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
  • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
  • H04B10/2914—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using lumped semiconductor optical amplifiers [SOA]
• • 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
  • H01S5/00—Semiconductor lasers
  • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
• • 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
  • H04B10/50—Transmitters
  • H04B10/501—Structural aspects
  • H04B10/503—Laser transmitters
  • H04B10/505—Laser transmitters using external modulation
• • 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
  • H01S5/00—Semiconductor lasers
  • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
  • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
  • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
  • H01S5/06213—Amplitude modulation
• • 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
  • H01S5/00—Semiconductor lasers
  • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
  • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
  • H01S5/06233—Controlling other output parameters than intensity or frequency
  • H01S5/06236—Controlling other output parameters than intensity or frequency controlling the polarisation, e.g. TM/TE polarisation switching
• • 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
  • H01S5/00—Semiconductor lasers
  • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
  • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
  • H01S5/06233—Controlling other output parameters than intensity or frequency
  • H01S5/06246—Controlling other output parameters than intensity or frequency controlling the phase

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Optics & Photonics (AREA)
• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• General Physics & Mathematics (AREA)
• Optical Communication System (AREA)
• Gyroscopes (AREA)
• Crystals, And After-Treatments Of Crystals (AREA)
• Semiconductor Lasers (AREA)
• Liquid Crystal Substances (AREA)
• Prostheses (AREA)
• Developing Agents For Electrophotography (AREA)
• Materials For Medical Uses (AREA)
• Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
• Valve Device For Special Equipments (AREA)
• Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=10648438

Family Applications (1)

Country Status (12)

Families Citing this family (10)

Family Cites Families (4)

• 1988
  • 1988-12-14 GB GB888829116A patent/GB8829116D0/en active Pending
• 1989
  • 1989-12-14 AT AT89313111T patent/ATE101284T1/de active
  • 1989-12-14 DE DE68912911T patent/DE68912911T2/de not_active Expired - Fee Related
  • 1989-12-14 CA CA002005579A patent/CA2005579C/en not_active Expired - Fee Related
  • 1989-12-14 JP JP2500842A patent/JPH04502217A/ja active Pending
  • 1989-12-14 EP EP89313111A patent/EP0373945B1/en not_active Expired - Lifetime
  • 1989-12-14 AU AU47498/90A patent/AU637073B2/en not_active Ceased
  • 1989-12-14 WO PCT/GB1989/001500 patent/WO1990007141A1/en not_active Ceased
  • 1989-12-14 NZ NZ231777A patent/NZ231777A/en unknown
  • 1989-12-14 FI FI912839A patent/FI912839A7/fi unknown
• 1991
  • 1991-06-03 GB GB9112112A patent/GB2254480B/en not_active Expired - Fee Related
  • 1991-06-13 NO NO91912284A patent/NO912284L/no unknown
  • 1991-06-13 DK DK113991A patent/DK113991A/da not_active Application Discontinuation

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