DK200389D0 - METHOD AND DEVICE FOR CONTROLING A LASER LED IN AN OPTICAL TRANSMITTER IN A COMMUNICATION PLANT - Google Patents
METHOD AND DEVICE FOR CONTROLING A LASER LED IN AN OPTICAL TRANSMITTER IN A COMMUNICATION PLANTInfo
- Publication number
- DK200389D0 DK200389D0 DK200389A DK200389A DK200389D0 DK 200389 D0 DK200389 D0 DK 200389D0 DK 200389 A DK200389 A DK 200389A DK 200389 A DK200389 A DK 200389A DK 200389 D0 DK200389 D0 DK 200389D0
- Authority
- DK
- Denmark
- Prior art keywords
- controling
- optical transmitter
- laser led
- communication plant
- plant
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/504—Laser transmitters using direct 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3814583A DE3814583C1 (en) | 1988-04-27 | 1988-04-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK200389D0 true DK200389D0 (en) | 1989-04-25 |
DK200389A DK200389A (en) | 1989-10-28 |
Family
ID=6353235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK200389A DK200389A (en) | 1988-04-27 | 1989-04-25 | METHOD AND DEVICE FOR CONTROLING A LASER LED IN AN OPTICAL TRANSMITTER IN A COMMUNICATION PLANT |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0339326A3 (en) |
AU (1) | AU618339B2 (en) |
DE (1) | DE3814583C1 (en) |
DK (1) | DK200389A (en) |
IL (1) | IL89926A0 (en) |
NZ (1) | NZ228916A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2428149B (en) | 2005-07-07 | 2009-10-28 | Agilent Technologies Inc | Multimode optical fibre communication system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1004728B (en) * | 1955-04-14 | 1957-03-21 | Siemens Ag | Method for measuring propagation time distortions occurring on quadrupoles |
JPS5291637A (en) * | 1976-01-28 | 1977-08-02 | Toshiba Corp | Frequency conversion system |
DE2643408A1 (en) * | 1976-09-27 | 1978-03-30 | Siemens Ag | High accuracy and stability synchronisable oscillator - has frequency compared with reference value obtained by mixing highly stable frequency with interpolation frequency |
US4229830A (en) * | 1979-06-01 | 1980-10-21 | Ampex Corporation | Apparatus and method for providing a modulation format for multiple wideband signal transmission |
US4317236A (en) * | 1980-02-25 | 1982-02-23 | Bell Telephone Laboratories, Incorporated | Laser digital transmitter |
DE3013533A1 (en) * | 1980-04-08 | 1981-10-15 | Siemens Ag | CIRCUIT ARRANGEMENT WITH A LASER DIODE FOR TRANSMITTING MESSAGE SIGNALS VIA A LIGHT WAVE GUIDE |
DE3232058C2 (en) * | 1982-08-28 | 1994-11-17 | Ant Nachrichtentech | Circuit arrangement for driving an optical transmission element |
JPS6035344A (en) * | 1983-08-08 | 1985-02-23 | Hitachi Tobu Semiconductor Ltd | Light emitting device and optical signal processor using light emitting device |
JPH0618349B2 (en) * | 1984-03-23 | 1994-03-09 | 株式会社日立製作所 | Laser drive system |
DE3531946A1 (en) * | 1985-09-07 | 1987-03-19 | Licentia Gmbh | Frequency modulator with PLL stabilisation |
-
1988
- 1988-04-27 DE DE3814583A patent/DE3814583C1/de not_active Expired
-
1989
- 1989-04-07 EP EP19890106100 patent/EP0339326A3/en not_active Withdrawn
- 1989-04-12 IL IL89926A patent/IL89926A0/en unknown
- 1989-04-19 AU AU33215/89A patent/AU618339B2/en not_active Expired - Fee Related
- 1989-04-25 DK DK200389A patent/DK200389A/en not_active Application Discontinuation
- 1989-04-27 NZ NZ228916A patent/NZ228916A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IL89926A0 (en) | 1989-12-15 |
AU618339B2 (en) | 1991-12-19 |
DK200389A (en) | 1989-10-28 |
AU3321589A (en) | 1989-11-02 |
DE3814583C1 (en) | 1989-11-23 |
EP0339326A3 (en) | 1992-04-22 |
EP0339326A2 (en) | 1989-11-02 |
NZ228916A (en) | 1991-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ATS | Application withdrawn |