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IT1238535B - Sistema di comunicazione coerente in fibra ottica a diversita' di polarizzazione in trasmissione - Google Patents

Sistema di comunicazione coerente in fibra ottica a diversita' di polarizzazione in trasmissione

Info

Publication number
IT1238535B
IT1238535B IT67995A IT6799589A IT1238535B IT 1238535 B IT1238535 B IT 1238535B IT 67995 A IT67995 A IT 67995A IT 6799589 A IT6799589 A IT 6799589A IT 1238535 B IT1238535 B IT 1238535B
Authority
IT
Italy
Prior art keywords
transmission
optical fiber
communication system
different polarization
coherent communication
Prior art date
Application number
IT67995A
Other languages
English (en)
Other versions
IT8967995A1 (it
IT8967995A0 (it
Inventor
Pierluigi Poggiolini
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67995A priority Critical patent/IT1238535B/it
Publication of IT8967995A0 publication Critical patent/IT8967995A0/it
Priority to US07/608,499 priority patent/US5127066A/en
Priority to JP2297387A priority patent/JPH03210841A/ja
Priority to CA002029791A priority patent/CA2029791A1/en
Priority to EP19900121661 priority patent/EP0428119A3/en
Publication of IT8967995A1 publication Critical patent/IT8967995A1/it
Application granted granted Critical
Publication of IT1238535B publication Critical patent/IT1238535B/it

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
    • H04B10/516—Details of coding or modulation
    • H04B10/532—Polarisation modulation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0136—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
    • G02F1/0139—Polarisation scrambling devices; Depolarisers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Radio Transmission System (AREA)
IT67995A 1989-11-14 1989-11-14 Sistema di comunicazione coerente in fibra ottica a diversita' di polarizzazione in trasmissione IT1238535B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT67995A IT1238535B (it) 1989-11-14 1989-11-14 Sistema di comunicazione coerente in fibra ottica a diversita' di polarizzazione in trasmissione
US07/608,499 US5127066A (en) 1989-11-14 1990-11-02 Coherent optical-fiber communication system using polarization diversity transmission
JP2297387A JPH03210841A (ja) 1989-11-14 1990-11-05 光フアイバ通信システム
CA002029791A CA2029791A1 (en) 1989-11-14 1990-11-13 Coherent optical-fibre communication system using polarisation-diversity transmission
EP19900121661 EP0428119A3 (en) 1989-11-14 1990-11-13 Coherent optical-fibre communication system using polarisation-diversity transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67995A IT1238535B (it) 1989-11-14 1989-11-14 Sistema di comunicazione coerente in fibra ottica a diversita' di polarizzazione in trasmissione

Publications (3)

Publication Number Publication Date
IT8967995A0 IT8967995A0 (it) 1989-11-14
IT8967995A1 IT8967995A1 (it) 1991-05-14
IT1238535B true IT1238535B (it) 1993-08-18

Family

ID=11307047

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67995A IT1238535B (it) 1989-11-14 1989-11-14 Sistema di comunicazione coerente in fibra ottica a diversita' di polarizzazione in trasmissione

Country Status (5)

Country Link
US (1) US5127066A (it)
EP (1) EP0428119A3 (it)
JP (1) JPH03210841A (it)
CA (1) CA2029791A1 (it)
IT (1) IT1238535B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1250199B (it) * 1991-07-04 1995-04-03 Cselt Centro Studi Lab Telecom Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione
US5125454A (en) * 1991-08-27 1992-06-30 Thermal Components, Inc. Manifold assembly for a parallel flow heat exchanger
US5259048A (en) * 1991-09-30 1993-11-02 Kabushiki Kaisha Toshiba Optical equalizer
US5386484A (en) * 1992-02-10 1995-01-31 Sumitomo Electric Industries, Ltd. Optical fiber type polarizer
FR2699295B1 (fr) * 1992-12-15 1995-01-06 Thomson Csf Dispositif de traitement optique de signaux électriques.
US5309535A (en) * 1993-04-30 1994-05-03 At&T Bell Laboratories Apparatus and method utilizing a rotating waveplate for reducing polarization dependent hole-burning in an amplified optical transmission system
US5309530A (en) * 1993-04-30 1994-05-03 At&T Bell Laboratories Technique utilizing stress-induced birefringence for reducing polarization dependent hole-burning in an amplified optical transmission system
US5361270A (en) * 1993-08-18 1994-11-01 At&T Bell Laboratories Apparatus and method employing polarization modulation to reduce effects of polarization hole burning and/or polarization dependent loss
JP2739813B2 (ja) * 1993-12-20 1998-04-15 日本電気株式会社 偏波分散補償方法
JP3364076B2 (ja) * 1995-12-27 2003-01-08 ケイディーディーアイ株式会社 光送信装置
US5809184A (en) * 1996-10-15 1998-09-15 Doerr; Christopher Richard Polarization diversity waveguide grating receiver
US6377378B1 (en) * 1998-01-16 2002-04-23 Pirelli Cavi E Sistemi S.P.A. Suppression of polarization hole burning with an acousto-optic modulator
JP3777045B2 (ja) * 1998-03-19 2006-05-24 富士通株式会社 偏波スクランブラー
US6407848B1 (en) 2000-12-27 2002-06-18 All Optical Networks, Inc. Servo-stabilized-phase, differential coherence detector
US6473222B2 (en) 2000-12-27 2002-10-29 John N. Hait Hyper-heterodyning, expanded bandpass apparatus and method
US7206517B1 (en) * 2001-03-16 2007-04-17 University Of Southern California (La) Monitoring and in-line compensation of polarization dependent loss for lightwave systems
US7186241B2 (en) * 2001-10-03 2007-03-06 Medical Instill Technologies, Inc. Syringe with needle penetrable and laser resealable stopper
GB2394375A (en) * 2002-10-19 2004-04-21 Bookham Technology Plc Integrated optical monitor with polarisation scrambling
KR100584433B1 (ko) * 2003-11-25 2006-05-26 삼성전자주식회사 차등 편광 변조 방식의 광전송 시스템
DE102004006584B4 (de) * 2004-02-10 2006-07-06 T-Mobile Deutschland Gmbh Verfahren und Vorrichtung zum Betrieb von MIMO-Luftschnittstellen bei Mobilkommunikationssystemen
US7554885B2 (en) * 2005-02-22 2009-06-30 Northrop Grumman Guidance And Electronics Company, Inc. Polarization diversity for optical fiber applications
US8670664B2 (en) * 2010-02-26 2014-03-11 Fujitsu Limited System and method for managing the selection of ghost channels for mitigating polarization hole burning
US8542992B2 (en) * 2010-02-26 2013-09-24 Fujitsu Limited System and method for mitigating polarization hole burning
US8811822B2 (en) * 2010-02-26 2014-08-19 Fujitsu Limited System and method for selection of ghost channels for mitigating polarization hole burning
US8090259B2 (en) * 2010-02-26 2012-01-03 Fujitsu Limited System and method for optimizing the selection of ghost channels in mitigating polarization hole burning
ITTO20130973A1 (it) 2013-11-29 2015-05-30 Scuola Superiore Di Studi Universit Ari E Di Perfe Ricevitore ottico coerente indipendente dalla polarizzazione

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI74371C (fi) * 1982-06-04 1988-01-11 British Telecomm Optisk oeverfoering.
US4549781A (en) * 1983-06-01 1985-10-29 Corning Glass Works Polarization-retaining single-mode optical waveguide
WO1987004881A1 (en) * 1986-01-31 1987-08-13 Advanced Lasers Ltd. Fibre communication laser system
GB8630959D0 (en) * 1986-12-29 1987-02-04 British Telecomm Optical polarisation control
GB8727846D0 (en) * 1987-11-27 1987-12-31 British Telecomm Optical communications network
JPS63229926A (ja) * 1987-03-18 1988-09-26 Fujitsu Ltd 光通信方式
US4973169A (en) * 1987-06-24 1990-11-27 Martin Marietta Corporation Method and apparatus for securing information communicated through optical fibers
JPH063511B2 (ja) * 1987-10-27 1994-01-12 日本電気株式会社 光ヘテロダイン・ホモダイン検波方法

Also Published As

Publication number Publication date
CA2029791A1 (en) 1991-05-15
EP0428119A3 (en) 1992-03-04
EP0428119A2 (en) 1991-05-22
US5127066A (en) 1992-06-30
IT8967995A1 (it) 1991-05-14
JPH03210841A (ja) 1991-09-13
IT8967995A0 (it) 1989-11-14

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941125