AU2001268557A1 - Gain control in raman amplifiers - Google Patents
Gain control in raman amplifiersInfo
- Publication number
- AU2001268557A1 AU2001268557A1 AU2001268557A AU6855701A AU2001268557A1 AU 2001268557 A1 AU2001268557 A1 AU 2001268557A1 AU 2001268557 A AU2001268557 A AU 2001268557A AU 6855701 A AU6855701 A AU 6855701A AU 2001268557 A1 AU2001268557 A1 AU 2001268557A1
- Authority
- AU
- Australia
- Prior art keywords
- gain control
- raman amplifiers
- raman
- amplifiers
- gain
- 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.)
- Abandoned
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
- 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
- H01S3/1001—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by controlling the optical 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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
- H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical 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
- H01S3/30—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
- H04B10/29—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
- H01S2301/00—Functional characteristics
- H01S2301/04—Gain spectral shaping, flattening
-
- 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
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0078—Frequency filtering
-
- 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
- H01S3/09—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
- H01S3/10069—Memorized or pre-programmed characteristics, e.g. look-up table [LUT]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/641,579 US6724524B1 (en) | 2000-08-18 | 2000-08-18 | Gain control in Raman amplifiers |
US09641579 | 2000-08-18 | ||
PCT/US2001/019529 WO2002017520A1 (en) | 2000-08-18 | 2001-06-19 | Gain control in raman amplifiers |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001268557A1 true AU2001268557A1 (en) | 2002-03-04 |
Family
ID=24572973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001268557A Abandoned AU2001268557A1 (en) | 2000-08-18 | 2001-06-19 | Gain control in raman amplifiers |
Country Status (8)
Country | Link |
---|---|
US (1) | US6724524B1 (en) |
EP (1) | EP1310055A1 (en) |
JP (1) | JP2004519702A (en) |
CN (1) | CN1531792A (en) |
AU (1) | AU2001268557A1 (en) |
CA (1) | CA2423401A1 (en) |
TW (1) | TW515150B (en) |
WO (1) | WO2002017520A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6587261B1 (en) * | 1999-05-24 | 2003-07-01 | Corvis Corporation | Optical transmission systems including optical amplifiers and methods of use therein |
WO2002019023A1 (en) * | 2000-08-30 | 2002-03-07 | Fujitsu Limited | Light amplifier using raman amplification and control method thereof |
GB0129717D0 (en) | 2001-12-12 | 2002-01-30 | Marconi Comm Ltd | A method and an apparatus for signal transmission |
US20040208586A1 (en) * | 2002-03-27 | 2004-10-21 | Susumu Kinoshita | System and method for amplifying signals in an optical network |
US7924496B2 (en) * | 2002-06-04 | 2011-04-12 | Pivotal Decisions Llc | Apparatus and method for Raman gain control |
US7440164B2 (en) * | 2002-06-04 | 2008-10-21 | Pivotal Decisions Llc | Apparatus and method for Raman gain spectral control |
ITMI20022079A1 (en) | 2002-10-02 | 2004-04-03 | Marconi Comm Ltd | RAMAN AMPLIFIER. |
CN1317599C (en) * | 2002-10-15 | 2007-05-23 | 中兴通讯股份有限公司 | Gain controlling method for reversed distributed multipumping Raman amplifier |
ATE304248T1 (en) | 2003-04-16 | 2005-09-15 | Cit Alcatel | RAMAN PUMP SOURCE BASED ON SEMICONDUCTOR OPTICAL AMPLIFIER |
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 |
US7924497B2 (en) * | 2006-09-21 | 2011-04-12 | Tyco Electronics Subsea Communications Llc | System and method for gain equalization and optical communication system incorporating the same |
US8817366B2 (en) * | 2009-09-07 | 2014-08-26 | Xieon Networks S.A.R.L. | Optical fiber amplifier with improved transient performance |
US8643941B2 (en) * | 2009-12-14 | 2014-02-04 | Finisar Israel Ltd. | Automatic measurement and gain control of distributed Raman amplifiers |
US8854726B2 (en) * | 2012-03-13 | 2014-10-07 | Adva Optical Networking Se | Method for controlling signal gain of a Raman amplifier |
US8817245B2 (en) * | 2012-08-23 | 2014-08-26 | Ciena Corporation | High-powered optical module safety systems and methods |
US8885248B2 (en) | 2012-10-17 | 2014-11-11 | Ciena Corporation | Raman amplifier gain compression systems and methods based on signal power monitoring |
CN106936061B (en) * | 2015-12-31 | 2019-07-05 | 福州高意通讯有限公司 | A kind of raman amplifier of automatic gain monitoring and adjustment |
US11588293B2 (en) * | 2017-11-21 | 2023-02-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Methods and systems for aligning master oscillator power amplifier systems |
CN108964612B (en) * | 2018-06-25 | 2022-02-22 | 中国电子科技集团公司第四十一研究所 | Low-noise distributed amplitude modulation circuit and modulation method, and microwave signal generator |
CN113764966A (en) * | 2021-08-24 | 2021-12-07 | 武汉光迅科技股份有限公司 | Raman amplifier, method and apparatus for controlling the same, and storage medium |
CN117293642A (en) * | 2023-11-27 | 2023-12-26 | 广州芯泰通信技术有限公司 | Plug-in optical amplifier module for automatic switching of DCI data center |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4654520A (en) * | 1981-08-24 | 1987-03-31 | Griffiths Richard W | Structural monitoring system using fiber optics |
US5096277A (en) * | 1982-08-06 | 1992-03-17 | Kleinerman Marcos Y | Remote measurement of physical variables with fiber optic systems |
JPS6196477A (en) * | 1984-10-18 | 1986-05-15 | Fujikura Ltd | Method for inspecting accident point of cable |
GB2170593B (en) * | 1985-02-01 | 1988-09-14 | Central Electr Generat Board | Temperature measurement |
JPH0727149B2 (en) * | 1986-11-04 | 1995-03-29 | 沖電気工業株式会社 | Optical coupler |
US4952057A (en) * | 1989-05-03 | 1990-08-28 | The United States Of America As Represented By The Secretary Of The Navy | Optical fiber backscatter signature generator (OFBSG) |
US5028775A (en) * | 1989-06-30 | 1991-07-02 | Anritsu Corporation | Optical time domain reflectometer using optical element with three control modes of oscillation, attenuation and amplification |
US5173957A (en) * | 1991-09-12 | 1992-12-22 | At&T Bell Laboratories | Pump redundancy for optical amplifiers |
US5374973A (en) * | 1993-09-21 | 1994-12-20 | Alcatel Network Systems, Inc. | Optical amplifier |
US5966206A (en) * | 1996-10-10 | 1999-10-12 | Tyco Submarine Systems Ltd. | Interlocked high power fiber system using OTDR |
US6111676A (en) * | 1998-02-26 | 2000-08-29 | Nortel Networks Corporation | Wavelength specific optical reflection meter/locator in signatured wavelength division multiplexed systems |
US6317255B1 (en) | 1998-04-28 | 2001-11-13 | Lucent Technologies Inc. | Method and apparatus for controlling optical signal power in response to faults in an optical fiber path |
SE514253C2 (en) | 1998-07-17 | 2001-01-29 | Ericsson Telefon Ab L M | Improved control of optical fiber amplifiers |
EP2306604B1 (en) | 1998-07-23 | 2012-09-05 | The Furukawa Electric Co., Ltd. | Optical repeater comprising a Raman amplifier |
US6151160A (en) * | 1998-10-05 | 2000-11-21 | Tyco Submarine Systems Ltd. | Broadband Raman pre-amplifier for wavelength division multiplexed optical communication systems |
-
2000
- 2000-08-18 US US09/641,579 patent/US6724524B1/en not_active Expired - Lifetime
-
2001
- 2001-06-19 CN CNA018175252A patent/CN1531792A/en active Pending
- 2001-06-19 CA CA002423401A patent/CA2423401A1/en not_active Abandoned
- 2001-06-19 JP JP2002522093A patent/JP2004519702A/en active Pending
- 2001-06-19 EP EP01946516A patent/EP1310055A1/en not_active Withdrawn
- 2001-06-19 WO PCT/US2001/019529 patent/WO2002017520A1/en active Application Filing
- 2001-06-19 AU AU2001268557A patent/AU2001268557A1/en not_active Abandoned
- 2001-08-18 TW TW090120442A patent/TW515150B/en active
Also Published As
Publication number | Publication date |
---|---|
CA2423401A1 (en) | 2002-02-28 |
US6724524B1 (en) | 2004-04-20 |
WO2002017520A1 (en) | 2002-02-28 |
TW515150B (en) | 2002-12-21 |
EP1310055A1 (en) | 2003-05-14 |
JP2004519702A (en) | 2004-07-02 |
CN1531792A (en) | 2004-09-22 |
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