CA2005579A1 - Modulation de phase - Google Patents
Modulation de phaseInfo
- Publication number
- CA2005579A1 CA2005579A1 CA2005579A CA2005579A CA2005579A1 CA 2005579 A1 CA2005579 A1 CA 2005579A1 CA 2005579 A CA2005579 A CA 2005579A CA 2005579 A CA2005579 A CA 2005579A CA 2005579 A1 CA2005579 A1 CA 2005579A1
- Authority
- CA
- Canada
- Prior art keywords
- modulation
- injection
- amplifier
- phase modulation
- bias
- 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
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
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
- H04B10/2912—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
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
-
- 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
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
- H01S5/06213—Amplitude modulation
-
- 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
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06233—Controlling other output parameters than intensity or frequency
- H01S5/06236—Controlling other output parameters than intensity or frequency controlling the polarisation, e.g. TM/TE polarisation switching
-
- 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
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06233—Controlling other output parameters than intensity or frequency
- H01S5/06246—Controlling other output parameters than intensity or frequency controlling the phase
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
- Gyroscopes (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Semiconductor Lasers (AREA)
- Liquid Crystal Substances (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Valve Device For Special Equipments (AREA)
- Prostheses (AREA)
- Developing Agents For Electrophotography (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8829116.6 | 1988-12-14 | ||
GB888829116A GB8829116D0 (en) | 1988-12-14 | 1988-12-14 | Phase modulator |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2005579A1 true CA2005579A1 (fr) | 1990-06-14 |
CA2005579C CA2005579C (fr) | 1997-08-12 |
Family
ID=10648438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002005579A Expired - Fee Related CA2005579C (fr) | 1988-12-14 | 1989-12-14 | Modulation de phase |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0373945B1 (fr) |
JP (1) | JPH04502217A (fr) |
AT (1) | ATE101284T1 (fr) |
AU (1) | AU637073B2 (fr) |
CA (1) | CA2005579C (fr) |
DE (1) | DE68912911T2 (fr) |
DK (1) | DK113991A (fr) |
FI (1) | FI912839A0 (fr) |
GB (2) | GB8829116D0 (fr) |
NO (1) | NO912284L (fr) |
NZ (1) | NZ231777A (fr) |
WO (1) | WO1990007141A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0795160A (ja) * | 1993-09-20 | 1995-04-07 | Fujitsu Ltd | 光増幅器の応答信号変調方法 |
SE502562C2 (sv) * | 1994-03-03 | 1995-11-13 | Ericsson Telefon Ab L M | Förfarande och anordning för styrning av vandringsvågrör |
CN1137847A (zh) * | 1994-09-15 | 1996-12-11 | 菲利浦电子有限公司 | 光通信系统 |
DE59702522D1 (de) * | 1996-11-11 | 2000-11-30 | Contraves Space Ag Zuerich | Verfahren und Vorrichtung zur Modulation eines optischen Trägers durch einen Halbleiterverstärker |
US6313939B1 (en) * | 2000-09-22 | 2001-11-06 | Charles Christopher Romaniuk | Optical phase oscillator with a maximum output amplifier |
US7230712B2 (en) | 2003-11-03 | 2007-06-12 | Battelle Memorial Institute | Reduction of residual amplitude modulation in frequency-modulated signals |
US7102751B2 (en) | 2003-11-11 | 2006-09-05 | Battelle Memorial Institute | Laser-based spectroscopic detection techniques |
US8045862B2 (en) * | 2004-02-27 | 2011-10-25 | Alcatel Lucent | Optical communication method and apparatus |
US8184362B2 (en) * | 2009-06-15 | 2012-05-22 | The Boeing Company | Phase control and locking method for coherently combining high-gain multi-stage fiber amplifiers |
WO2023012897A1 (fr) * | 2021-08-03 | 2023-02-09 | 日本電信電話株式会社 | Émetteur optique, système de transmission optique et procédé de transmission optique |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4092443A (en) * | 1976-02-19 | 1978-05-30 | Ciba-Geigy Corporation | Method for making reinforced composites |
EP0228435B1 (fr) * | 1985-06-19 | 1990-09-19 | BRITISH TELECOMMUNICATIONS public limited company | Systeme de communication optique |
JPS6219454A (ja) * | 1985-07-19 | 1987-01-28 | 三菱化学株式会社 | 防曇性ポリプロピレンフイルム |
US4794351A (en) * | 1986-09-29 | 1988-12-27 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical mixer for upconverting or downconverting an optical signal |
-
1988
- 1988-12-14 GB GB888829116A patent/GB8829116D0/en active Pending
-
1989
- 1989-12-14 JP JP2500842A patent/JPH04502217A/ja active Pending
- 1989-12-14 CA CA002005579A patent/CA2005579C/fr not_active Expired - Fee Related
- 1989-12-14 WO PCT/GB1989/001500 patent/WO1990007141A1/fr active Application Filing
- 1989-12-14 AU AU47498/90A patent/AU637073B2/en not_active Ceased
- 1989-12-14 NZ NZ231777A patent/NZ231777A/en unknown
- 1989-12-14 AT AT89313111T patent/ATE101284T1/de active
- 1989-12-14 DE DE68912911T patent/DE68912911T2/de not_active Expired - Fee Related
- 1989-12-14 EP EP89313111A patent/EP0373945B1/fr not_active Expired - Lifetime
-
1991
- 1991-06-03 GB GB9112112A patent/GB2254480B/en not_active Expired - Fee Related
- 1991-06-12 FI FI912839A patent/FI912839A0/fi unknown
- 1991-06-13 NO NO91912284A patent/NO912284L/no unknown
- 1991-06-13 DK DK113991A patent/DK113991A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1990007141A1 (fr) | 1990-06-28 |
GB9112112D0 (en) | 1991-07-24 |
EP0373945A1 (fr) | 1990-06-20 |
NO912284L (no) | 1991-08-13 |
NO912284D0 (no) | 1991-06-13 |
JPH04502217A (ja) | 1992-04-16 |
DK113991D0 (da) | 1991-06-13 |
GB2254480B (en) | 1993-05-19 |
FI912839A0 (fi) | 1991-06-12 |
ATE101284T1 (de) | 1994-02-15 |
AU4749890A (en) | 1990-07-10 |
GB2254480A (en) | 1992-10-07 |
DE68912911T2 (de) | 1994-05-19 |
GB8829116D0 (en) | 1989-01-25 |
CA2005579C (fr) | 1997-08-12 |
DE68912911D1 (de) | 1994-03-17 |
AU637073B2 (en) | 1993-05-20 |
DK113991A (da) | 1991-06-13 |
NZ231777A (en) | 1993-03-26 |
EP0373945B1 (fr) | 1994-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |