GB2440428B - Twin optical amplifier with dual pump power control - Google Patents

Twin optical amplifier with dual pump power control

Info

Publication number
GB2440428B
GB2440428B GB0713676A GB0713676A GB2440428B GB 2440428 B GB2440428 B GB 2440428B GB 0713676 A GB0713676 A GB 0713676A GB 0713676 A GB0713676 A GB 0713676A GB 2440428 B GB2440428 B GB 2440428B
Authority
GB
United Kingdom
Prior art keywords
power control
optical amplifier
pump power
dual pump
twin 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
GB0713676A
Other versions
GB0713676D0 (en
GB2440428A (en
Inventor
Alan Olway
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.)
Azea Networks Ltd
Original Assignee
Azea Networks 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 Azea Networks Ltd filed Critical Azea Networks Ltd
Priority to GB0713676A priority Critical patent/GB2440428B/en
Priority claimed from GB0614554A external-priority patent/GB2428920B/en
Publication of GB0713676D0 publication Critical patent/GB0713676D0/en
Publication of GB2440428A publication Critical patent/GB2440428A/en
Application granted granted Critical
Publication of GB2440428B publication Critical patent/GB2440428B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation 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
    • H04B10/29—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
    • H04B10/2942—Signal power control in a multiwavelength system, e.g. gain equalisation using automatic gain control [AGC]
    • 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
    • H04B10/298—Two-way repeaters, i.e. repeaters amplifying separate upward and downward lines

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB0713676A 2006-07-21 2006-07-21 Twin optical amplifier with dual pump power control Expired - Fee Related GB2440428B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0713676A GB2440428B (en) 2006-07-21 2006-07-21 Twin optical amplifier with dual pump power control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0614554A GB2428920B (en) 2005-07-25 2006-07-21 Twin Optical Amplifier with Dual Pump Power Control
GB0713676A GB2440428B (en) 2006-07-21 2006-07-21 Twin optical amplifier with dual pump power control

Publications (3)

Publication Number Publication Date
GB0713676D0 GB0713676D0 (en) 2007-08-22
GB2440428A GB2440428A (en) 2008-01-30
GB2440428B true GB2440428B (en) 2008-05-07

Family

ID=38461566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0713676A Expired - Fee Related GB2440428B (en) 2006-07-21 2006-07-21 Twin optical amplifier with dual pump power control

Country Status (1)

Country Link
GB (1) GB2440428B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525684A2 (en) * 1991-07-24 1993-02-03 Fujitsu Limited Integrated semiconductor laser array apparatus
JPH05267757A (en) * 1992-03-23 1993-10-15 Mitsubishi Electric Corp Fiber type light amplifier
US5912761A (en) * 1998-01-22 1999-06-15 Tyco Submarine Systems Ltd. Apparatus and method for controlling shared optical pump power sources
US20030174390A1 (en) * 2001-12-10 2003-09-18 Motoki Kakui Optical amplifier and optical communication system including the same
US20040126107A1 (en) * 2002-12-31 2004-07-01 Intelligent Photonics Control Corporation Optical control system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525684A2 (en) * 1991-07-24 1993-02-03 Fujitsu Limited Integrated semiconductor laser array apparatus
JPH05267757A (en) * 1992-03-23 1993-10-15 Mitsubishi Electric Corp Fiber type light amplifier
US5912761A (en) * 1998-01-22 1999-06-15 Tyco Submarine Systems Ltd. Apparatus and method for controlling shared optical pump power sources
US20030174390A1 (en) * 2001-12-10 2003-09-18 Motoki Kakui Optical amplifier and optical communication system including the same
US20040126107A1 (en) * 2002-12-31 2004-07-01 Intelligent Photonics Control Corporation Optical control system

Also Published As

Publication number Publication date
GB0713676D0 (en) 2007-08-22
GB2440428A (en) 2008-01-30

Similar Documents

Publication Publication Date Title
EP2219057A4 (en) Optical connection structure
KR20180085073A (en) Pumping cassette
EP2212990A4 (en) Power control
GB0623835D0 (en) Multi mode fibre perturber
EP2371043A4 (en) Improved cladding-pumped optical waveguide
EP1983359A4 (en) Optical waveguide
EP2043205A4 (en) Optical amplifier
EP1971885A4 (en) Optical waveguide
EP2158652A4 (en) Alkali-vapor laser with transverse pumping
GB2461212B (en) Optical arrangement
EP2169786A4 (en) Optical amplifier
EP2288803A4 (en) Dual mode pump control
IL201467A0 (en) Optical pulse-width modifier structure
GB0722426D0 (en) Optical amplifiers
GB2428920B (en) Twin Optical Amplifier with Dual Pump Power Control
GB2440428B (en) Twin optical amplifier with dual pump power control
GB0610697D0 (en) Larval enzyme
EP2151049A4 (en) Dual mode power amplifier
AU2007901638A0 (en) Oxygen injector
AU2006902032A0 (en) Improved pump
AU2007906884A0 (en) Pump
AU2007900251A0 (en) Pump
AU2007906317A0 (en) Dual alternate injection system
AU2006905876A0 (en) Risk calculator
AU2006902886A0 (en) Construction mount

Legal Events

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

Effective date: 20120721