SE502139C2 - Elektriskt styrbar filteranordning - Google Patents

Elektriskt styrbar filteranordning

Info

Publication number
SE502139C2
SE502139C2 SE9203701A SE9203701A SE502139C2 SE 502139 C2 SE502139 C2 SE 502139C2 SE 9203701 A SE9203701 A SE 9203701A SE 9203701 A SE9203701 A SE 9203701A SE 502139 C2 SE502139 C2 SE 502139C2
Authority
SE
Sweden
Prior art keywords
electrode
filter
electrodes
fingers
electrode structure
Prior art date
Application number
SE9203701A
Other languages
English (en)
Swedish (sv)
Other versions
SE9203701L (sv
SE9203701D0 (sv
Inventor
Bjoern Olle Nilsson
Pierre-Jean Rigole
Original Assignee
Ellemtel Utvecklings Ab
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 Ellemtel Utvecklings Ab filed Critical Ellemtel Utvecklings Ab
Priority to SE9203701A priority Critical patent/SE502139C2/sv
Publication of SE9203701D0 publication Critical patent/SE9203701D0/xx
Priority to CA002110880A priority patent/CA2110880C/en
Priority to EP93850228A priority patent/EP0601989A1/en
Priority to US08/162,873 priority patent/US5438637A/en
Priority to JP30948693A priority patent/JP3878224B2/ja
Publication of SE9203701L publication Critical patent/SE9203701L/xx
Publication of SE502139C2 publication Critical patent/SE502139C2/sv
Priority to JP2006035429A priority patent/JP2006189893A/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
    • 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
    • G02F1/01—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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—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 for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/035—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 for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect in an optical waveguide structure
    • 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
    • G02F1/29—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 for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3132—Digital deflection, i.e. optical switching in an optical waveguide structure of directional coupler type
    • 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
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/124—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode interdigital
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/05—Function characteristic wavelength dependent
    • G02F2203/055—Function characteristic wavelength dependent wavelength filtering
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0425—Electrodes, e.g. characterised by the structure
    • H01S5/04254—Electrodes, e.g. characterised by the structure characterised by the shape
    • 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
    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/1228—DFB lasers with a complex coupled grating, e.g. gain or loss coupling
    • 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
    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/125—Distributed Bragg reflector [DBR] lasers
    • 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
    • H01S5/30—Structure or shape of the active region; Materials used for the active region
    • H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/341—Structures having reduced dimensionality, e.g. quantum wires

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
SE9203701A 1992-12-09 1992-12-09 Elektriskt styrbar filteranordning SE502139C2 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9203701A SE502139C2 (sv) 1992-12-09 1992-12-09 Elektriskt styrbar filteranordning
CA002110880A CA2110880C (en) 1992-12-09 1993-12-07 Electrically controllable filter device
EP93850228A EP0601989A1 (en) 1992-12-09 1993-12-07 Electrically controllable filter device
US08/162,873 US5438637A (en) 1992-12-09 1993-12-08 Electrically controllable optical filter device
JP30948693A JP3878224B2 (ja) 1992-12-09 1993-12-09 電気的に制御可能なフィルタ装置
JP2006035429A JP2006189893A (ja) 1992-12-09 2006-02-13 電気的に制御可能なフィルタ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9203701A SE502139C2 (sv) 1992-12-09 1992-12-09 Elektriskt styrbar filteranordning

Publications (3)

Publication Number Publication Date
SE9203701D0 SE9203701D0 (sv) 1992-12-09
SE9203701L SE9203701L (sv) 1994-06-10
SE502139C2 true SE502139C2 (sv) 1995-08-28

Family

ID=20388069

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9203701A SE502139C2 (sv) 1992-12-09 1992-12-09 Elektriskt styrbar filteranordning

Country Status (5)

Country Link
US (1) US5438637A (ja)
EP (1) EP0601989A1 (ja)
JP (2) JP3878224B2 (ja)
CA (1) CA2110880C (ja)
SE (1) SE502139C2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210305772A1 (en) * 2020-03-31 2021-09-30 Forschungsverbund Berlin E.V. Diode laser having reduced beam divergence

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Publication number Priority date Publication date Assignee Title
GB2286057A (en) * 1994-01-21 1995-08-02 Sharp Kk Electrically controllable grating
JPH07294860A (ja) * 1994-04-25 1995-11-10 Fuji Photo Film Co Ltd 電気光学光変調装置
US5625729A (en) * 1994-08-12 1997-04-29 Brown; Thomas G. Optoelectronic device for coupling between an external optical wave and a local optical wave for optical modulators and detectors
US5630004A (en) * 1994-09-09 1997-05-13 Deacon Research Controllable beam director using poled structure
US5581642A (en) * 1994-09-09 1996-12-03 Deacon Research Optical frequency channel selection filter with electronically-controlled grating structures
US5647036A (en) * 1994-09-09 1997-07-08 Deacon Research Projection display with electrically-controlled waveguide routing
JP3863277B2 (ja) * 1998-02-17 2006-12-27 日本碍子株式会社 強誘電体結晶基板の加工方法
CA2261197A1 (en) * 1999-02-16 2000-08-16 Ppm Photomask Inc. Tunable electro-optical diffraction grating with electrically switchable period
JP2001066560A (ja) * 1999-08-26 2001-03-16 Nec Corp 光波長可変フィルタ
KR20030031689A (ko) * 2001-10-15 2003-04-23 엘지전자 주식회사 광증폭기의 이득평탄화 장치
FR2857109B1 (fr) * 2003-07-04 2005-09-09 Commissariat Energie Atomique Dispositif optique a guide d'onde optique ruban planaire, muni de moyens pour y inscrire un reseau de bragg de facon temporaire
US7042657B2 (en) * 2003-08-28 2006-05-09 Board Of Regents The University Of Texas System Filter for selectively processing optical and other signals
FR2863728B1 (fr) * 2003-12-16 2006-06-09 Commissariat Energie Atomique Dispositif de commutation optique integre, accordable en longueur d'onde
JP3721565B2 (ja) * 2004-02-27 2005-11-30 学校法人慶應義塾 光機能導波路、光変調器、アレイ導波路回折格子及び分散補償回路
WO2005094316A2 (en) * 2004-03-26 2005-10-13 Sarnoff Corporation Low optical overlap mode (loom) waveguiding system and method of making same
US7397989B2 (en) * 2004-09-21 2008-07-08 Dynamic Method Enterprises Limited Optical switches
JP4422597B2 (ja) * 2004-12-02 2010-02-24 富士通株式会社 半導体レーザ及びその製造方法
CN107065233B (zh) * 2017-03-21 2023-01-31 电子科技大学 一种基于亚波长高对比度光栅的电光可调滤波器
KR20220076147A (ko) 2020-11-30 2022-06-08 강오근 잔디 뗏장 장치

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US3813142A (en) * 1972-12-04 1974-05-28 Gte Laboratories Inc Electro-optic variable phase diffraction grating and modulator
DE2442723A1 (de) * 1974-09-06 1976-03-18 Siemens Ag Steuerbarer elektrooptischer gitterkoppler
DE2443038C2 (de) * 1974-09-09 1984-01-12 Siemens AG, 1000 Berlin und 8000 München Elektrooptischer Schalter und Modulator für sich kreuzende oder verzweigende optische Wellenleiter
DE2443733A1 (de) * 1974-09-12 1976-03-25 Siemens Ag Anordnung zur modulation von licht
DE2517194A1 (de) * 1975-04-18 1976-10-28 Siemens Ag Spektralselektive filtervorrichtung
US4645293A (en) * 1981-03-25 1987-02-24 Taizo Yoshida Optical waveguide coupler having a grating electrode
US4737007A (en) * 1986-02-24 1988-04-12 American Telephone And Telegraph Company, At&T Bell Laboratories Narrow-band wavelength selective optical coupler
GB2197531B (en) * 1986-11-08 1991-02-06 Stc Plc Distributed feedback laser
JPH02106717A (ja) * 1988-10-17 1990-04-18 Nippon Telegr & Teleph Corp <Ntt> 光変調用部品
JPH0789183B2 (ja) * 1989-04-25 1995-09-27 沖電気工業株式会社 光波長フィルタ
US5022730A (en) * 1989-12-12 1991-06-11 At&T Bell Laboratories Wavelength tunable optical filter
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210305772A1 (en) * 2020-03-31 2021-09-30 Forschungsverbund Berlin E.V. Diode laser having reduced beam divergence
US11677214B2 (en) * 2020-03-31 2023-06-13 Ferdinand-Braun-Institut gGmbH, Leibniz-Institut für Höchstfrequenztechnik Diode laser having reduced beam divergence

Also Published As

Publication number Publication date
EP0601989A1 (en) 1994-06-15
JPH06296063A (ja) 1994-10-21
CA2110880C (en) 2004-11-23
CA2110880A1 (en) 1994-06-10
US5438637A (en) 1995-08-01
JP3878224B2 (ja) 2007-02-07
JP2006189893A (ja) 2006-07-20
SE9203701L (sv) 1994-06-10
SE9203701D0 (sv) 1992-12-09

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NUG Patent has lapsed