FR2834137B1 - Amplificateur de raman et systeme de transmission optique - Google Patents
Amplificateur de raman et systeme de transmission optiqueInfo
- Publication number
- FR2834137B1 FR2834137B1 FR0203986A FR0203986A FR2834137B1 FR 2834137 B1 FR2834137 B1 FR 2834137B1 FR 0203986 A FR0203986 A FR 0203986A FR 0203986 A FR0203986 A FR 0203986A FR 2834137 B1 FR2834137 B1 FR 2834137B1
- Authority
- FR
- France
- Prior art keywords
- transmission system
- optical transmission
- raman amplifier
- raman
- amplifier
- 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
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
- H04B10/2912—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
- 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
- H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
- H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- 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
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
-
- 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
-
- 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
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094096—Multi-wavelength pumping
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001390366A JP3808766B2 (ja) | 2001-12-21 | 2001-12-21 | ラマン増幅器および光伝送システム |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2834137A1 FR2834137A1 (fr) | 2003-06-27 |
FR2834137B1 true FR2834137B1 (fr) | 2006-08-11 |
Family
ID=19188370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0203986A Expired - Fee Related FR2834137B1 (fr) | 2001-12-21 | 2002-03-29 | Amplificateur de raman et systeme de transmission optique |
Country Status (4)
Country | Link |
---|---|
US (1) | US6671083B2 (fr) |
JP (1) | JP3808766B2 (fr) |
FR (1) | FR2834137B1 (fr) |
GB (1) | GB2383466B (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2827099A1 (fr) * | 2001-07-05 | 2003-01-10 | Cit Alcatel | Systeme de transmission a fibre optique a amplification par diffusion raman stimulee |
US6992814B2 (en) * | 2002-06-17 | 2006-01-31 | Avanex Corporation | Wide-band raman amplifiers |
JP4046602B2 (ja) * | 2002-12-06 | 2008-02-13 | 三菱電機株式会社 | ラマン増幅器および光中継伝送システム |
JP3961973B2 (ja) * | 2003-03-14 | 2007-08-22 | 富士通株式会社 | Otdrによる測定方法及び端局装置 |
FR2853092A1 (fr) * | 2003-03-31 | 2004-10-01 | France Telecom | Dispositif optique, notamment de suppression du bruit dit de double retro-diffusion rayleigh, et installation comportant un tel dispositif |
JP4176527B2 (ja) | 2003-03-31 | 2008-11-05 | 富士通株式会社 | ラマン増幅器およびそれを用いた光伝送システム |
KR100487190B1 (ko) * | 2003-04-22 | 2005-05-04 | 삼성전자주식회사 | 라만 광증폭기 |
US7499065B2 (en) * | 2004-06-11 | 2009-03-03 | Texas Instruments Incorporated | Asymmetrical switching delay compensation in display systems |
WO2008014374A2 (fr) * | 2006-07-26 | 2008-01-31 | Applied Optoelectronics, Inc. | Régulation de la transmission de signaux optique pour réduire la détérioration des signaux optiques |
US7982869B2 (en) | 2006-10-24 | 2011-07-19 | Pd-Ld Inc. | Compact, low cost Raman monitor for single substances |
US8553221B2 (en) | 2006-10-24 | 2013-10-08 | Pd-Ld, Inc. | Compact, low cost Raman monitor for single substances |
US8228598B2 (en) * | 2008-01-07 | 2012-07-24 | Xtera Communications, Inc. | Optical amplifier with Raman and rare-earth-doped fiber amplifier both pumped efficiently using direct and reflected pump light |
US8867921B2 (en) * | 2008-10-01 | 2014-10-21 | Ziva Corporation | Optical communications in amplified reciprocal networks |
JP5353582B2 (ja) * | 2009-09-10 | 2013-11-27 | 富士通株式会社 | 光増幅装置 |
US8854726B2 (en) * | 2012-03-13 | 2014-10-07 | Adva Optical Networking Se | Method for controlling signal gain of a Raman amplifier |
US9148710B2 (en) * | 2012-09-19 | 2015-09-29 | Ciena Corporation | Raman amplifier system and method with integrated optical time domain reflectometer |
EP3438735A4 (fr) * | 2016-03-30 | 2019-11-06 | Nec Corporation | Appareil de source de lumière d'excitation et procédé d'égalisation de gain |
US9847831B2 (en) * | 2016-04-08 | 2017-12-19 | Ciena Corporation | Dual wavelenth optical time domain reflectometer systems and methods embedded in a WDM system |
US11189986B2 (en) * | 2018-09-24 | 2021-11-30 | Fujitsu Limited | Low-noise Raman amplifier |
US11621778B2 (en) * | 2019-06-11 | 2023-04-04 | Nippon Telegraph And Telephone Corporation | Optical communication system and optical communication method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60263538A (ja) | 1984-06-11 | 1985-12-27 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ伝送方式 |
JPH02153327A (ja) | 1988-12-06 | 1990-06-13 | Oki Electric Ind Co Ltd | 光増幅モジュール |
US6344922B1 (en) | 1998-07-21 | 2002-02-05 | Corvis Corporation | Optical signal varying devices |
JP2000151507A (ja) | 1998-11-09 | 2000-05-30 | Nippon Telegr & Teleph Corp <Ntt> | 光伝送システム |
JP2001185787A (ja) | 1999-12-24 | 2001-07-06 | Sumitomo Electric Ind Ltd | 分布ラマン増幅器 |
US6424455B1 (en) * | 2000-10-03 | 2002-07-23 | Tycom (Us) Inc. | Wide bandwidth fiber raman amplifier |
-
2001
- 2001-12-21 JP JP2001390366A patent/JP3808766B2/ja not_active Expired - Fee Related
-
2002
- 2002-03-20 US US10/101,265 patent/US6671083B2/en not_active Expired - Fee Related
- 2002-03-21 GB GB0206685A patent/GB2383466B/en not_active Expired - Fee Related
- 2002-03-29 FR FR0203986A patent/FR2834137B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3808766B2 (ja) | 2006-08-16 |
JP2003198465A (ja) | 2003-07-11 |
GB2383466A (en) | 2003-06-25 |
US6671083B2 (en) | 2003-12-30 |
FR2834137A1 (fr) | 2003-06-27 |
GB2383466B (en) | 2005-07-20 |
GB0206685D0 (en) | 2002-05-01 |
US20030117692A1 (en) | 2003-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20141128 |