DE69739227D1 - Optischer Kanalentzerrer mit lichtinduziertem Verstärkungsgitter und entsprechendes Verfahren - Google Patents

Optischer Kanalentzerrer mit lichtinduziertem Verstärkungsgitter und entsprechendes Verfahren

Info

Publication number
DE69739227D1
DE69739227D1 DE69739227T DE69739227T DE69739227D1 DE 69739227 D1 DE69739227 D1 DE 69739227D1 DE 69739227 T DE69739227 T DE 69739227T DE 69739227 T DE69739227 T DE 69739227T DE 69739227 D1 DE69739227 D1 DE 69739227D1
Authority
DE
Germany
Prior art keywords
light
optical channel
corresponding method
channel equalizer
induced gain
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 - Lifetime
Application number
DE69739227T
Other languages
English (en)
Inventor
Mark D Feuer
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69739227D1 publication Critical patent/DE69739227D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
    • 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
    • G02F1/35—Non-linear optics
    • G02F1/3523—Non-linear absorption changing by light, e.g. bleaching
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/04—Gain spectral shaping, flattening

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
DE69739227T 1996-11-19 1997-11-10 Optischer Kanalentzerrer mit lichtinduziertem Verstärkungsgitter und entsprechendes Verfahren Expired - Lifetime DE69739227D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/752,332 US6078597A (en) 1996-11-19 1996-11-19 Method and apparatus for optical signal processing by photo-induced loss and/or gain gratings

Publications (1)

Publication Number Publication Date
DE69739227D1 true DE69739227D1 (de) 2009-03-12

Family

ID=25025860

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69739227T Expired - Lifetime DE69739227D1 (de) 1996-11-19 1997-11-10 Optischer Kanalentzerrer mit lichtinduziertem Verstärkungsgitter und entsprechendes Verfahren

Country Status (4)

Country Link
US (1) US6078597A (de)
EP (1) EP0843199B1 (de)
CA (1) CA2219389C (de)
DE (1) DE69739227D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304351B1 (en) * 1998-10-28 2001-10-16 Tycom (Us) Inc. Universal branching unit
AUPP716398A0 (en) * 1998-11-17 1998-12-10 University Of Sydney, The Suppression of self pulsations in dfb fibre lasers
US6741619B1 (en) * 2000-04-03 2004-05-25 Massachusetts Institute Of Technology Semiconductor elements for stabilizing laser output
US7149432B1 (en) 2000-11-28 2006-12-12 Nortel Networks Limited Method and apparatus for equalization across plural data channels
US7196840B2 (en) 2001-11-29 2007-03-27 Broadband Royalty Corporation Amplitude balancing for multilevel signal transmission
US6886925B2 (en) * 2003-01-06 2005-05-03 Industrial Technology Research Institute Porous back-shooting inkjet print head module and method for manufacturing the same
US7383344B2 (en) * 2003-02-14 2008-06-03 Microsoft Corporation Remote encoder system and method for capturing the live presentation of video multiplexed with images
US8194709B2 (en) * 2008-06-11 2012-06-05 Massachusetts Institute Of Technology High-repetition-rate guided-mode femtosecond laser
US10605727B2 (en) * 2016-04-29 2020-03-31 Ut-Battelle, Llc Nonlinear interferometer systems and methods
US10725360B2 (en) 2018-05-10 2020-07-28 Ut-Battelle, Llc Gain balanced nonlinear optical interferometer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013377A1 (en) * 1990-02-20 1991-09-05 British Telecommunications Public Limited Company Tunable optical filters
JPH05224158A (ja) * 1992-02-14 1993-09-03 Matsushita Electric Ind Co Ltd 光フィルター及びその光フィルターを用いた光増幅装置
US5337382A (en) * 1992-05-29 1994-08-09 At&T Bell Laboratories Article comprising an optical waveguide with in-line refractive index grating
US5283686A (en) * 1992-07-27 1994-02-01 General Instrument Corporation, Jerrold Communications Optical systems with grating reflector
SE470454B (sv) * 1992-08-26 1994-04-11 Ericsson Telefon Ab L M Optisk filteranordning
GB9503781D0 (en) * 1994-05-19 1995-04-12 Univ Southampton External cavity laser
US5627848A (en) * 1995-09-05 1997-05-06 Imra America, Inc. Apparatus for producing femtosecond and picosecond pulses from modelocked fiber lasers cladding pumped with broad area diode laser arrays

Also Published As

Publication number Publication date
CA2219389A1 (en) 1998-05-19
US6078597A (en) 2000-06-20
EP0843199B1 (de) 2009-01-21
CA2219389C (en) 2001-10-09
EP0843199A2 (de) 1998-05-20
EP0843199A3 (de) 1999-01-27

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Legal Events

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8364 No opposition during term of opposition