DE69413939D1 - Bidirektionaler optischer Verstärker - Google Patents
Bidirektionaler optischer VerstärkerInfo
- Publication number
- DE69413939D1 DE69413939D1 DE69413939T DE69413939T DE69413939D1 DE 69413939 D1 DE69413939 D1 DE 69413939D1 DE 69413939 T DE69413939 T DE 69413939T DE 69413939 T DE69413939 T DE 69413939T DE 69413939 D1 DE69413939 D1 DE 69413939D1
- Authority
- DE
- Germany
- Prior art keywords
- optical amplifier
- directional optical
- directional
- amplifier
- optical
- 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 - Lifetime
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
- H04B10/297—Bidirectional amplification
- H04B10/2971—A single amplifier for both directions
-
- 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
- H01S3/05—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
- H01S3/06787—Bidirectional amplifier
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/173,837 US5548438A (en) | 1993-12-23 | 1993-12-23 | Bidirectional optical amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69413939D1 true DE69413939D1 (de) | 1998-11-19 |
DE69413939T2 DE69413939T2 (de) | 1999-05-12 |
Family
ID=22633717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69413939T Expired - Lifetime DE69413939T2 (de) | 1993-12-23 | 1994-12-05 | Bidirektionaler optischer Verstärker |
Country Status (4)
Country | Link |
---|---|
US (1) | US5548438A (de) |
EP (1) | EP0660468B1 (de) |
JP (1) | JP2918794B2 (de) |
DE (1) | DE69413939T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2747868B1 (fr) * | 1996-04-18 | 1998-05-15 | Alcatel Submarcom | Montage a deux amplificateurs optiques, notamment pour repeteur d'un systeme de telecommunication par voie sous-marine |
US5801858A (en) * | 1996-06-25 | 1998-09-01 | Northern Telecom Limited | Optical transmission systems using optical amplifiers and wavelength division multiplexing |
KR980013060A (ko) * | 1996-07-15 | 1998-04-30 | 김광호 | 펌프파워를 분리하여 양방향 여기시켜 전송광을 증폭하는 광섬유 증폭장치 |
US5757541A (en) * | 1997-01-15 | 1998-05-26 | Litton Systems, Inc. | Method and apparatus for an optical fiber amplifier |
KR100259268B1 (ko) * | 1997-09-30 | 2000-06-15 | 강병호 | 일체화된 양방향 통신용 광증폭기의 광써큘레이터 및 파장분할기 |
US6097533A (en) * | 1997-10-21 | 2000-08-01 | Antec Corporation | Optical amplifier for CATV system with forward and reverse paths |
JP3019828B2 (ja) * | 1997-12-02 | 2000-03-13 | 日本電気株式会社 | 双方向光増幅器 |
JPH11177493A (ja) * | 1997-12-16 | 1999-07-02 | Sumitomo Electric Ind Ltd | 分散補償回路 |
JP2000150997A (ja) * | 1998-11-13 | 2000-05-30 | Nec Corp | 光増幅装置とこれを用いた破断点検出機能を備えた光伝送装置および双方向光伝送装置 |
JP2001203644A (ja) * | 2000-01-18 | 2001-07-27 | Fujitsu Ltd | 光増幅器および光増幅方法 |
US6459528B1 (en) | 2000-05-23 | 2002-10-01 | Avanex Corporation | Optical passive components and bi-directional amplifier |
DE10039950C2 (de) * | 2000-08-16 | 2002-09-05 | Siemens Ag | Bidirektionaler optischer Verstärker |
US20020164126A1 (en) * | 2001-01-16 | 2002-11-07 | Jae-Seung Lee | Multi-port optical amplifier |
US7297913B2 (en) * | 2004-04-20 | 2007-11-20 | Diehl Bgt Gmbh & Co. Kg | Module for a laser measuring device |
US7512343B2 (en) | 2004-07-27 | 2009-03-31 | Ciena Corporation | Bidirectional communication system |
US20070003283A1 (en) * | 2005-06-29 | 2007-01-04 | At&T Corp. | Dynamic allocation of bandwidth in a bidirectional optical transmission system |
TWI360967B (en) * | 2008-10-28 | 2012-03-21 | Ind Tech Res Inst | Reconfigurable optical amplifier, reversible optic |
WO2015058209A1 (en) | 2013-10-18 | 2015-04-23 | Tramontane Technologies, Inc. | Amplified optical circuit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4530097A (en) * | 1982-09-29 | 1985-07-16 | The Board Of Trustees Of The Leland Stanford Junior University | Brillouin ring laser |
US4554510A (en) * | 1983-09-12 | 1985-11-19 | The Board Of Trustees Of Leland Stanford Junior University | Switching fiber optic amplifier |
SE458328B (sv) * | 1987-07-16 | 1989-03-13 | Ericsson Telefon Ab L M | Anordning foer fellokalisering i en dubbelriktad optisk linjelaenk |
JP2731614B2 (ja) * | 1989-12-25 | 1998-03-25 | 日本電信電話株式会社 | 双方向光増幅器 |
CN1020832C (zh) * | 1990-05-21 | 1993-05-19 | 华中理工大学 | 行波半导体激光放大器的放大方法和装置 |
JP2859386B2 (ja) * | 1990-07-02 | 1999-02-17 | 日本電信電話株式会社 | 双方向光ファイバ増幅器 |
US5140655A (en) * | 1990-09-04 | 1992-08-18 | At&T Bell Laboratories | Optical star coupler utilizing fiber amplifier technology |
JP3077705B2 (ja) * | 1991-02-19 | 2000-08-14 | 日本電信電話株式会社 | 光ファイバ増幅器 |
US5200964A (en) * | 1991-03-12 | 1993-04-06 | General Instrument Corporation | Broad linewidth lasers for optical fiber communication systems |
US5406413A (en) * | 1991-07-30 | 1995-04-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Lens cover apparatus of optical instrument |
DE69224340T2 (de) * | 1991-09-30 | 1998-06-04 | Nippon Electric Co | Zweiwegzwischenverstärker mit optischer Verstärkung |
US5239607A (en) * | 1992-06-23 | 1993-08-24 | Bell Communications Research, Inc. | Optical fiber amplifier with flattened gain |
US5283686A (en) * | 1992-07-27 | 1994-02-01 | General Instrument Corporation, Jerrold Communications | Optical systems with grating reflector |
US5319483A (en) * | 1992-12-04 | 1994-06-07 | Williams Telecommunications Group, Inc. | Polarization independent low cross-talk optical circulator |
-
1993
- 1993-12-23 US US08/173,837 patent/US5548438A/en not_active Expired - Lifetime
-
1994
- 1994-12-05 DE DE69413939T patent/DE69413939T2/de not_active Expired - Lifetime
- 1994-12-05 EP EP94309012A patent/EP0660468B1/de not_active Expired - Lifetime
- 1994-12-26 JP JP6336727A patent/JP2918794B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2918794B2 (ja) | 1999-07-12 |
DE69413939T2 (de) | 1999-05-12 |
EP0660468A1 (de) | 1995-06-28 |
EP0660468B1 (de) | 1998-10-14 |
JPH07209678A (ja) | 1995-08-11 |
US5548438A (en) | 1996-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |