FR2687867A1 - Ensemble formant preamplificateur et recepteur optique, et procede d'optimisation de sa sensibilite. - Google Patents

Ensemble formant preamplificateur et recepteur optique, et procede d'optimisation de sa sensibilite. Download PDF

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Publication number
FR2687867A1
FR2687867A1 FR9215623A FR9215623A FR2687867A1 FR 2687867 A1 FR2687867 A1 FR 2687867A1 FR 9215623 A FR9215623 A FR 9215623A FR 9215623 A FR9215623 A FR 9215623A FR 2687867 A1 FR2687867 A1 FR 2687867A1
Authority
FR
France
Prior art keywords
optical
preamplifier
amplifier
receiver
fiber
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.)
Withdrawn
Application number
FR9215623A
Other languages
English (en)
French (fr)
Inventor
Baker Robert Anthony
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of FR2687867A1 publication Critical patent/FR2687867A1/fr
Withdrawn legal-status Critical Current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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
    • 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
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
    • H04B10/672—Optical arrangements in the receiver for controlling the input optical signal for controlling the power of the input optical signal
    • H04B10/673—Optical arrangements in the receiver for controlling the input optical signal for controlling the power of the input optical signal using an optical preamplifier
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0078—Frequency filtering
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
FR9215623A 1991-12-24 1992-12-23 Ensemble formant preamplificateur et recepteur optique, et procede d'optimisation de sa sensibilite. Withdrawn FR2687867A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9127402A GB2262836A (en) 1991-12-24 1991-12-24 Optical pre-amplifier/receiver arrangement.

Publications (1)

Publication Number Publication Date
FR2687867A1 true FR2687867A1 (fr) 1993-08-27

Family

ID=10706832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9215623A Withdrawn FR2687867A1 (fr) 1991-12-24 1992-12-23 Ensemble formant preamplificateur et recepteur optique, et procede d'optimisation de sa sensibilite.

Country Status (3)

Country Link
JP (1) JPH0697891A (ja)
FR (1) FR2687867A1 (ja)
GB (1) GB2262836A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750552B1 (fr) * 1996-06-26 1998-07-31 Alcatel Submarcom Recepteur pour systeme de transmission de signaux numeriques par voie optique
JP3646006B2 (ja) * 1998-07-10 2005-05-11 横河電機株式会社 光パルス発生器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305995B1 (en) * 1987-09-01 1993-11-03 Nec Corporation An optical amplifying repeater
JPH02184828A (ja) * 1989-01-12 1990-07-19 Toshiba Corp 半導体光増幅器
GB2230912B (en) * 1989-04-22 1993-10-20 Stc Plc Optical amplifier gain control
GB9008735D0 (en) * 1990-04-18 1990-06-13 British Telecomm Fibre amplifier with automatic gain control
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier

Also Published As

Publication number Publication date
GB9127402D0 (en) 1992-02-19
JPH0697891A (ja) 1994-04-08
GB2262836A (en) 1993-06-30

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Date Code Title Description
ST Notification of lapse