DE3782974D1 - Optischer signalregenerator. - Google Patents
Optischer signalregenerator.Info
- Publication number
- DE3782974D1 DE3782974D1 DE8787304657T DE3782974T DE3782974D1 DE 3782974 D1 DE3782974 D1 DE 3782974D1 DE 8787304657 T DE8787304657 T DE 8787304657T DE 3782974 T DE3782974 T DE 3782974T DE 3782974 D1 DE3782974 D1 DE 3782974D1
- Authority
- DE
- Germany
- Prior art keywords
- optical
- amplifier
- input
- output
- information signal
- 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
- H04B10/299—Signal waveform processing, e.g. reshaping or retiming
-
- 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
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
-
- 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
- H04B10/2914—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 lumped semiconductor optical amplifiers [SOA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
-
- 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
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
- H01S5/0608—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by light, e.g. optical switch
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
- Holo Graphy (AREA)
- Silicon Polymers (AREA)
- Developing Agents For Electrophotography (AREA)
- Pyrane Compounds (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868612956A GB8612956D0 (en) | 1986-05-28 | 1986-05-28 | Optical signal regenerator |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3782974D1 true DE3782974D1 (de) | 1993-01-21 |
DE3782974T2 DE3782974T2 (de) | 1993-04-08 |
Family
ID=10598558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787304657T Expired - Lifetime DE3782974T2 (de) | 1986-05-28 | 1987-05-26 | Optischer signalregenerator. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4879761A (de) |
EP (1) | EP0247834B1 (de) |
JP (1) | JPH0683143B2 (de) |
AT (1) | ATE83346T1 (de) |
CA (1) | CA1282831C (de) |
DE (1) | DE3782974T2 (de) |
ES (1) | ES2036574T3 (de) |
GB (1) | GB8612956D0 (de) |
WO (1) | WO1987007458A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8709073D0 (en) * | 1987-04-15 | 1987-05-20 | British Telecomm | Coherent optical systems |
DE68921997T2 (de) * | 1988-01-22 | 1995-11-16 | At & T Corp | Optische Übertragung mit Injektionssynchronisation eines einen optischen Träger modulierenden Signals. |
US5073981A (en) * | 1988-01-22 | 1991-12-17 | At&T Bell Laboratories | Optical communication by injection-locking to a signal which modulates an optical carrier |
IT1219324B (it) * | 1988-05-24 | 1990-05-03 | Cselt Centro Studi Lab Telecom | Procedimento per la caratterizzazione di laser a semiconduttore ristabili |
DE69019846T2 (de) * | 1989-03-09 | 1995-12-07 | Canon Kk | Optisches Übertragungssystem. |
GB9010242D0 (en) * | 1990-05-08 | 1990-06-27 | British Telecomm | Optical signal regenerator and optical communications system incorporating same |
DE4038503C2 (de) * | 1990-12-03 | 1997-04-17 | Kommunikations Elektronik | Netz zur Übertragung nachrichtentechnischer optischer Signale |
US5119039A (en) * | 1990-12-31 | 1992-06-02 | Gte Laboratories Incorporated | Semiconductor optical amplifier with wideband electrical response |
CA2068975C (en) * | 1991-05-20 | 2002-03-26 | Kazunori Nakamura | Optical amplification system |
US5194979A (en) * | 1991-06-07 | 1993-03-16 | Gte Laboratories Incorporated | Wideband optical amplifier-receiver system |
US5264960A (en) * | 1992-05-08 | 1993-11-23 | At&T Bell Laboratories | Optical wavelength shifter |
JPH05347449A (ja) * | 1992-06-12 | 1993-12-27 | Ando Electric Co Ltd | 信号光及び信号光と波長の違う連続光を増幅する光増幅器 |
US5359450A (en) * | 1992-06-25 | 1994-10-25 | Synchronous Communications, Inc. | Optical transmission system |
US5535968A (en) * | 1992-07-27 | 1996-07-16 | Union Switch & Signal Inc. | Vital railway signal link |
US5463488A (en) * | 1992-07-31 | 1995-10-31 | At&T Ipm Corp. | Distribution of clock signals by pump power modulation in an optically amplified network |
US5532863A (en) * | 1994-07-27 | 1996-07-02 | U.S. Philips Corporation | Optical signal-regenerating unit and transmission system comprising such a unit |
EP0717482A1 (de) * | 1994-12-14 | 1996-06-19 | AT&T Corp. | Halbleiterinterferometer zur optischen Wellenlängenumwandlung |
US5880866A (en) * | 1996-11-13 | 1999-03-09 | At&T Corp | Time division demultiplexing using selective Raman amplification |
NL1004806C2 (nl) * | 1996-12-17 | 1998-06-18 | Nederland Ptt | Optische lange-afstands signaaltransmissie met optische versterking. |
US6463113B1 (en) * | 1997-06-05 | 2002-10-08 | Compaq Information Technologies Group, L.P. | External signal attenuator for a single-ended transmission line |
JP4689008B2 (ja) | 2000-07-04 | 2011-05-25 | 富士通株式会社 | 信号光を波形整形するための方法及び装置 |
US20040066550A1 (en) * | 2002-10-02 | 2004-04-08 | Jay Paul R. | Optical pulse reshaping system |
US7375812B2 (en) * | 2005-02-22 | 2008-05-20 | Axsun Technologies, Inc. | Method and system for reducing parasitic spectral noise in tunable semiconductor source spectroscopy system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2248372C2 (de) * | 1972-10-03 | 1984-09-20 | Siemens AG, 1000 Berlin und 8000 München | Zwischenverstärker für ein optisches Nachrichtenübertragungssystem |
DE2248211C3 (de) * | 1972-10-02 | 1980-01-03 | Allgemeine Elektricitaets-Gesellschaft Aeg-Telefunken, 1000 Berlin Und 6000 Frankfurt | Faserleitungs-Nachrichtenübertragungssystem |
DE2418981B2 (de) * | 1974-04-19 | 1976-10-28 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Verfahren und einrichtung zur optischen doppelanregung eines stimulierbaren mediums zum verringern der zeitlichen schwankungen der laserpulse im pulsbetrieb mit passiv phasengekoppelter gueteschaltung |
US4475201A (en) * | 1981-06-11 | 1984-10-02 | Photochemical Research Associates Inc. | Longitudinally pumped dye laser arrangement |
CA1206633A (en) * | 1982-11-29 | 1986-06-24 | Kunio Nagashima | Optical time-division switching system employing optical bistable devices |
US4562582A (en) * | 1983-04-18 | 1985-12-31 | Nippon Telegraph & Telephone Public Corporation | Burst signal receiving apparatus |
US4674830A (en) * | 1983-11-25 | 1987-06-23 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
JPH0632332B2 (ja) * | 1984-08-24 | 1994-04-27 | 日本電気株式会社 | 半導体レ−ザ装置 |
-
1986
- 1986-05-28 GB GB868612956A patent/GB8612956D0/en active Pending
-
1987
- 1987-05-26 JP JP62503119A patent/JPH0683143B2/ja not_active Expired - Lifetime
- 1987-05-26 ES ES198787304657T patent/ES2036574T3/es not_active Expired - Lifetime
- 1987-05-26 US US07/143,857 patent/US4879761A/en not_active Expired - Lifetime
- 1987-05-26 DE DE8787304657T patent/DE3782974T2/de not_active Expired - Lifetime
- 1987-05-26 AT AT87304657T patent/ATE83346T1/de not_active IP Right Cessation
- 1987-05-26 EP EP87304657A patent/EP0247834B1/de not_active Expired - Lifetime
- 1987-05-26 WO PCT/GB1987/000360 patent/WO1987007458A1/en unknown
- 1987-05-27 CA CA000538088A patent/CA1282831C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4879761A (en) | 1989-11-07 |
DE3782974T2 (de) | 1993-04-08 |
JPS63503430A (ja) | 1988-12-08 |
CA1282831C (en) | 1991-04-09 |
WO1987007458A1 (en) | 1987-12-03 |
GB8612956D0 (en) | 1986-07-02 |
ES2036574T3 (es) | 1993-06-01 |
JPH0683143B2 (ja) | 1994-10-19 |
EP0247834A1 (de) | 1987-12-02 |
ATE83346T1 (de) | 1992-12-15 |
EP0247834B1 (de) | 1992-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |