GB0129785D0 - Low noise optical amplifier - Google Patents
Low noise optical amplifierInfo
- 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- Withdrawn
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
- H04B10/2942—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
- H04B10/2912—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
- H04B10/2916—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 Raman or Brillouin amplifiers
-
- 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
- H04B10/296—Transient 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)
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)
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 |
ATE321385T1 (en) | 2003-10-30 | 2006-04-15 | Cit 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)
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 |
EP2306605B1 (en) * | 1998-07-23 | 2012-05-23 | The Furukawa Electric Co., Ltd. | Pumping unit for a Raman amplifier and Raman amplifier comprising the same |
GB9911665D0 (en) * | 1999-05-19 | 1999-07-21 | Cit Alcatel | An optical amplifier |
-
2001
- 2001-12-12 GB GB0129785A patent/GB2383209A/en not_active Withdrawn
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) |