GB0129785D0 - Low noise optical amplifier - Google Patents

Low noise optical amplifier

Info

Publication number
GB0129785D0
GB0129785D0 GB0129785A GB0129785A GB0129785D0 GB 0129785 D0 GB0129785 D0 GB 0129785D0 GB 0129785 A GB0129785 A GB 0129785A GB 0129785 A GB0129785 A GB 0129785A GB 0129785 D0 GB0129785 D0 GB 0129785D0
Authority
GB
United Kingdom
Prior art keywords
low noise
optical amplifier
noise optical
amplifier
low
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Withdrawn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
GB0129785A
Other versions
GB2383209A (en
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.)
GOODFELLOW ROBERT C
Original Assignee
GOODFELLOW ROBERT C
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 GOODFELLOW ROBERT C filed Critical GOODFELLOW ROBERT C
Priority to GB0129785A priority Critical patent/GB2383209A/en
Publication of GB0129785D0 publication Critical patent/GB0129785D0/en
Publication of GB2383209A publication Critical patent/GB2383209A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29Repeaters
    • H04B10/291Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293Signal power control
    • H04B10/294Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/2942Signal power control in a multiwavelength system, e.g. gain equalisation using automatic gain control [AGC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29Repeaters
    • H04B10/291Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912Repeaters 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
    • H04B10/2916Repeaters 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 Raman or Brillouin amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29Repeaters
    • H04B10/291Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293Signal power control
    • H04B10/294Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/296Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB0129785A 2001-12-12 2001-12-12 Raman optical amplifier with two power control loops Withdrawn GB2383209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0129785A GB2383209A (en) 2001-12-12 2001-12-12 Raman optical amplifier with two power control loops

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0129785A GB2383209A (en) 2001-12-12 2001-12-12 Raman optical amplifier with two power control loops

Publications (2)

Publication Number Publication Date
GB0129785D0 true GB0129785D0 (en) 2002-01-30
GB2383209A GB2383209A (en) 2003-06-18

Family

ID=9927525

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0129785A Withdrawn GB2383209A (en) 2001-12-12 2001-12-12 Raman optical amplifier with two power control loops

Country Status (1)

Country Link
GB (1) GB2383209A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO801054L (en) * 1979-04-17 1980-10-20 Unilever Emery POLYAMIDE, THE POLYALKYLEN MODIFIED WITH SUCH POLYAMIDE, AND THE USE OF THE POLYALKYLENE
EP1528698B1 (en) * 2003-10-30 2006-03-22 Alcatel Raman amplifier with gain control
JP4415746B2 (en) * 2004-04-23 2010-02-17 住友電気工業株式会社 Raman amplifier
KR100714102B1 (en) * 2005-09-13 2007-05-02 한국전자통신연구원 Apparatus for optical amplifying with function of channel output flattening
US7916384B2 (en) 2006-05-02 2011-03-29 At&T Intellectual Property Ii, L.P. Feedback dynamic gain control for a WDM system employing multi wavelength pumped Raman fiber amplifiers
PL217541B1 (en) * 2011-10-14 2014-07-31 Telekomunikacja Polska Spółka Akcyjna Optical system for the simultaneous separation of the polarization channels and the orthogonally polarized strengthening of light signals in the fiber optic telecommunications system
CN105915288B (en) * 2016-06-06 2018-06-26 同济大学 A kind of Polarization Dependent Loss compensation system based on Raman amplifiction effect

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2546484B2 (en) * 1993-04-13 1996-10-23 日本電気株式会社 Optical fiber amplifier device
JPH08278523A (en) * 1995-04-05 1996-10-22 Hitachi Ltd Light amplifier
JP3363003B2 (en) * 1995-10-03 2003-01-07 株式会社日立製作所 Optical amplifier and optical transmission system using optical amplifier
EP1018666B1 (en) * 1998-07-23 2012-04-18 The Furukawa Electric Co., Ltd. Optical repeater
GB9911665D0 (en) * 1999-05-19 1999-07-21 Cit Alcatel An optical amplifier

Also Published As

Publication number Publication date
GB2383209A (en) 2003-06-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)