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IT1271648B - Generatore laser a fibra ottica a concatenamento modale attivo ad impulsi a frequenza istantanea variabile - Google Patents

Generatore laser a fibra ottica a concatenamento modale attivo ad impulsi a frequenza istantanea variabile

Info

Publication number
IT1271648B
IT1271648B ITMI941327A ITMI941327A IT1271648B IT 1271648 B IT1271648 B IT 1271648B IT MI941327 A ITMI941327 A IT MI941327A IT MI941327 A ITMI941327 A IT MI941327A IT 1271648 B IT1271648 B IT 1271648B
Authority
IT
Italy
Prior art keywords
duration
fiber optic
fiber
impulses
laser generator
Prior art date
Application number
ITMI941327A
Other languages
English (en)
Inventor
Flavio Fontana
Pierluigi Franco
Original Assignee
Pirelli Cavi Spa
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 Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of ITMI941327A0 publication Critical patent/ITMI941327A0/it
Priority to ITMI941327A priority Critical patent/IT1271648B/it
Priority to US08/455,549 priority patent/US5570438A/en
Priority to CA002151441A priority patent/CA2151441C/en
Priority to AU21637/95A priority patent/AU682954B2/en
Priority to EP95109328A priority patent/EP0692888B1/en
Priority to DE69527752T priority patent/DE69527752T2/de
Priority to JP7161077A priority patent/JPH0851244A/ja
Priority to BR9502281A priority patent/BR9502281A/pt
Publication of ITMI941327A1 publication Critical patent/ITMI941327A1/it
Application granted granted Critical
Publication of IT1271648B publication Critical patent/IT1271648B/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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/25077—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion using soliton propagation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

Collegamento ottico ad alta velocità di trasmissione, comprendente una sorgente laser di generazione di impulsi, mezzi a fibra ottica di trasmissione, ed un ricevitore, in cui detti mezzi a fibra ottica formano un percorso ottico in fibra, tale che un segnale ad impulso di tipo solitonico è soggetto ad un allargamento temporale maggiore di 50% per effetto della dispersione cromatica, in cui detta sorgente laser comprende un laser a fibra ottica a concatenamento modale attivo ed armonico, con lunghezza di fibra, banda passante di filtro, potenza nella cavità scelti per l'emissione di impulsi a profilo temporale gaussiano, con durata e larghezza di banda tali che, al ricevitore, la durata degli impulsi stessi non è superiore più del 15% alla durata all'emissione.
ITMI941327A 1994-06-27 1994-06-27 Generatore laser a fibra ottica a concatenamento modale attivo ad impulsi a frequenza istantanea variabile IT1271648B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ITMI941327A IT1271648B (it) 1994-06-27 1994-06-27 Generatore laser a fibra ottica a concatenamento modale attivo ad impulsi a frequenza istantanea variabile
US08/455,549 US5570438A (en) 1994-06-27 1995-05-31 Active-mode-locking optical-fibre pulsed laser generator having a variable instantaneous frequency
CA002151441A CA2151441C (en) 1994-06-27 1995-06-09 Active-mode-locking optical fibre pulsed laser generator having a variable instantaneous frequency
AU21637/95A AU682954B2 (en) 1994-06-27 1995-06-13 Active-mode-locking optical-fibre pulsed laser generator having a variable instantaneous frequency
EP95109328A EP0692888B1 (en) 1994-06-27 1995-06-16 Active-mode-locking optical-fibre pulsed laser generator having a variable instantaneous frequency
DE69527752T DE69527752T2 (de) 1994-06-27 1995-06-16 Aktiver modengekoppelter optisch gepulster Lasergenerator mit variabler Momentanfrequenz.
JP7161077A JPH0851244A (ja) 1994-06-27 1995-06-27 変更可能な瞬時周波数を有する能動型モード・ロッキング光ファイバ・パルス・レーザ発生器
BR9502281A BR9502281A (pt) 1994-06-27 1995-06-27 Gerador laser pulsante de fibra óptica no modo de travamento ativo possuindo uma frequência instanteamente variável

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI941327A IT1271648B (it) 1994-06-27 1994-06-27 Generatore laser a fibra ottica a concatenamento modale attivo ad impulsi a frequenza istantanea variabile

Publications (3)

Publication Number Publication Date
ITMI941327A0 ITMI941327A0 (it) 1994-06-27
ITMI941327A1 ITMI941327A1 (it) 1995-12-27
IT1271648B true IT1271648B (it) 1997-06-04

Family

ID=11369169

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI941327A IT1271648B (it) 1994-06-27 1994-06-27 Generatore laser a fibra ottica a concatenamento modale attivo ad impulsi a frequenza istantanea variabile

Country Status (8)

Country Link
US (1) US5570438A (it)
EP (1) EP0692888B1 (it)
JP (1) JPH0851244A (it)
AU (1) AU682954B2 (it)
BR (1) BR9502281A (it)
CA (1) CA2151441C (it)
DE (1) DE69527752T2 (it)
IT (1) IT1271648B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2346025B (en) * 1995-09-11 2000-09-13 Univ Southampton Optical pulse propagation
US6025947A (en) 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
JPH1063350A (ja) * 1996-08-14 1998-03-06 Kokusai Denshin Denwa Co Ltd <Kdd> 光周波数安定化装置
US7010231B1 (en) * 1997-08-04 2006-03-07 Cisco Photonics Italy S.R.L. System and method of high-speed transmission and appropriate transmission apparatus
US6590910B2 (en) * 2000-09-22 2003-07-08 Calmar Optcom, Inc. Actively mode-locked fiber laser with controlled chirp output
US6591047B2 (en) * 2001-02-12 2003-07-08 Eci Telecom Ltd. Method and apparatus for compensation of nonlinearity in fiber optic links
US7184553B2 (en) 2002-02-07 2007-02-27 Eci Telecom Ltd. Method and system for encryption of optical signals
JP4397239B2 (ja) * 2004-01-15 2010-01-13 富士通株式会社 光伝送システム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439007A (en) * 1981-06-09 1984-03-27 Bell Telephone Laboratories, Incorporated Low dispersion single mode fiber
US4447125A (en) * 1981-06-09 1984-05-08 Bell Telephone Laboratories, Incorporated Low dispension single mode fiber
US4918751A (en) * 1987-10-05 1990-04-17 The University Of Rochester Method for optical pulse transmission through optical fibers which increases the pulse power handling capacity of the fibers
US5189483A (en) * 1989-02-28 1993-02-23 Fujitsu Limited Apparatus for measurement of chromatic dispersion in a single mode optical fiber
WO1992007430A1 (en) * 1990-10-18 1992-04-30 Australian And Overseas Telecommunications Corporation Limited Quasi-soliton communication system
US5185827A (en) * 1991-09-26 1993-02-09 At&T Bell Laboratories Apparatus for compensating chromatic dispersion in optical fibers
US5212711A (en) * 1992-02-18 1993-05-18 At&T Bell Laboratories Harmonically mode-locked laser
US5303079A (en) * 1992-04-09 1994-04-12 At&T Bell Laboratories Tunable chirp, lightwave modulator for dispersion compensation
JP2701189B2 (ja) * 1992-09-25 1998-01-21 国際電信電話株式会社 光通信伝送路
IT1263613B (it) * 1993-02-19 1996-08-27 Pirelli Cavi Spa Generatore laser a fibra ottica a concatenamento modale attivo

Also Published As

Publication number Publication date
AU682954B2 (en) 1997-10-23
AU2163795A (en) 1996-01-11
US5570438A (en) 1996-10-29
BR9502281A (pt) 1997-03-11
EP0692888A2 (en) 1996-01-17
CA2151441C (en) 1999-12-28
JPH0851244A (ja) 1996-02-20
DE69527752T2 (de) 2003-04-24
ITMI941327A1 (it) 1995-12-27
CA2151441A1 (en) 1995-12-28
ITMI941327A0 (it) 1994-06-27
EP0692888B1 (en) 2002-08-14
DE69527752D1 (de) 2002-09-19
EP0692888A3 (en) 1996-11-20

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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: 19970626