WO2001067141A2 - Fiber amplifier with fast transient response and constant gain - Google Patents
Fiber amplifier with fast transient response and constant gain Download PDFInfo
- Publication number
- WO2001067141A2 WO2001067141A2 PCT/US2001/005627 US0105627W WO0167141A2 WO 2001067141 A2 WO2001067141 A2 WO 2001067141A2 US 0105627 W US0105627 W US 0105627W WO 0167141 A2 WO0167141 A2 WO 0167141A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- pump
- incoming signal
- channels
- signal
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 35
- 230000001052 transient effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000012886 linear function Methods 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 29
- 230000005284 excitation Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 description 10
- 238000012360 testing method Methods 0.000 description 5
- 230000005281 excited state Effects 0.000 description 4
- 230000002269 spontaneous effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000004936 stimulating effect Effects 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- -1 rare-earth ion Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
-
- 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
- H01S3/10007—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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
-
- 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
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
- H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lasers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01912911A EP1264372A2 (en) | 2000-03-06 | 2001-02-21 | Fiber amplifier with constant gain |
AU2001241646A AU2001241646A1 (en) | 2000-03-06 | 2001-02-21 | Fiber amplifier with fast transient response and constant gain |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/519,157 | 2000-03-06 | ||
US09/519,157 US6407854B1 (en) | 2000-03-06 | 2000-03-06 | Fiber amplifier with fast transient response and constant gain |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2001067141A2 true WO2001067141A2 (en) | 2001-09-13 |
WO2001067141A3 WO2001067141A3 (en) | 2002-02-28 |
WO2001067141B1 WO2001067141B1 (en) | 2002-03-28 |
Family
ID=24067092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/005627 WO2001067141A2 (en) | 2000-03-06 | 2001-02-21 | Fiber amplifier with fast transient response and constant gain |
Country Status (4)
Country | Link |
---|---|
US (1) | US6407854B1 (en) |
EP (1) | EP1264372A2 (en) |
AU (1) | AU2001241646A1 (en) |
WO (1) | WO2001067141A2 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6631027B2 (en) * | 2000-04-13 | 2003-10-07 | Corning Incorporated | Universal controller for an optical amplifier that operates over a wide dynamic range of optical signals and optical amplifiers utilizing such controllers |
KR100346221B1 (en) * | 2000-09-06 | 2002-08-01 | 삼성전자 주식회사 | Gain control device and method thereof for a erbium doped fiber amplifier |
US6542233B1 (en) * | 2000-10-04 | 2003-04-01 | Nortel Networks Limited | Method and apparatus for the measurement of erbium optical amplifiers |
JP3904835B2 (en) * | 2001-01-29 | 2007-04-11 | 株式会社日立製作所 | Optical amplifier, optical fiber Raman optical amplifier, and optical system |
JP4576756B2 (en) * | 2001-06-19 | 2010-11-10 | 株式会社日立製作所 | Optical signal switching device and method of using the same |
US6989923B2 (en) * | 2001-08-08 | 2006-01-24 | Photuris, Inc. | Optical amplifier having automatic gain control with improved performance |
US6583926B1 (en) * | 2001-08-21 | 2003-06-24 | Onetta, Inc. | Optical amplifiers with age-based pump current limiters |
US20040017603A1 (en) * | 2002-07-29 | 2004-01-29 | Paul Jay | Optical amplifier controller |
AU2002952347A0 (en) * | 2002-10-30 | 2002-11-14 | Edith Cowan University | Optical amplifier |
US6975449B1 (en) * | 2003-03-05 | 2005-12-13 | Nortel Networks Limited | Fast, continuously variable automatic gain control for optical amplifiers |
US7269347B1 (en) | 2003-05-28 | 2007-09-11 | Ciena Corporation | Optical receiver decision threshold tuning apparatus and method |
US7483205B1 (en) * | 2003-05-29 | 2009-01-27 | Ciena Corporation | Transient optical power suppressing apparatus, method, and network |
DE10358698B4 (en) * | 2003-12-15 | 2015-10-22 | Xieon Networks S.À.R.L. | Method for controlling the pumping power of an optical amplifier |
JP5055983B2 (en) * | 2006-11-30 | 2012-10-24 | 富士通株式会社 | Optical amplifier |
CN101158796B (en) * | 2007-10-22 | 2011-06-22 | 中兴通讯股份有限公司 | EDFA transient state inhibition method and system |
US8134776B1 (en) | 2008-06-04 | 2012-03-13 | Oplink Communications, Inc. | Optical amplifier output control based on change in detected input power |
JP5494669B2 (en) * | 2009-10-16 | 2014-05-21 | 日本電気株式会社 | Optical branching device, optical communication system, and optical multiplexing method |
JP5742329B2 (en) * | 2011-03-16 | 2015-07-01 | 富士通株式会社 | Optical amplification apparatus and optical amplification method |
JP2012256663A (en) * | 2011-06-08 | 2012-12-27 | Nec Corp | Optical amplifier and optical amplification method |
JP6079066B2 (en) * | 2012-08-31 | 2017-02-15 | 富士通株式会社 | Receiving apparatus and receiving method |
US10036904B1 (en) * | 2014-03-26 | 2018-07-31 | Inphi Corporation | Method and system for integrated differential electro-absorption modulator device |
US9509113B2 (en) * | 2014-06-17 | 2016-11-29 | Fujitsu Limited | Transient gain cancellation for optical amplifiers |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998011682A1 (en) * | 1996-09-13 | 1998-03-19 | Telefonaktiebolaget Lm Ericsson (Publ) | System with optical amplifier |
WO2000004656A1 (en) * | 1998-07-17 | 2000-01-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Improved optical fiber amplifier control |
EP1079481A2 (en) * | 1999-08-25 | 2001-02-28 | Lucent Technologies Inc. | Automatic gain control for optical amplifiers |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0961862A (en) * | 1995-08-23 | 1997-03-07 | Fujitsu Ltd | Controller for optical amplifier |
JP4533472B2 (en) * | 1998-03-19 | 2010-09-01 | 富士通株式会社 | Optical amplification device, optical output control method using optical amplification device, and optical transmission device |
-
2000
- 2000-03-06 US US09/519,157 patent/US6407854B1/en not_active Expired - Lifetime
-
2001
- 2001-02-21 WO PCT/US2001/005627 patent/WO2001067141A2/en active Application Filing
- 2001-02-21 AU AU2001241646A patent/AU2001241646A1/en not_active Abandoned
- 2001-02-21 EP EP01912911A patent/EP1264372A2/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998011682A1 (en) * | 1996-09-13 | 1998-03-19 | Telefonaktiebolaget Lm Ericsson (Publ) | System with optical amplifier |
WO2000004656A1 (en) * | 1998-07-17 | 2000-01-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Improved optical fiber amplifier control |
EP1079481A2 (en) * | 1999-08-25 | 2001-02-28 | Lucent Technologies Inc. | Automatic gain control for optical amplifiers |
Also Published As
Publication number | Publication date |
---|---|
WO2001067141B1 (en) | 2002-03-28 |
AU2001241646A1 (en) | 2001-09-17 |
EP1264372A2 (en) | 2002-12-11 |
US6407854B1 (en) | 2002-06-18 |
WO2001067141A3 (en) | 2002-02-28 |
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