FR2737788B1 - BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS - Google Patents

BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS

Info

Publication number
FR2737788B1
FR2737788B1 FR9609431A FR9609431A FR2737788B1 FR 2737788 B1 FR2737788 B1 FR 2737788B1 FR 9609431 A FR9609431 A FR 9609431A FR 9609431 A FR9609431 A FR 9609431A FR 2737788 B1 FR2737788 B1 FR 2737788B1
Authority
FR
France
Prior art keywords
wavelength multiplexing
bidirectional
optical amplifier
optical systems
systems
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 - Fee Related
Application number
FR9609431A
Other languages
French (fr)
Other versions
FR2737788A1 (en
Inventor
Jamil Chawki
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.)
Orange SA
Original Assignee
France Telecom 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
Priority claimed from FR9509578A external-priority patent/FR2737787B1/en
Application filed by France Telecom SA filed Critical France Telecom SA
Priority to FR9609431A priority Critical patent/FR2737788B1/en
Publication of FR2737788A1 publication Critical patent/FR2737788A1/en
Application granted granted Critical
Publication of FR2737788B1 publication Critical patent/FR2737788B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/297—Bidirectional amplification
    • H04B10/2971—A single amplifier for both directions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06787—Bidirectional amplifier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
    • H01S3/2333—Double-pass amplifiers
FR9609431A 1995-08-07 1996-07-26 BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS Expired - Fee Related FR2737788B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9609431A FR2737788B1 (en) 1995-08-07 1996-07-26 BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509578A FR2737787B1 (en) 1995-08-07 1995-08-07 BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS
FR9609431A FR2737788B1 (en) 1995-08-07 1996-07-26 BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS

Publications (2)

Publication Number Publication Date
FR2737788A1 FR2737788A1 (en) 1997-02-14
FR2737788B1 true FR2737788B1 (en) 1998-12-04

Family

ID=26232150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9609431A Expired - Fee Related FR2737788B1 (en) 1995-08-07 1996-07-26 BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS

Country Status (1)

Country Link
FR (1) FR2737788B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2731614B2 (en) * 1989-12-25 1998-03-25 日本電信電話株式会社 Bidirectional optical amplifier
DE69224340T2 (en) * 1991-09-30 1998-06-04 Nec Corp Two-way repeater with optical amplification
FR2687030A1 (en) * 1992-02-04 1993-08-06 Alsthom Cge Alcatel Installation for bi-directional information transmission using optical fibre(s)
GB2265751B (en) * 1992-03-23 1995-12-20 Univ Southampton Optical amplifier with automatic self adjusting gain spectrum
US5283686A (en) * 1992-07-27 1994-02-01 General Instrument Corporation, Jerrold Communications Optical systems with grating reflector

Also Published As

Publication number Publication date
FR2737788A1 (en) 1997-02-14

Similar Documents

Publication Publication Date Title
FR2743637B1 (en) OPTICAL TRANSMISSION LINE FOR WAVELENGTH DIVISION MULTIPLEX OPTICAL SIGNALS
BR9600511A (en) Bidirectional optical telecommunication system comprising a bidirectional optical amplifier
FR2689349B1 (en) WAVELENGTH MULTIPLEXER FOR INTEGRATED OPTICAL SYSTEM.
DK0627639T3 (en) Optical fiber for wavelength multiplexing
FR2766998B1 (en) WAVE LENGTH MULTIPLEXING OPTICAL TRANSMISSION SYSTEM
DE69613219D1 (en) FIBER OPTICAL SPLICE
DE69630812D1 (en) OPTICAL TRANSMISSION SYSTEMS WITH OPTICAL AMPLIFIERS AND WAVELENGTH MULTIPLEXING
FR2734651B1 (en) FIBER OPTIC CONNECTION BOX
FR2782199B1 (en) FIBER OPTIC AMPLIFIER WITH LARGE WAVELENGTH
FR2785750B1 (en) WAVE LENGTH STABILIZER IN A WAVELENGTH DIVISION MULTIPLEXING OPTICAL TRANSMISSION SYSTEM
FR2790625B1 (en) WAVELENGTH DIVISION MULTIPLEXING OPTICAL TRANSMISSION SYSTEM
FR2755807B1 (en) DEMULTIPLEXING DEVICE FOR FIBER OPTICS COMMUNICATIONS, MULTIPLEXED BY WAVELENGTH DISTRIBUTION
FR2733060B1 (en) OPTICAL SYSTEM WITH TWO WAVELENGTH BANDS
FR2759830B1 (en) OPTICAL REGENERATION FOR NON-SOLITON SIGNAL FIBER OPTIC TRANSMISSION SYSTEMS
DE69623830D1 (en) Optical feedback photodetector device
DE69732278D1 (en) Optical fiber laser device
FR2738927B1 (en) ALL OPTICAL DOUBLE
FR2744307B1 (en) OPTICAL FIBER AMPLIFIER
FR2738928B1 (en) OPTICAL AMPLIFIER
FR2731524B1 (en) FIBER OPTICAL AMPLIFIER WITH BIDIRECTIONAL PUMPING
FR2737787B1 (en) BIDIRECTIONAL OPTICAL AMPLIFIER FOR WAVELENGTH MULTIPLEXING OPTICAL SYSTEMS
FR2765972B1 (en) WAVELENGTH-DISPERSION OPTICAL SYSTEM
FR2799070B1 (en) WAVELENGTH MULTIPLEX OPTICAL SIGNAL REGENERATOR
FR2756638B1 (en) WAVELENGTH OPTICAL FILTER AND DEMULTIPLEXER
FR2725529B1 (en) WAVELENGTH SELECTIVE OPTICAL COUPLER

Legal Events

Date Code Title Description
ST Notification of lapse