HK1037284A1 - Optical fiber amplifier having a noise filter - Google Patents
Optical fiber amplifier having a noise filterInfo
- Publication number
- HK1037284A1 HK1037284A1 HK01108108A HK01108108A HK1037284A1 HK 1037284 A1 HK1037284 A1 HK 1037284A1 HK 01108108 A HK01108108 A HK 01108108A HK 01108108 A HK01108108 A HK 01108108A HK 1037284 A1 HK1037284 A1 HK 1037284A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- optical fiber
- fiber amplifier
- noise filter
- amplifier
- noise
- Prior art date
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
-
- 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
- H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
-
- 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
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9801160A SE522586C2 (sv) | 1998-04-01 | 1998-04-01 | Optisk fiberförstärkare med förstärkningsutjämnande filter |
PCT/SE1999/000555 WO1999050978A2 (fr) | 1998-04-01 | 1999-04-01 | Amplificateur a fibres optiques equipe d'un egalisateur de gain |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1037284A1 true HK1037284A1 (en) | 2002-02-01 |
Family
ID=20410835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK01108108A HK1037284A1 (en) | 1998-04-01 | 2001-11-16 | Optical fiber amplifier having a noise filter |
Country Status (12)
Country | Link |
---|---|
US (1) | US6414787B2 (fr) |
EP (1) | EP1068684B1 (fr) |
JP (1) | JP2002510870A (fr) |
KR (1) | KR100686417B1 (fr) |
CN (1) | CN1218515C (fr) |
AU (1) | AU3738399A (fr) |
CA (1) | CA2326315C (fr) |
DE (1) | DE69941483D1 (fr) |
HK (1) | HK1037284A1 (fr) |
SE (1) | SE522586C2 (fr) |
TW (1) | TW442677B (fr) |
WO (1) | WO1999050978A2 (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100342190B1 (ko) * | 1999-01-14 | 2002-06-27 | 윤종용 | 이득 평탄화 광섬유증폭기 |
KR100334789B1 (ko) * | 1999-07-22 | 2002-05-02 | 윤종용 | 피드 백 루프를 이용한 광학 소자 측정용 광대역 광원 |
US6388730B1 (en) * | 1999-11-19 | 2002-05-14 | Corning Incorporated | Lateral field based liquid crystal electro-optic polarizer |
JP2001230477A (ja) * | 2000-02-16 | 2001-08-24 | Nec Corp | 光増幅装置 |
US6621625B1 (en) * | 2000-12-13 | 2003-09-16 | Avanex Corporation | Optical node including three-stage optical amplifier with automatic gain and level control |
DE10143145C1 (de) * | 2001-09-03 | 2002-10-31 | Fraunhofer Ges Forschung | Verfahren und Einrichtung zur Herstellung von Schichtsystemen für optische Präzisionselemente |
JP3898042B2 (ja) * | 2001-11-30 | 2007-03-28 | 三菱電機株式会社 | 半導体レーザ装置および光増幅装置 |
US20040208503A1 (en) * | 2001-12-06 | 2004-10-21 | William Shieh | Systems and methods for detecting faults in optical communication systems |
US7525725B2 (en) * | 2002-03-05 | 2009-04-28 | Sumitomo Electric Industries, Ltd. | Optical amplification module, optical amplifier, optical communication system, and white light source |
US20040090664A1 (en) | 2002-10-30 | 2004-05-13 | Jian Liu | Integration of gain equalization filter in a gain medium |
FR2856849A1 (fr) * | 2003-06-24 | 2004-12-31 | Alcatel Optronics France | Dispositif d'amplification de signaux optiques par pompage monomode d'un guide d'onde optique monomode dope |
US7233724B2 (en) * | 2003-11-20 | 2007-06-19 | Northrop Grumman Corporation | Long period bragg grating optical signal attenuation |
US7385754B2 (en) * | 2006-03-06 | 2008-06-10 | Redc Optical Networks Inc. | Efficient wavelength referencing in a combined optical amplifier-optical channel monitor apparatus |
US7440163B1 (en) * | 2006-11-22 | 2008-10-21 | Alliance Fiber Optic Products, Inc. | Compact passive module for erbium and other fiber amplifiers |
US7916385B2 (en) * | 2007-03-23 | 2011-03-29 | Alphion Corporation | Apparatus and methods for optical communication |
JP2011249531A (ja) * | 2010-05-26 | 2011-12-08 | Fujitsu Ltd | 光増幅装置及び光増幅媒体 |
CN103201915B (zh) * | 2010-10-29 | 2016-04-06 | 古河电气工业株式会社 | 光放大装置以及光传送系统 |
JP5839092B2 (ja) * | 2014-08-27 | 2016-01-06 | 富士通株式会社 | 光増幅装置及び光増幅媒体 |
TW201707405A (zh) * | 2015-08-04 | 2017-02-16 | Chunghwa Telecom Co Ltd | 智慧型複合式多波長選取光源產生裝置 |
JP2018530929A (ja) | 2015-09-07 | 2018-10-18 | オプリンク コミュニケーションズ ユーエス ディビジョン エルエルシー | 光増幅器 |
US10281652B2 (en) * | 2016-08-16 | 2019-05-07 | Alliance Fiber Optic Products, Inc. | Two-port high isolation filter |
CN109120370B (zh) * | 2018-07-27 | 2020-05-12 | 武汉光迅科技股份有限公司 | 一种可提高osnr的dwdm远程泵浦系统 |
CN109038189B (zh) * | 2018-07-27 | 2019-12-31 | 武汉光迅科技股份有限公司 | 一种用于edfa中的双980泵浦激光器对泵结构 |
US11764875B2 (en) * | 2020-11-06 | 2023-09-19 | Subcom, Llc | Gain equalization error management in optical communication systems |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5245467A (en) | 1989-10-30 | 1993-09-14 | Pirelli Cavi S.P.A. | Amplifier with a samarium-erbium doped active fiber |
GB2246234A (en) * | 1990-05-21 | 1992-01-22 | Univ Southampton | Optical amplifier with shaped spectral gain |
US5260823A (en) | 1990-05-21 | 1993-11-09 | University Of Southampton | Erbium-doped fibre amplifier with shaped spectral gain |
US5115338A (en) | 1990-05-30 | 1992-05-19 | At&T Bell Laboratories | Multi-stage optical amplifier |
GB9120925D0 (en) * | 1991-10-01 | 1991-11-13 | British Telecomm | An optical amplifier |
GB2264807B (en) | 1992-02-20 | 1995-10-04 | Univ Southampton | Optical amplifier |
US5392153A (en) * | 1993-08-31 | 1995-02-21 | At&T Corp. | Optical amplifier |
US5430817A (en) | 1994-03-31 | 1995-07-04 | At&T Corp. | Optical systems and devices using long period spectral shaping devices |
US5696615A (en) * | 1995-11-13 | 1997-12-09 | Ciena Corporation | Wavelength division multiplexed optical communication systems employing uniform gain optical amplifiers |
KR970064034A (ko) * | 1996-02-10 | 1997-09-12 | 김광호 | 다중파장 자동 파워 및 이득 조절용 광전송 시스템 및 레이저 |
-
1998
- 1998-04-01 SE SE9801160A patent/SE522586C2/sv not_active IP Right Cessation
- 1998-06-15 TW TW087109490A patent/TW442677B/zh not_active IP Right Cessation
-
1999
- 1999-03-31 US US09/282,185 patent/US6414787B2/en not_active Expired - Lifetime
- 1999-04-01 JP JP2000541788A patent/JP2002510870A/ja active Pending
- 1999-04-01 KR KR1020007010758A patent/KR100686417B1/ko not_active IP Right Cessation
- 1999-04-01 DE DE69941483T patent/DE69941483D1/de not_active Expired - Fee Related
- 1999-04-01 WO PCT/SE1999/000555 patent/WO1999050978A2/fr active IP Right Grant
- 1999-04-01 CA CA002326315A patent/CA2326315C/fr not_active Expired - Fee Related
- 1999-04-01 CN CN998048216A patent/CN1218515C/zh not_active Expired - Fee Related
- 1999-04-01 AU AU37383/99A patent/AU3738399A/en not_active Abandoned
- 1999-04-01 EP EP99919728A patent/EP1068684B1/fr not_active Expired - Lifetime
-
2001
- 2001-11-16 HK HK01108108A patent/HK1037284A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6414787B2 (en) | 2002-07-02 |
SE9801160D0 (sv) | 1998-04-01 |
CN1296681A (zh) | 2001-05-23 |
TW442677B (en) | 2001-06-23 |
KR100686417B1 (ko) | 2007-02-23 |
US20010012147A1 (en) | 2001-08-09 |
CA2326315A1 (fr) | 1999-10-07 |
WO1999050978A3 (fr) | 1999-12-02 |
SE522586C2 (sv) | 2004-02-24 |
CN1218515C (zh) | 2005-09-07 |
JP2002510870A (ja) | 2002-04-09 |
CA2326315C (fr) | 2008-10-14 |
AU3738399A (en) | 1999-10-18 |
EP1068684A2 (fr) | 2001-01-17 |
KR20010042232A (ko) | 2001-05-25 |
SE9801160L (sv) | 1999-10-02 |
DE69941483D1 (de) | 2009-11-12 |
EP1068684B1 (fr) | 2009-09-30 |
WO1999050978A2 (fr) | 1999-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20150401 |