DE68924747T2 - Vorrichtung und verfahren zur modulierung eines halbleiterlasers. - Google Patents
Vorrichtung und verfahren zur modulierung eines halbleiterlasers.Info
- Publication number
- DE68924747T2 DE68924747T2 DE68924747T DE68924747T DE68924747T2 DE 68924747 T2 DE68924747 T2 DE 68924747T2 DE 68924747 T DE68924747 T DE 68924747T DE 68924747 T DE68924747 T DE 68924747T DE 68924747 T2 DE68924747 T2 DE 68924747T2
- Authority
- DE
- Germany
- Prior art keywords
- modulating
- semiconductor laser
- laser
- semiconductor
- 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 - Fee Related
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2096—Arrangements for directly or externally modulating an optical carrier
-
- 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
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
-
- 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
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/06832—Stabilising during amplitude modulation
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4980388 | 1988-03-04 | ||
JP18539988 | 1988-07-27 | ||
JP20816388 | 1988-08-24 | ||
PCT/JP1989/000220 WO1989008356A1 (en) | 1988-03-04 | 1989-03-02 | Method and apparatus for modulating a semiconductor laser |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68924747D1 DE68924747D1 (de) | 1995-12-14 |
DE68924747T2 true DE68924747T2 (de) | 1996-05-02 |
Family
ID=27293745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68924747T Expired - Fee Related DE68924747T2 (de) | 1988-03-04 | 1989-03-02 | Vorrichtung und verfahren zur modulierung eines halbleiterlasers. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5073331A (de) |
EP (1) | EP0357799B1 (de) |
DE (1) | DE68924747T2 (de) |
WO (1) | WO1989008356A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2758211B2 (ja) * | 1989-06-19 | 1998-05-28 | 富士通株式会社 | 周波数直接変調psk方式 |
US5255274A (en) * | 1989-09-06 | 1993-10-19 | The Board Of Trustees Of The Leland Stanford University | Broadband laser source |
JP2917333B2 (ja) * | 1989-11-30 | 1999-07-12 | 日本電気株式会社 | 光送信方法及び光送信装置 |
JPH0478235A (ja) * | 1990-07-18 | 1992-03-12 | Fujitsu Ltd | 直接変調psk伝送システム並びに該システムにおける自動周波数制御方法、復調方法及び位相雑音抑圧方法 |
JP3001943B2 (ja) * | 1990-08-30 | 2000-01-24 | 株式会社東芝 | 偏波スイッチング光源、光受信装置及びコヒーレント光伝送システム |
JP2970776B2 (ja) * | 1990-12-17 | 1999-11-02 | 富士通株式会社 | 光送信装置 |
US5170403A (en) * | 1991-05-31 | 1992-12-08 | Digital Equipment Corporation | Modulation circuit for grayscale laser printing |
JP3223562B2 (ja) * | 1992-04-07 | 2001-10-29 | 株式会社日立製作所 | 光送信装置、光伝送装置および光変調器 |
US5208817A (en) * | 1992-04-10 | 1993-05-04 | At&T Bell Laboratories | Modulator-based lightwave transmitter |
DE19801469C2 (de) * | 1998-01-16 | 2001-05-17 | Campus Technologies Ag Zug | Vorrichtung zur Erfassung oder Erzeugung optischer Signale |
US6441940B1 (en) * | 1998-10-09 | 2002-08-27 | Agere Systems Guardian Corp. | Wavelength stabilization of light emitting components |
US6317526B1 (en) * | 1998-12-21 | 2001-11-13 | Fujitsu Limited | Optical phase controller and optical switch |
US6618404B2 (en) * | 2001-06-19 | 2003-09-09 | Lockheed Martin Corporation | Method for producing highly accurate frequency and FM of a laser |
WO2003061160A1 (fr) * | 2002-01-09 | 2003-07-24 | Advantest Corporation | Circuit de modulation de phase, appareil d'essai, et systeme de communication |
US7747171B1 (en) | 2002-09-10 | 2010-06-29 | Meriton Networks Us Inc. | Method and apparatus for alleviating slope-induced impairments to chirped optical signals propagating in an optical transmission system |
US20060268277A1 (en) * | 2005-02-23 | 2006-11-30 | Optoplex Corporation | Michelson interferometer based delay line interferometers |
KR100701101B1 (ko) * | 2004-12-20 | 2007-03-28 | 한국전자통신연구원 | 광 간섭계 제어 장치 및 그 방법 |
EP1694017B1 (de) * | 2005-02-18 | 2013-11-27 | Nokia Solutions and Networks GmbH & Co. KG | Verfahren und Vorrichtung zur Demodulation eines optischen DPSK-Signales |
US20090214224A1 (en) * | 2007-04-03 | 2009-08-27 | Celight, Inc. | Method and apparatus for coherent analog rf photonic transmission |
US7782913B2 (en) * | 2007-07-20 | 2010-08-24 | Corning Incorporated | Intensity modulation in wavelength converting optical package |
US7869472B2 (en) * | 2008-03-11 | 2011-01-11 | Oewaves, Inc. | Optical locking based on optical resonators with high quality factors |
JP2009253598A (ja) * | 2008-04-04 | 2009-10-29 | Fujitsu Ltd | 位相変調信号受信装置 |
US8781336B1 (en) * | 2011-02-10 | 2014-07-15 | Finisar Corporation | Optical filter for use in a laser transmitter |
US10747031B2 (en) | 2018-08-07 | 2020-08-18 | Teraxion Inc. | Method and system for optical phase modulation with reduced harmonic content |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57112158A (en) * | 1980-12-29 | 1982-07-13 | Fujitsu Ltd | Code converting circuit |
GB2144598B (en) * | 1981-07-14 | 1985-09-11 | British Telecomm | Laser telecommunications system |
JPS5943724A (ja) * | 1982-09-02 | 1984-03-10 | Tokyo Erekutoron Kk | 超音波浮上型搬送装置 |
JPS60235543A (ja) * | 1984-05-08 | 1985-11-22 | Nec Corp | 光位相変調方法 |
JPS61212932A (ja) * | 1985-03-18 | 1986-09-20 | Nec Corp | 位相偏移変調光送信装置 |
JPS62189832A (ja) * | 1986-02-17 | 1987-08-19 | Nec Corp | 光送信装置 |
NL8601510A (nl) * | 1986-06-11 | 1988-01-04 | Philips Nv | Inrichting voor het aansturen van een laser. |
NL8602303A (nl) * | 1986-09-12 | 1988-04-05 | Philips Nv | Werkwijze voor het in pulsmode aansturen van een halfgeleiderlaser, aanstuurinrichting voor een halfgeleiderlaser en laserschrijfapparaat voorzien van een dergelijke aanstuurinrichting. |
-
1989
- 1989-03-02 DE DE68924747T patent/DE68924747T2/de not_active Expired - Fee Related
- 1989-03-02 US US07/340,010 patent/US5073331A/en not_active Expired - Lifetime
- 1989-03-02 EP EP89903271A patent/EP0357799B1/de not_active Expired - Lifetime
- 1989-03-02 WO PCT/JP1989/000220 patent/WO1989008356A1/ja active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0357799A1 (de) | 1990-03-14 |
DE68924747D1 (de) | 1995-12-14 |
WO1989008356A1 (en) | 1989-09-08 |
EP0357799A4 (en) | 1992-05-13 |
US5073331A (en) | 1991-12-17 |
EP0357799B1 (de) | 1995-11-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68924747D1 (de) | Vorrichtung und verfahren zur modulierung eines halbleiterlasers. | |
DE3650413D1 (de) | Verfahren und Vorrichtung zur Annulierung eines Befehls. | |
DE68921926D1 (de) | Verfahren und Vorrichtung zur Wiedergabe eines mehrfarbigen Bildes. | |
DE69015319D1 (de) | Vorrichtung und Verfahren zum automatischen Positionieren von Behältern. | |
DE3877201T2 (de) | Vorrichtung und verfahren zur intervallbehandlung eines bandes. | |
DE68918425D1 (de) | Verfahren und Schaltung zur Regelung eines Lasers. | |
DE58902492D1 (de) | Verfahren und vorrichtung zur sanierung kontaminierter standorte. | |
DE3878681T2 (de) | Verfahren und vorrichtung zur behandlung einer oberflaeche. | |
DE59003485D1 (de) | Verfahren und vorrichtung zur materialbearbeitung mit hilfe eines lasers. | |
DE3885503T2 (de) | Verfahren und Vorrichtung zur Erzeugung eines Zittermusters. | |
DE68908330T2 (de) | Vorrichtung und verfahren zum wiedereinfärben. | |
DE68913430D1 (de) | Vorrichtung und Verfahren zum Verpacken. | |
DE69021546D1 (de) | Verfahren und Vorrichtung zur Photodetektion. | |
DE68902013D1 (de) | Vorrichtung und verfahren zum stapeln. | |
DE69006416D1 (de) | Verfahren und Vorrichtung zur Beladung einer Flüssigkeit. | |
DE3886224D1 (de) | Vorrichtung und verfahren zur positionierung von verpackungen. | |
DE3789071T2 (de) | Verfahren und Vorrichtung zur Einstellung eines Kopiergerätes. | |
DE68906126T2 (de) | Verfahren und vorrichtung zur entfernung von h2s. | |
DE69011299T2 (de) | Verfahren und Vorrichtung zur Filmschneide-Positionsprüfung. | |
DE69021544D1 (de) | Verfahren und Vorrichtung zur Photodetektion. | |
DE3879192D1 (de) | Verfahren und vorrichtung zur elektrodesionisation. | |
DE68908351D1 (de) | Verfahren und vorrichtung zur pruefung des randes eines deckels. | |
DE3779405D1 (de) | Verfahren und vorrichtung zur ausrichtung eines zur abstimmung eines lasers benutzten beugungsgitters. | |
ATE96993T1 (de) | Verfahren und vorrichtung zur materialbearbeitung mit hilfe eines lasers. | |
DE68904540T2 (de) | Verfahren und vorrichtung zur beglaubigung. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |