SE449673B - Optisk forsterkaranordning med brusfilterfunktion - Google Patents

Optisk forsterkaranordning med brusfilterfunktion

Info

Publication number
SE449673B
SE449673B SE8504375A SE8504375A SE449673B SE 449673 B SE449673 B SE 449673B SE 8504375 A SE8504375 A SE 8504375A SE 8504375 A SE8504375 A SE 8504375A SE 449673 B SE449673 B SE 449673B
Authority
SE
Sweden
Prior art keywords
light
amplifier device
layers
optical amplifier
wave
Prior art date
Application number
SE8504375A
Other languages
English (en)
Swedish (sv)
Other versions
SE8504375D0 (sv
SE8504375L (sv
Inventor
L H Thylen
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.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE8504375A priority Critical patent/SE449673B/sv
Publication of SE8504375D0 publication Critical patent/SE8504375D0/xx
Priority to US06/905,131 priority patent/US4742307A/en
Priority to GB8621755A priority patent/GB2181858B/en
Priority to FR8613074A priority patent/FR2587851B1/fr
Priority to DE3631971A priority patent/DE3631971C2/de
Publication of SE8504375L publication Critical patent/SE8504375L/
Publication of SE449673B publication Critical patent/SE449673B/sv

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • G02F1/395—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves in optical waveguides
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • 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
    • H01S5/5045—Amplifier structures not provided for in groups H01S5/02 - H01S5/30 the arrangement having a frequency filtering function
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
    • 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
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
    • H01S5/1032—Coupling to elements comprising an optical axis that is not aligned with the optical axis of the active region

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optical Integrated Circuits (AREA)
  • Semiconductor Lasers (AREA)
SE8504375A 1985-09-20 1985-09-20 Optisk forsterkaranordning med brusfilterfunktion SE449673B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8504375A SE449673B (sv) 1985-09-20 1985-09-20 Optisk forsterkaranordning med brusfilterfunktion
US06/905,131 US4742307A (en) 1985-09-20 1986-09-09 Optical amplification device with noise filter function
GB8621755A GB2181858B (en) 1985-09-20 1986-09-10 Optical amplification device with noise filter function
FR8613074A FR2587851B1 (fr) 1985-09-20 1986-09-18 Dispositif d'amplification optique avec fonction de filtre anti-parasites
DE3631971A DE3631971C2 (de) 1985-09-20 1986-09-19 Optische Verstärkungsvorrichtung mit Störschutzfilterfunktion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8504375A SE449673B (sv) 1985-09-20 1985-09-20 Optisk forsterkaranordning med brusfilterfunktion

Publications (3)

Publication Number Publication Date
SE8504375D0 SE8504375D0 (sv) 1985-09-20
SE8504375L SE8504375L (sv) 1987-03-21
SE449673B true SE449673B (sv) 1987-05-11

Family

ID=20361472

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8504375A SE449673B (sv) 1985-09-20 1985-09-20 Optisk forsterkaranordning med brusfilterfunktion

Country Status (5)

Country Link
US (1) US4742307A (fr)
DE (1) DE3631971C2 (fr)
FR (1) FR2587851B1 (fr)
GB (1) GB2181858B (fr)
SE (1) SE449673B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2659187B2 (ja) * 1987-04-14 1997-09-30 日本電気株式会社 光フィルタ素子
IT1215681B (it) * 1988-01-12 1990-02-22 Pirelli General Plc Amplificazione di segnali ottici.
US4867518A (en) * 1988-08-31 1989-09-19 The United States Of America As Represented By The Secretary Of The Navy All-fiber SFPM amplifier
US4913507A (en) * 1988-09-08 1990-04-03 The United States Of America As Represented By The Secretary Of The Navy Mode field conditioner
GB8900729D0 (en) * 1989-01-13 1989-03-08 British Telecomm Semiconductor laser amplifiers
JPH0373934A (ja) * 1989-08-15 1991-03-28 Fujitsu Ltd 光増幅器
GB8920435D0 (en) * 1989-09-09 1989-10-25 British Telecomm Optically coupled waveguides
US5218665A (en) * 1990-02-07 1993-06-08 Pirelli Cavi S.P.A. Double core, active fiber optical amplifier having a wide band signal wavelength
JP2873856B2 (ja) * 1990-04-03 1999-03-24 キヤノン株式会社 光増幅器
JPH05122159A (ja) * 1991-05-13 1993-05-18 Internatl Business Mach Corp <Ibm> 伝送信号の信号対雑音比の改良方法及び光学的相互接続システム
US5815309A (en) * 1997-01-21 1998-09-29 Molecular Optoelectronics Corporation Optical amplifier and process for amplifying an optical signal propagating in a fiber optic
WO1998032199A1 (fr) * 1997-01-21 1998-07-23 Molecular Optoelectronics Corporation Amplificateur optique de guides d'ondes
FR2768524B1 (fr) * 1997-09-12 1999-10-22 France Telecom Amplificateur a large surface avec recombineur a interferences multimodes
US6198569B1 (en) 1998-02-20 2001-03-06 Molecular Optoelectronics Corporation Multiple window dense wavelength divison multiplexed communications link with optical amplification and dispersion compensation
AU1997399A (en) * 1998-02-20 1999-09-06 Molecular Optoelectronics Corporation Optical amplifier and process for amplifying an optical signal propagating in a fiber optic employing an overlay waveguide and stimulated emission
US6270604B1 (en) 1998-07-23 2001-08-07 Molecular Optoelectronics Corporation Method for fabricating an optical waveguide
US6236793B1 (en) 1998-09-23 2001-05-22 Molecular Optoelectronics Corporation Optical channel waveguide amplifier
US6208456B1 (en) 1999-05-24 2001-03-27 Molecular Optoelectronics Corporation Compact optical amplifier with integrated optical waveguide and pump source
US6714344B2 (en) 2001-10-04 2004-03-30 Gazillion Bits, Inc. Reducing output noise in a ballast-powered semiconductor optical amplifier
US6597497B2 (en) 2001-10-04 2003-07-22 Shih-Yuan Wang Semiconductor optical amplifier with transverse laser cavity intersecting optical signal path and method of fabrication thereof
US6836357B2 (en) * 2001-10-04 2004-12-28 Gazillion Bits, Inc. Semiconductor optical amplifier using laser cavity energy to amplify signal and method of fabrication thereof
US7718559B2 (en) * 2007-04-20 2010-05-18 Applied Materials, Inc. Erosion resistance enhanced quartz used in plasma etch chamber
DE102007058950A1 (de) * 2007-09-28 2009-04-02 Osram Opto Semiconductors Gmbh Kantenemittierender Halbleiterlaser mit einem Wellenleiter
EP2625753B1 (fr) 2010-10-07 2019-11-20 IPG Photonics Corporation Lasers et amplificateurs à fibre dopée au néodyme de forte puissance
US9716365B2 (en) 2013-03-22 2017-07-25 Ipg Photonics Corporation High power neodymium fiber lasers and amplifiers

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626312A (en) * 1968-10-04 1971-12-07 American Optical Corp Laser preamplifier
DE2248371C2 (de) * 1972-10-03 1985-12-05 Siemens AG, 1000 Berlin und 8000 München In einen optischen Wellenleiter für ein optisches Nachrichtenübertragungssystem integrierter Zwischenverstärker
US3957341A (en) * 1974-09-03 1976-05-18 The United States Of America As Represented By The Secretary Of The Navy Passive frequency-selective optical coupler
US4054366A (en) * 1976-07-12 1977-10-18 Hughes Aircraft Company Fiber optics access coupler
FR2379086A1 (fr) * 1977-01-31 1978-08-25 Thomson Csf Dispositif optique de transmission guidee a commande electrique
US4175827A (en) * 1978-02-21 1979-11-27 Sperry Rand Corporation Electro-optical multiplexer having multiple frequency resonant excitation
DE3108814A1 (de) * 1981-03-09 1982-09-16 Siemens Ag 180(grad)-umlenker
US4515431A (en) * 1982-08-11 1985-05-07 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
FR2533714A1 (fr) * 1982-09-28 1984-03-30 Thomson Csf Dispositif coupleur optique integre non lineaire et oscillateur parametrique comprenant un tel dispositif
US4546476A (en) * 1982-12-10 1985-10-08 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4554510A (en) * 1983-09-12 1985-11-19 The Board Of Trustees Of Leland Stanford Junior University Switching fiber optic amplifier
JPS60175024A (ja) * 1984-02-21 1985-09-09 Nippon Telegr & Teleph Corp <Ntt> 光分波器

Also Published As

Publication number Publication date
DE3631971A1 (de) 1987-03-26
GB2181858B (en) 1989-03-08
GB8621755D0 (en) 1986-10-15
SE8504375D0 (sv) 1985-09-20
GB2181858A (en) 1987-04-29
DE3631971C2 (de) 1995-04-06
FR2587851B1 (fr) 1994-05-27
SE8504375L (sv) 1987-03-21
FR2587851A1 (fr) 1987-03-27
US4742307A (en) 1988-05-03

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