CN1639931A - 多级拉曼放大器 - Google Patents
多级拉曼放大器 Download PDFInfo
- Publication number
- CN1639931A CN1639931A CN02829391.6A CN02829391A CN1639931A CN 1639931 A CN1639931 A CN 1639931A CN 02829391 A CN02829391 A CN 02829391A CN 1639931 A CN1639931 A CN 1639931A
- Authority
- CN
- China
- Prior art keywords
- raman
- frequency
- pumping
- pump
- 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.)
- Granted
Links
Images
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
- 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
- H01S3/30—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
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
-
- 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
- H01S3/0064—Anti-reflection devices, e.g. optical isolaters
-
- 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
- H01S3/06762—Fibre amplifiers having a specific amplification band
- H01S3/06766—C-band amplifiers, i.e. amplification in the range of about 1530 nm to 1560 nm
-
- 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
- H01S3/06762—Fibre amplifiers having a specific amplification band
- H01S3/0677—L-band amplifiers, i.e. amplification in the range of about 1560 nm to 1610 nm
-
- 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
- H01S3/09—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
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1691—Solid materials characterised by additives / sensitisers / promoters as further dopants
- H01S3/1695—Solid materials characterised by additives / sensitisers / promoters as further dopants germanium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/003—Devices including multiple stages, e.g., multi-stage optical amplifiers or dispersion compensators
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)
- Lasers (AREA)
Abstract
Description
配置 | P(λ1) | P(λ2) | P(λ3) | P(λ4) |
a) | 560mW | 450mW | 160mW | 70mW |
b) | 760mW | 620mW | 180mW | 30mW |
配置 | P(λ1) | P(λ2) | P(λ3) | P(λ4) |
a) | 450mW | 450mW | 200mW | 400mW |
b) | 600mW | 550mW | 150mW | 500mW |
Claims (19)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2002/008526 WO2004019461A1 (en) | 2002-07-31 | 2002-07-31 | Multi-stage raman amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1639931A true CN1639931A (zh) | 2005-07-13 |
CN100349336C CN100349336C (zh) | 2007-11-14 |
Family
ID=31896794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028293916A Expired - Fee Related CN100349336C (zh) | 2002-07-31 | 2002-07-31 | 多级拉曼放大器 |
Country Status (7)
Country | Link |
---|---|
US (3) | US7253944B2 (zh) |
EP (1) | EP1525648B1 (zh) |
JP (1) | JP2005534997A (zh) |
CN (1) | CN100349336C (zh) |
AU (1) | AU2002331367A1 (zh) |
CA (1) | CA2492810C (zh) |
WO (1) | WO2004019461A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015161473A1 (zh) * | 2014-04-23 | 2015-10-29 | 华为技术有限公司 | 一种优化光通信网络性能的方法及装置 |
CN117498142A (zh) * | 2023-11-02 | 2024-02-02 | 上海频准激光科技有限公司 | 一种光信号放大装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7016102B2 (en) * | 2004-03-05 | 2006-03-21 | Agilent Technologies, Inc. | Apparatus and method for shifting the frequency of an optical signal by two-stage Raman scattering |
EP1753161A1 (en) * | 2005-08-08 | 2007-02-14 | Alcatel | Raman-amplified optical transmission system and method for amplifying optical signals |
US9059799B2 (en) * | 2011-04-21 | 2015-06-16 | Futurewei Technologies, Inc. | Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading |
US9502852B2 (en) * | 2011-10-06 | 2016-11-22 | Ofs Fitel, Llc | Fiber designs for wavelength tunable ultra-short pulse lasers |
JP5838748B2 (ja) * | 2011-11-15 | 2016-01-06 | 富士通株式会社 | 光伝送システム、励起光供給制御方法及び励起光供給装置 |
EP2932629A1 (en) * | 2012-12-17 | 2015-10-21 | Telefonaktiebolaget L M Ericsson (Publ) | Method of configuring an optical communication network configured for co-propagating raman amplification and an optical communication network element |
DK2968484T3 (da) | 2013-03-15 | 2021-02-22 | Biospecifics Tech Corporation | Behandlingsfremgangsmåde og produkt til uterus fibromer, som anvender oprenset kollagenase |
RU2548940C1 (ru) * | 2013-12-24 | 2015-04-20 | Общество с ограниченной ответственностью "НАУЧНО-ТЕХНИЧЕСКОЕ ОБЪЕДИНЕНИЕ "ИРЭ-Полюс" (ООО НТО "ИРЭ-Полюс") | Цельно-волоконная лазерная система и способ автогенерации лазерных импульсов |
EP3178174A4 (en) | 2014-08-06 | 2018-04-18 | Mox Networks LLC | Distributed raman amplifier systems |
US9793679B2 (en) | 2014-08-06 | 2017-10-17 | Mox Networks, LLC | Distributed Raman amplifier systems |
FR3054663B1 (fr) * | 2016-07-28 | 2018-09-07 | Stmicroelectronics (Crolles 2) Sas | Procede de caracterisation de dispositifs photoniques, et dispositif associe. |
IL254803B2 (en) | 2017-09-29 | 2023-09-01 | Prisma Photonics Ltd | Distributed amplification optimized for fiber sensing |
CA3157517A1 (en) | 2019-10-15 | 2021-04-22 | The Johns Hopkins University | Treatment of uterine fibroids using purified collagenase |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6574037B2 (en) * | 1998-06-16 | 2003-06-03 | Xtera Communications, Inc. | All band amplifier |
US6618192B2 (en) * | 1998-06-16 | 2003-09-09 | Xtera Communications, Inc. | High efficiency raman amplifier |
JP2001109026A (ja) * | 1999-10-08 | 2001-04-20 | Nippon Telegr & Teleph Corp <Ntt> | ファイバラマン増幅器及びファイバラマンレーザ |
US20020163712A1 (en) * | 2000-07-06 | 2002-11-07 | Dominique Hamoir | Optical fiber raman amplifier and optical fiber communication system comprising at least one such amplifer |
US20020149838A1 (en) * | 2001-04-11 | 2002-10-17 | Quan-Zhen Wang | Optical amplification system or group employing multiple pump laser groupings |
US6903863B1 (en) * | 2001-12-05 | 2005-06-07 | Cisco Technology, Inc. | Gain flattened bi-directionally pumped Raman amplifier for WDM transmission systems |
WO2003107497A1 (en) * | 2002-06-14 | 2003-12-24 | Fujitsu Limited | Raman amplification system utilizing bi-directional pumping |
-
2002
- 2002-07-31 AU AU2002331367A patent/AU2002331367A1/en not_active Abandoned
- 2002-07-31 US US10/522,555 patent/US7253944B2/en not_active Expired - Fee Related
- 2002-07-31 CA CA2492810A patent/CA2492810C/en not_active Expired - Fee Related
- 2002-07-31 JP JP2004529741A patent/JP2005534997A/ja active Pending
- 2002-07-31 CN CNB028293916A patent/CN100349336C/zh not_active Expired - Fee Related
- 2002-07-31 WO PCT/EP2002/008526 patent/WO2004019461A1/en active Application Filing
- 2002-07-31 EP EP02767287A patent/EP1525648B1/en not_active Expired - Lifetime
-
2007
- 2007-05-18 US US11/802,011 patent/US7813034B2/en not_active Expired - Fee Related
-
2010
- 2010-10-04 US US12/897,456 patent/US8300306B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015161473A1 (zh) * | 2014-04-23 | 2015-10-29 | 华为技术有限公司 | 一种优化光通信网络性能的方法及装置 |
CN105210313A (zh) * | 2014-04-23 | 2015-12-30 | 华为技术有限公司 | 一种优化光通信网络性能的方法及装置 |
CN105210313B (zh) * | 2014-04-23 | 2018-01-23 | 华为技术有限公司 | 一种优化光通信网络性能的方法及装置 |
CN117498142A (zh) * | 2023-11-02 | 2024-02-02 | 上海频准激光科技有限公司 | 一种光信号放大装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2004019461A1 (en) | 2004-03-04 |
CN100349336C (zh) | 2007-11-14 |
US7253944B2 (en) | 2007-08-07 |
CA2492810C (en) | 2013-12-31 |
CA2492810A1 (en) | 2004-03-04 |
AU2002331367A1 (en) | 2004-03-11 |
EP1525648A1 (en) | 2005-04-27 |
US20070223085A1 (en) | 2007-09-27 |
JP2005534997A (ja) | 2005-11-17 |
US7813034B2 (en) | 2010-10-12 |
US20060109543A1 (en) | 2006-05-25 |
US20110080634A1 (en) | 2011-04-07 |
US8300306B2 (en) | 2012-10-30 |
EP1525648B1 (en) | 2012-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1279663C (zh) | 放大多波长光的光放大器 | |
US8300306B2 (en) | Multi-stage raman amplifier | |
CA2267775C (en) | A multi-wavelength optical pump | |
CN1125518C (zh) | 光放大器 | |
CN1141096A (zh) | 增益控制光纤放大器 | |
US5970198A (en) | Optically amplifying fiber and optical fiber amplifier | |
CN107181529A (zh) | 一种多波长无中继传输*** | |
Wang et al. | Low cost solution for super L-band fiber amplifier based on single-mode and multi-mode hybrid pumping scheme | |
CN207135105U (zh) | 一种多波长无中继传输*** | |
CN1236532C (zh) | 偏振波保持型光纤放大器和光放大器 | |
EP1233484A1 (en) | Optical fibre amplifier | |
US7440165B2 (en) | Optical fiber | |
CN1527120A (zh) | 掺杂环放大光纤和含此类光纤的放大器 | |
US7095552B2 (en) | Raman optical fiber amplifier using erbium doped fiber | |
US6466363B1 (en) | Broadband amplification with first and second amplifiers having different pump wavelength requirements | |
CN101268591A (zh) | 拉曼放大器结构 | |
CN1327221C (zh) | 使用压低型光纤放大器的通信***和分波段放大装置 | |
CN100352113C (zh) | 光放大器 | |
Emori et al. | State of the art in diode pumped Raman amplifiers | |
US6624928B1 (en) | Raman amplification | |
US20050190433A1 (en) | Optical fiber and hybrid optical amplifier using the same | |
KR20040063055A (ko) | 광신호의 전송에 따라 발생하는 분산 및 손실을 보상할 수있는 광섬유 증폭기 및 방법 | |
Masuda et al. | TDFA and ultra-wide band amplifiers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOSAID TECHNOLOGIES INC. Free format text: FORMER OWNER: PGT PHOTONICS S.P.A. Effective date: 20120214 Owner name: PGT PHOTONICS S.P.A. Free format text: FORMER OWNER: PIRELLI+C Effective date: 20120214 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120214 Address after: Ontario Patentee after: MOSAID TECHNOLOGIES Inc. Address before: Milan Italy Patentee before: PGT Photonics Effective date of registration: 20120214 Address after: Milan Italy Patentee after: PGT Photonics Address before: Milan Italy Patentee before: PIRELLI & C. S.P.A. |
|
ASS | Succession or assignment of patent right |
Owner name: GOOGLE INC. Free format text: FORMER OWNER: MOSAID TECHNOLOGIES, INCORPORATED Effective date: 20121009 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121009 Address after: American California Patentee after: GOOGLE Inc. Address before: Ontario Patentee before: Mosaid Technologies Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20150731 |
|
EXPY | Termination of patent right or utility model |