DE69825026D1 - Optischer verstärker mit dynamisch geformtem gewinn - Google Patents
Optischer verstärker mit dynamisch geformtem gewinnInfo
- Publication number
- DE69825026D1 DE69825026D1 DE69825026T DE69825026T DE69825026D1 DE 69825026 D1 DE69825026 D1 DE 69825026D1 DE 69825026 T DE69825026 T DE 69825026T DE 69825026 T DE69825026 T DE 69825026T DE 69825026 D1 DE69825026 D1 DE 69825026D1
- Authority
- DE
- Germany
- Prior art keywords
- gain element
- transitions
- stark
- active gain
- electron
- 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
- 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
- H01S3/094096—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
- H01S3/13—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
- H01S3/10—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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US915129 | 1997-08-20 | ||
US08/915,129 US5861981A (en) | 1997-08-20 | 1997-08-20 | Optical amplifier having dynamically shaped gain |
PCT/US1998/017137 WO1999009622A2 (en) | 1997-08-20 | 1998-08-18 | Optical amplifier having dynamically shaped gain |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69825026D1 true DE69825026D1 (de) | 2004-08-19 |
DE69825026T2 DE69825026T2 (de) | 2004-11-11 |
Family
ID=25435264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69825026T Expired - Fee Related DE69825026T2 (de) | 1997-08-20 | 1998-08-18 | Optischer verstärker mit dynamisch geformtem gewinn |
Country Status (8)
Country | Link |
---|---|
US (1) | US5861981A (de) |
EP (1) | EP0932921B1 (de) |
CN (1) | CN1136637C (de) |
AT (1) | ATE271272T1 (de) |
AU (1) | AU8913698A (de) |
BR (1) | BR9806098A (de) |
DE (1) | DE69825026T2 (de) |
WO (1) | WO1999009622A2 (de) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6052393A (en) * | 1996-12-23 | 2000-04-18 | The Regents Of The University Of Michigan | Broadband Sagnac Raman amplifiers and cascade lasers |
AU3279699A (en) | 1998-02-25 | 1999-09-15 | Auckland Uniservices Limited | System and method for demultiplexing in optical communication systems |
US6374006B1 (en) | 1998-03-20 | 2002-04-16 | Xtera Communications, Inc. | Chirped period gratings for raman amplification in circulator loop cavities |
US6760148B2 (en) | 1998-03-24 | 2004-07-06 | Xtera Communications, Inc. | Nonlinear polarization amplifiers in nonzero dispersion shifted fiber |
US6356384B1 (en) | 1998-03-24 | 2002-03-12 | Xtera Communications Inc. | Broadband amplifier and communication system |
US6600592B2 (en) * | 1998-03-24 | 2003-07-29 | Xtera Communications, Inc. | S+ band nonlinear polarization amplifiers |
US6441954B1 (en) * | 1998-03-31 | 2002-08-27 | Corning Incorporated | Optical amplifier with wide flat gain dynamic range |
SE522622C2 (sv) * | 1998-04-01 | 2004-02-24 | Ericsson Telefon Ab L M | Optisk fiberförstärkare med styrd förstärkning |
US6574037B2 (en) | 1998-06-16 | 2003-06-03 | Xtera Communications, Inc. | All band amplifier |
US6335820B1 (en) | 1999-12-23 | 2002-01-01 | Xtera Communications, Inc. | Multi-stage optical amplifier and broadband communication system |
US6359725B1 (en) | 1998-06-16 | 2002-03-19 | Xtera Communications, Inc. | Multi-stage optical amplifier and broadband communication system |
DE69942932D1 (de) | 1998-06-16 | 2010-12-23 | Xtera Comm Inc | Dispersionskompensierendes und verstärkendes optisches element |
US6236487B1 (en) * | 1998-07-21 | 2001-05-22 | Corvis Corporation | Optical communication control system |
US6344922B1 (en) * | 1998-07-21 | 2002-02-05 | Corvis Corporation | Optical signal varying devices |
US6839522B2 (en) | 1998-07-21 | 2005-01-04 | Corvis Corporation | Optical signal varying devices, systems and methods |
US6421170B1 (en) * | 1998-09-18 | 2002-07-16 | Corning Incorporated | Gain control and shaping of EDFAs via dual cavity gain control |
US6567430B1 (en) | 1998-09-21 | 2003-05-20 | Xtera Communications, Inc. | Raman oscillator including an intracavity filter and amplifiers utilizing same |
US6052219A (en) * | 1999-02-16 | 2000-04-18 | Tyco Submarine Systems Ltd. | Wide bandwidth Raman amplifier capable of employing pump energy spectrally overlapping the signal |
US6356383B1 (en) * | 1999-04-02 | 2002-03-12 | Corvis Corporation | Optical transmission systems including optical amplifiers apparatuses and methods |
US6563614B1 (en) | 1999-05-21 | 2003-05-13 | Corvis Corporation | Optical transmission system and amplifier control apparatuses and methods |
US6587261B1 (en) * | 1999-05-24 | 2003-07-01 | Corvis Corporation | Optical transmission systems including optical amplifiers and methods of use therein |
JP2000354005A (ja) * | 1999-06-11 | 2000-12-19 | Fujitsu Ltd | 利得等化方法、光増幅装置および光伝送システム |
FR2800219B1 (fr) * | 1999-10-22 | 2006-06-30 | Algety Telecom | Procede d'ajustement de puissance pour un systeme de transmission optique a multiplexage en longueur d'onde |
FR2800218B1 (fr) * | 1999-10-22 | 2002-01-11 | Algety Telecom | Systeme de transmission par fibre optique utilisant des impulsions rz |
DE60139923D1 (de) | 2000-01-12 | 2009-10-29 | Xtera Comm Inc | Zweiseitig gepumpter ramanverstärker |
US6421481B1 (en) | 2000-02-04 | 2002-07-16 | Zolo Technologies, Inc. | Apparatus and method for producing a flat-topped filter response for diffraction grating (De) multiplexer |
US6411757B1 (en) * | 2000-02-14 | 2002-06-25 | Agere Systems Guardian Corp. | Article comprising a waveguide structure with improved pump utilization |
WO2001078264A2 (en) | 2000-02-14 | 2001-10-18 | Xtera Communications, Inc. | Nonlinear optical loop mirror |
US6344925B1 (en) | 2000-03-03 | 2002-02-05 | Corvis Corporation | Optical systems and methods and optical amplifiers for use therein |
US6504989B1 (en) | 2000-10-23 | 2003-01-07 | Onetta, Inc. | Optical equipment and methods for manufacturing optical communications equipment for networks |
US6498677B1 (en) | 2000-10-23 | 2002-12-24 | Onetta, Inc. | Optical amplifier systems with transient control |
US6633430B1 (en) | 2001-02-15 | 2003-10-14 | Onetta, Inc. | Booster amplifier with spectral control for optical communications systems |
US6438010B1 (en) | 2001-03-02 | 2002-08-20 | Onetta, Inc. | Drive circuits for microelectromechanical systems devices |
US6731424B1 (en) | 2001-03-15 | 2004-05-04 | Onetta, Inc. | Dynamic gain flattening in an optical communication system |
US6529316B1 (en) | 2001-05-03 | 2003-03-04 | Onetta, Inc. | Optical network equipment with optical channel monitor and dynamic spectral filter alarms |
US6483631B1 (en) | 2001-06-05 | 2002-11-19 | Onetta, Inc. | Optical amplifier spectral tilt controllers |
US6545800B1 (en) | 2001-06-05 | 2003-04-08 | Onetta, Inc. | Depolarizers for optical channel monitors |
US6603597B2 (en) | 2001-06-08 | 2003-08-05 | Photon-X, Inc. | Dual mode programmable optical logarithmic amplifier driver |
KR100406527B1 (ko) | 2001-06-26 | 2003-11-20 | 한국전자통신연구원 | 홀뮴이 첨가된 유리 광섬유 조성물, 유리 광섬유 및광증폭기 |
US6587259B2 (en) | 2001-07-27 | 2003-07-01 | Xtera Communications, Inc. | System and method for controlling noise figure |
US6944399B2 (en) * | 2001-08-28 | 2005-09-13 | Dorsal Networks, Inc. | Methods of signal substitution for maintenance of amplifier saturation |
US6907195B2 (en) * | 2001-08-28 | 2005-06-14 | Dorsal Networks, Inc. | Terminals having sub-band substitute signal control in optical communication systems |
US6594071B1 (en) | 2001-10-02 | 2003-07-15 | Xtera Communications, Inc. | Method and apparatus for amplifier control |
EP1318621B1 (de) | 2001-12-10 | 2013-02-13 | Sumitomo Electric Industries, Ltd. | Optischer Verstärker und diesen beinhaltendes optisches Übertragungssystem |
US7064890B2 (en) * | 2001-12-10 | 2006-06-20 | Sumitomo Electric Industries, Ltd. | Optical amplifier and optical communication system including the same |
US6819479B1 (en) | 2001-12-20 | 2004-11-16 | Xtera Communications, Inc. | Optical amplification using launched signal powers selected as a function of a noise figure |
US6943939B1 (en) * | 2002-03-19 | 2005-09-13 | Finisar Corporation | Optical amplifier with damped relaxation oscillation |
US20040208586A1 (en) * | 2002-03-27 | 2004-10-21 | Susumu Kinoshita | System and method for amplifying signals in an optical network |
DE10239304A1 (de) * | 2002-08-27 | 2004-03-11 | Siemens Ag | Verfahren zur Ermittlung des Gewinnspektrums eines Raman-Verstärkers in einem WDM-Übertragungssystem |
KR100472054B1 (ko) * | 2002-09-24 | 2005-03-10 | 한국전자통신연구원 | 광증폭기 |
JP4863191B2 (ja) * | 2005-05-02 | 2012-01-25 | 富士通株式会社 | 光増幅特性シミュレーション装置および方法 |
US7248695B1 (en) * | 2006-02-10 | 2007-07-24 | Magiq Technologies, Inc. | Systems and methods for transmitting quantum and classical signals over an optical network |
ES2331215B1 (es) * | 2006-10-13 | 2010-09-27 | Universidad De La Laguna | Amplificador optico de luz de 750 nm. |
US8711896B2 (en) * | 2010-01-05 | 2014-04-29 | Kla-Tencor Corporation | Alleviation of laser-induced damage in optical materials by suppression of transient color centers formation and control of phonon population |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4140978A (en) * | 1977-04-29 | 1979-02-20 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for producing laser radiation following two-photon excitation of a gaseous medium |
US4215320A (en) * | 1978-03-27 | 1980-07-29 | Bell Telephone Laboratories, Incorporated | Far-infrared laser tuned by the dynamic Stark effect |
US4375689A (en) * | 1980-10-10 | 1983-03-01 | Westinghouse Electric Corp. | Operation of a two-photon three level laser |
US5022041A (en) * | 1989-10-06 | 1991-06-04 | Spectra-Physics | Near resonant Nd3+, solid state laser system |
US5027079A (en) * | 1990-01-19 | 1991-06-25 | At&T Bell Laboratories | Erbium-doped fiber amplifier |
US5050949A (en) * | 1990-06-22 | 1991-09-24 | At&T Bell Laboratories | Multi-stage optical fiber amplifier |
US5088095A (en) * | 1991-01-31 | 1992-02-11 | At&T Bell Laboratories | Gain stabilized fiber amplifier |
US5253104A (en) * | 1992-09-15 | 1993-10-12 | At&T Bell Laboratories | Balanced optical amplifier |
US5351251A (en) * | 1993-03-30 | 1994-09-27 | Carl Zeiss, Inc. | Laser apparatus |
US5579143A (en) * | 1993-06-04 | 1996-11-26 | Ciena Corporation | Optical system with tunable in-fiber gratings |
JP4036489B2 (ja) * | 1995-08-23 | 2008-01-23 | 富士通株式会社 | 波長多重信号を光増幅する光増幅器を制御するための方法と装置 |
US5684590A (en) * | 1995-12-29 | 1997-11-04 | Honeywell Inc. | Fiber optic gyroscope source wavelength control |
-
1997
- 1997-08-20 US US08/915,129 patent/US5861981A/en not_active Expired - Fee Related
-
1998
- 1998-08-18 DE DE69825026T patent/DE69825026T2/de not_active Expired - Fee Related
- 1998-08-18 EP EP98940981A patent/EP0932921B1/de not_active Expired - Lifetime
- 1998-08-18 AT AT98940981T patent/ATE271272T1/de not_active IP Right Cessation
- 1998-08-18 WO PCT/US1998/017137 patent/WO1999009622A2/en active IP Right Grant
- 1998-08-18 CN CNB988011913A patent/CN1136637C/zh not_active Expired - Fee Related
- 1998-08-18 BR BR9806098-8A patent/BR9806098A/pt not_active IP Right Cessation
- 1998-08-18 AU AU89136/98A patent/AU8913698A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1999009622A2 (en) | 1999-02-25 |
EP0932921A2 (de) | 1999-08-04 |
US5861981A (en) | 1999-01-19 |
EP0932921A4 (de) | 2003-01-02 |
DE69825026T2 (de) | 2004-11-11 |
CN1136637C (zh) | 2004-01-28 |
EP0932921B1 (de) | 2004-07-14 |
BR9806098A (pt) | 2001-10-02 |
ATE271272T1 (de) | 2004-07-15 |
CN1237281A (zh) | 1999-12-01 |
AU8913698A (en) | 1999-03-08 |
WO1999009622A3 (en) | 1999-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |