BR9305879A - Aparelho e processo para controlar a intensidade de saída ótica de um diodo a laser usado em um sistema de comunicação ótica - Google Patents

Aparelho e processo para controlar a intensidade de saída ótica de um diodo a laser usado em um sistema de comunicação ótica

Info

Publication number: BR9305879A
Authority: BR; Brazil
Prior art keywords: controlling; communication system; laser diode; output intensity; diode used
Prior art date: 1992-02-13

Application number

BR9305879A

Other languages

English (en)

Inventor

Mats Olov Joakim Hedberg

Original Assignee

Ericsson Telefon Ab L M

Priority date (The priority date 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 date listed.)

1992-02-13

Filing date

1993-01-19

Publication date

1997-08-19

1993-01-19 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1997-08-19 Publication of BR9305879A publication Critical patent/BR9305879A/pt

Links

230000003287 optical effect Effects 0.000 title 2

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/20—Means for starting arc or facilitating ignition of spark gap
- 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
- 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
- H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
- 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
- H01S5/06835—Stabilising during pulse modulation or generation

Landscapes

Physics & Mathematics (AREA)
Condensed Matter Physics & Semiconductors (AREA)
General Physics & Mathematics (AREA)
Electromagnetism (AREA)
Optics & Photonics (AREA)
Semiconductor Lasers (AREA)
Laser Surgery Devices (AREA)
Optical Communication System (AREA)

BR9305879A 1992-02-13 1993-01-19 Aparelho e processo para controlar a intensidade de saída ótica de um diodo a laser usado em um sistema de comunicação ótica BR9305879A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/835,626 US5216682A (en)	1992-02-13	1992-02-13	Laser control method and apparatus
PCT/SE1993/000023 WO1993016512A1 (en)	1992-02-13	1993-01-19	Laser control method and apparatus

Publications (1)

Publication Number	Publication Date
BR9305879A true BR9305879A (pt)	1997-08-19

Family

ID=25270010

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9305879A BR9305879A (pt)	1992-02-13	1993-01-19	Aparelho e processo para controlar a intensidade de saída ótica de um diodo a laser usado em um sistema de comunicação ótica

Country Status (15)

Country	Link
US (1)	US5216682A (pt)
EP (1)	EP0626106B1 (pt)
JP (1)	JP3264669B2 (pt)
KR (1)	KR100275217B1 (pt)
CN (1)	CN1045032C (pt)
AU (1)	AU663364B2 (pt)
BR (1)	BR9305879A (pt)
CA (1)	CA2125390C (pt)
DE (1)	DE69318134T2 (pt)
DK (1)	DK0626106T3 (pt)
ES (1)	ES2118225T3 (pt)
FI (1)	FI110970B (pt)
MX (1)	MX9206950A (pt)
NO (1)	NO309068B1 (pt)
WO (1)	WO1993016512A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
TW432234B (en) *	1997-08-20	2001-05-01	Advantest Corp	Optical signal transmission apparatus and method
US5978393A (en) *	1997-08-25	1999-11-02	Digital Optics Corporation	Laser diode power output controller and method thereof
JPH11275031A (ja) *	1998-03-20	1999-10-08	Fujitsu Ltd	光伝送装置
DE19932657A1 (de) *	1999-07-15	2001-01-18	Koninkl Philips Electronics Nv	Laserdiodenregelung mit Kompensationsfilter
JP3858710B2 (ja)	2002-01-31	2006-12-20	三菱電機株式会社	レーザ発振器およびその制御方法
EP1345296A1 (en) *	2002-03-16	2003-09-17	Agilent Technologies, Inc. (a Delaware corporation)	System for controlling power, wavelength and extinction ratio in optical sources, and computer program product therefor
WO2005055436A2 (en) *	2003-12-03	2005-06-16	Rad-Op Ltd.	Transceiver for optical transmission
JP2005340278A (ja) *	2004-05-24	2005-12-08	Freescale Semiconductor Inc	発光素子駆動回路
DE102007043516B4 (de)	2007-09-12	2021-08-26	Valeo Schalter Und Sensoren Gmbh	Anordnung zum Betrieb eines elektronischen Kameramoduls
JP4799595B2 (ja) *	2008-08-20	2011-10-26	パナソニック株式会社	消光比補償レーザ駆動回路及び光通信装置
US8687971B2 (en) *	2011-01-31	2014-04-01	Telefonaktiebolaget Lm Ericsson (Publ)	System, laser-on-CMOS chip, and method for setting a wavelength to be used by the laser-on-CMOS chip
US9985414B1 (en)	2017-06-16	2018-05-29	Banner Engineering Corp.	Open-loop laser power-regulation
US11609116B2 (en)	2020-08-27	2023-03-21	Banner Engineering Corp	Open-loop photodiode gain regulation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7907683A (nl) *	1979-10-18	1981-04-22	Philips Nv	Regelketen voor de bekrachtigingsstroom van een laser.
JPS59146457A (ja) *	1983-02-10	1984-08-22	Olympus Optical Co Ltd	光出力自動制御装置
FR2542511B1 (fr) *	1983-03-09	1986-12-19	Lecoy Pierre	Procede et dispositif de regulation de la puissance lumineuse de diodes laser
US4698817A (en) *	1985-02-28	1987-10-06	Northern Telecom Limited	Peak optical power control circuit for laser driver
JP2546388B2 (ja) *	1989-08-31	1996-10-23	日本電気株式会社	半導体レーザ装置の発振周波数安定化装置
US5123023A (en) *	1990-11-21	1992-06-16	Polaroid Corporation	Laser driver with plural feedback loops

1992
- 1992-02-13 US US07/835,626 patent/US5216682A/en not_active Expired - Lifetime
- 1992-12-02 MX MX9206950A patent/MX9206950A/es unknown
1993
- 1993-01-01 CN CN93100055A patent/CN1045032C/zh not_active Expired - Lifetime
- 1993-01-19 BR BR9305879A patent/BR9305879A/pt not_active IP Right Cessation
- 1993-01-19 DE DE69318134T patent/DE69318134T2/de not_active Expired - Lifetime
- 1993-01-19 JP JP51397393A patent/JP3264669B2/ja not_active Expired - Lifetime
- 1993-01-19 KR KR1019940702741A patent/KR100275217B1/ko not_active Expired - Fee Related
- 1993-01-19 DK DK93904415T patent/DK0626106T3/da active
- 1993-01-19 AU AU35775/93A patent/AU663364B2/en not_active Expired
- 1993-01-19 ES ES93904415T patent/ES2118225T3/es not_active Expired - Lifetime
- 1993-01-19 WO PCT/SE1993/000023 patent/WO1993016512A1/en not_active Ceased
- 1993-01-19 EP EP93904415A patent/EP0626106B1/en not_active Expired - Lifetime
- 1993-01-19 CA CA002125390A patent/CA2125390C/en not_active Expired - Lifetime
1994
- 1994-08-11 FI FI943717A patent/FI110970B/fi not_active IP Right Cessation
- 1994-08-11 NO NO942969A patent/NO309068B1/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
FI110970B (fi)	2003-04-30
ES2118225T3 (es)	1998-09-16
MX9206950A (es)	1993-09-01
JP3264669B2 (ja)	2002-03-11
AU3577593A (en)	1993-09-03
US5216682A (en)	1993-06-01
FI943717L (fi)	1994-08-11
EP0626106A1 (en)	1994-11-30
DE69318134D1 (de)	1998-05-28
NO942969D0 (no)	1994-08-11
JPH07503812A (ja)	1995-04-20
DK0626106T3 (da)	1999-02-01
KR950700622A (ko)	1995-01-16
EP0626106B1 (en)	1998-04-22
DE69318134T2 (de)	1998-10-08
NO942969L (no)	1994-08-11
CN1076315A (zh)	1993-09-15
WO1993016512A1 (en)	1993-08-19
CA2125390A1 (en)	1993-08-19
CA2125390C (en)	2004-03-09
FI943717A0 (fi)	1994-08-11
NO309068B1 (no)	2000-12-04
AU663364B2 (en)	1995-10-05
KR100275217B1 (ko)	2001-01-15
CN1045032C (zh)	1999-09-08

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Legal Events

Date	Code	Title	Description
1999-06-01	FF	Decision: intention to grant
1999-11-30	FG9A	Patent or certificate of addition granted
2013-07-09	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 19/01/2013