AU2001282901A1 - Control system for optical amplifiers and optical fiber devices - Google Patents
Control system for optical amplifiers and optical fiber devicesInfo
- Publication number
- AU2001282901A1 AU2001282901A1 AU2001282901A AU8290101A AU2001282901A1 AU 2001282901 A1 AU2001282901 A1 AU 2001282901A1 AU 2001282901 A AU2001282901 A AU 2001282901A AU 8290101 A AU8290101 A AU 8290101A AU 2001282901 A1 AU2001282901 A1 AU 2001282901A1
- Authority
- AU
- Australia
- Prior art keywords
- control system
- optical
- fiber devices
- optical fiber
- amplifiers
- 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
- H01S3/05—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
- H01S3/10—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
-
- 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
- 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
- H01S3/05—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
- 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
- H01S3/10—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
- H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
-
- 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
- H01S3/1003—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 tunable optical elements, e.g. acousto-optic filters, tunable gratings
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21858800P | 2000-07-17 | 2000-07-17 | |
US60218588 | 2000-07-17 | ||
PCT/US2001/022429 WO2002007272A2 (en) | 2000-07-17 | 2001-07-17 | Control system for fiber laser or amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001282901A1 true AU2001282901A1 (en) | 2002-01-30 |
Family
ID=22815686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001282901A Abandoned AU2001282901A1 (en) | 2000-07-17 | 2001-07-17 | Control system for optical amplifiers and optical fiber devices |
Country Status (3)
Country | Link |
---|---|
US (1) | US20020044343A1 (en) |
AU (1) | AU2001282901A1 (en) |
WO (1) | WO2002007272A2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7460296B2 (en) * | 2002-04-30 | 2008-12-02 | Pivotal Decisions Llc | Compensation for spectral power tilt from scattering |
US6977770B2 (en) * | 2002-06-14 | 2005-12-20 | Fujitsu Limited | Optical amplifier and control method therefor |
US7031050B2 (en) * | 2002-08-14 | 2006-04-18 | Tropic Networds Inc. | Method and system for precision cross-talk cancellation in optical amplifiers |
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 |
US7202997B2 (en) * | 2002-11-18 | 2007-04-10 | Fujitsu Limited | Optical amplifier and optical amplifier control method |
US7436582B2 (en) * | 2005-11-15 | 2008-10-14 | At&T Corp. | Fast dynamic gain control in a bidirectionally-pumped Raman fiber amplifier |
US7142356B2 (en) * | 2005-02-24 | 2006-11-28 | At&T Corp. | Fast dynamic gain control in an optical fiber amplifier |
US7672042B2 (en) * | 2005-02-24 | 2010-03-02 | At&T Corporation | Fast dynamic gain control in an optical fiber amplifier |
US7277221B2 (en) * | 2005-11-15 | 2007-10-02 | At&T Corp. | Fast dynamic gain control in cascaded Raman fiber amplifiers |
US7280270B2 (en) | 2005-11-15 | 2007-10-09 | At&T Corporation | Fast dynamic gain control in cascaded Raman fiber amplifiers |
US7280271B2 (en) * | 2005-11-15 | 2007-10-09 | At&T Corp. | Fast dynamic gain control in cascaded Raman fiber amplifiers |
US7280269B2 (en) | 2005-11-15 | 2007-10-09 | At&T Corporation | Fast dynamic gain control in cascaded Raman fiber amplifiers |
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 |
US7636192B2 (en) | 2006-06-15 | 2009-12-22 | At&T Corp. | Method, apparatus and system for cost effective optical transmission with fast Raman tilt transient control |
US7446932B2 (en) * | 2006-06-15 | 2008-11-04 | At&T Corporation | Method, apparatus and system for cost effective optical transmission with fast Raman tilt transient control |
US7969647B2 (en) * | 2007-10-08 | 2011-06-28 | Jds Uniphase Corporation | Apparatus and method for flattening gain profile of an optical amplifier |
JP2012156285A (en) * | 2011-01-26 | 2012-08-16 | Fujitsu Ltd | Light amplifier |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0964819A (en) * | 1995-08-23 | 1997-03-07 | Fujitsu Ltd | Optical system |
JP3422398B2 (en) * | 1995-12-07 | 2003-06-30 | 富士通株式会社 | Center-of-gravity wavelength monitoring method and apparatus, optical amplifier, and optical communication system |
CA2228122A1 (en) * | 1997-02-17 | 1998-08-17 | Kevin W. Bennett | Pump wavelength tuning of optical amplifiers and use of same in wavelength division multiplexed systems |
US5915052A (en) * | 1997-06-30 | 1999-06-22 | Uniphase Telecommunications Products, Inc. | Loop status monitor for determining the amplitude of the signal components of a multi-wavelength optical beam |
US6028881A (en) * | 1997-11-10 | 2000-02-22 | Lucent Technologies Inc. | Wavelength selectable laser source |
KR100328291B1 (en) * | 1998-07-14 | 2002-08-08 | 노베라 옵틱스 인코포레이티드 | Fiber-optic light source with active amplifier-specific gain and variable output spectrum |
-
2001
- 2001-07-17 WO PCT/US2001/022429 patent/WO2002007272A2/en active Application Filing
- 2001-07-17 US US09/907,305 patent/US20020044343A1/en not_active Abandoned
- 2001-07-17 AU AU2001282901A patent/AU2001282901A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2002007272A3 (en) | 2002-04-11 |
WO2002007272A2 (en) | 2002-01-24 |
US20020044343A1 (en) | 2002-04-18 |
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