GB2351861B - Optical amplifier - Google Patents

Optical amplifier

Info

Publication number
GB2351861B
GB2351861B GB0008851A GB0008851A GB2351861B GB 2351861 B GB2351861 B GB 2351861B GB 0008851 A GB0008851 A GB 0008851A GB 0008851 A GB0008851 A GB 0008851A GB 2351861 B GB2351861 B GB 2351861B
Authority
GB
United Kingdom
Prior art keywords
optical amplifier
amplifier
optical
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
GB0008851A
Other versions
GB2351861A (en
GB0008851D0 (en
Inventor
Lars Johan Albinsson Nilsson
Sung-Jun Kim
Yong-Woo Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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
Priority claimed from KR1019970060016A external-priority patent/KR100424772B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB0008851D0 publication Critical patent/GB0008851D0/en
Publication of GB2351861A publication Critical patent/GB2351861A/en
Application granted granted Critical
Publication of GB2351861B publication Critical patent/GB2351861B/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
    • H04B10/293—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
    • 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
    • H01S3/06754—Fibre amplifiers
    • H01S3/06758—Tandem amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
GB0008851A 1997-11-14 1998-11-16 Optical amplifier Expired - Fee Related GB2351861B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019970060016A KR100424772B1 (en) 1997-11-14 1997-11-14 Optical amplifier system
GB9824915A GB2331420B (en) 1997-11-14 1998-11-16 Optical amplifier

Publications (3)

Publication Number Publication Date
GB0008851D0 GB0008851D0 (en) 2000-05-31
GB2351861A GB2351861A (en) 2001-01-10
GB2351861B true GB2351861B (en) 2001-02-21

Family

ID=26314668

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0008854A Expired - Fee Related GB2351862B (en) 1997-11-14 1998-11-16 Optical amplifier
GB0008851A Expired - Fee Related GB2351861B (en) 1997-11-14 1998-11-16 Optical amplifier

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0008854A Expired - Fee Related GB2351862B (en) 1997-11-14 1998-11-16 Optical amplifier

Country Status (1)

Country Link
GB (2) GB2351862B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1324829C (en) 2001-08-03 2007-07-04 华为技术有限公司 Method for implementing power equalization of dense wavelength divison multiplex system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293936A (en) * 1994-10-05 1996-04-10 Northern Telecom Ltd Optical amplifiers
US5572357A (en) * 1994-02-14 1996-11-05 Sumitomo Electric Industries, Ltd. Optical system for amplifying signal light
WO1997034379A1 (en) * 1996-03-13 1997-09-18 Hitachi, Ltd. Optical communication system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161612B (en) * 1984-07-11 1988-02-03 Stc Plc Optical fibre transmission systems
GB9411061D0 (en) * 1994-06-02 1994-07-20 Northern Telecom Ltd Optical waveguide amplifiers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572357A (en) * 1994-02-14 1996-11-05 Sumitomo Electric Industries, Ltd. Optical system for amplifying signal light
GB2293936A (en) * 1994-10-05 1996-04-10 Northern Telecom Ltd Optical amplifiers
WO1997034379A1 (en) * 1996-03-13 1997-09-18 Hitachi, Ltd. Optical communication system

Also Published As

Publication number Publication date
GB2351861A (en) 2001-01-10
GB0008854D0 (en) 2000-05-31
GB0008851D0 (en) 2000-05-31
GB2351862A (en) 2001-01-10
GB2351862B (en) 2001-02-21

Similar Documents

Publication Publication Date Title
US6014239C1 (en) Optical microphone
GB2289586B (en) Optical amplifiers
GB2304229B (en) Optical amplifiers
EP0717478A3 (en) Optical amplifier
GB9420132D0 (en) Optical amplifiers
GB2331420B (en) Optical amplifier
GB2310095B (en) Optical amplifiers
GB2321129B (en) Optical amplification
GB2306245B (en) Light amplifier
GB2331621B (en) Optical fiber amplifier
GB9525766D0 (en) Optical amplifier
GB9702123D0 (en) Optical components
GB9827386D0 (en) Optical amplifier
GB9722250D0 (en) Optical components
GB2324217B (en) Amplifier improvements
GB2330941B (en) An optical amplifier
GB2293936B (en) Optical amplifiers
GB2335074B (en) Optical Amplifier
GB2322026B (en) Optical amplifiers
GB9503257D0 (en) An optical amplifier
GB9805167D0 (en) Optical attenuator
GB2328787B (en) Optical pulse amplifier
GB9800136D0 (en) Optical pickup
GB2330233B (en) Optical pickup
GB2351861B (en) Optical amplifier

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061116