Überlagerungsempfänger
JPH0734080B2 (ja) * 1988-10-20 1995-04-12 富士通株式会社 コヒーレント光通信用ヘテロダイン検波受信装置
US4979235A (en) * 1989-04-17 1990-12-18 Tektronix, Inc. Polarization controller for use in optical fiber communication system
GB2245117B (en) * 1990-06-14 1994-04-06 Stc Plc Optical mixing for heterodyne detection

Also Published As

Publication number Publication date
DE69117152T2 (de) 1996-09-05
US5293264A (en) 1994-03-08
NL9002713A (nl) 1992-07-01
EP0490439A1 (de) 1992-06-17
ES2084093T3 (es) 1996-05-01
DE69117152D1 (de) 1996-03-28
CA2057311C (en) 1994-12-06
JPH04302548A (ja) 1992-10-26
EP0490439B1 (de) 1996-02-14

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