SE9302542D0 - Interferometric, tunable optical filter - Google Patents
Interferometric, tunable optical filterInfo
- Publication number
- SE9302542D0 SE9302542D0 SE19939302542A SE9302542A SE9302542D0 SE 9302542 D0 SE9302542 D0 SE 9302542D0 SE 19939302542 A SE19939302542 A SE 19939302542A SE 9302542 A SE9302542 A SE 9302542A SE 9302542 D0 SE9302542 D0 SE 9302542D0
- Authority
- SE
- Sweden
- Prior art keywords
- optical filter
- interferometric
- tunable optical
- signal
- wavelength
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the arrayed waveguides, e.g. comprising a filled groove in the array section
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12014—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the wavefront splitting or combining section, e.g. grooves or optical elements in a slab waveguide
-
- 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
- G02F1/21—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 by interference
- G02F1/225—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 by interference in an optical waveguide structure
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12023—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the polarisation dependence, e.g. reduced birefringence
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12033—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for configuring the device, e.g. moveable element for wavelength tuning
-
- 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
- G02F1/21—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 by interference
- G02F1/225—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 by interference in an optical waveguide structure
- G02F1/2257—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 by interference in an optical waveguide structure the optical waveguides being made of semiconducting material
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
-
- 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
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
-
- 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
- H01S5/1003—Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Optical Integrated Circuits (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/929,450 US5351317A (en) | 1992-08-14 | 1992-08-14 | Interferometric tunable optical filter |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9302542D0 true SE9302542D0 (sv) | 1993-08-02 |
SE9302542L SE9302542L (sv) | 1994-02-15 |
SE511608C2 SE511608C2 (sv) | 1999-10-25 |
Family
ID=25457880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9302542A SE511608C2 (sv) | 1992-08-14 | 1993-08-02 | Interferomatriskt avstämbart optiskt filter |
Country Status (7)
Country | Link |
---|---|
US (1) | US5351317A (sv) |
JP (1) | JPH06160654A (sv) |
CA (1) | CA2101412C (sv) |
DE (1) | DE4327103B4 (sv) |
FR (1) | FR2694817B1 (sv) |
GB (1) | GB2269678B (sv) |
SE (1) | SE511608C2 (sv) |
Families Citing this family (72)
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US5579143A (en) * | 1993-06-04 | 1996-11-26 | Ciena Corporation | Optical system with tunable in-fiber gratings |
US5600473A (en) * | 1993-06-04 | 1997-02-04 | Ciena Corporation | Optical amplifier systems with add/drop multiplexing |
SE501495C2 (sv) * | 1993-07-02 | 1995-02-27 | Ericsson Telefon Ab L M | Avstämbar optisk anordning |
DE59502068D1 (de) * | 1994-01-11 | 1998-06-10 | Siemens Ag | Optische Anordnung aus streifenförmigen optischen Wellenleitern |
EP0695428B1 (en) * | 1994-02-11 | 2001-10-10 | Koninklijke Philips Electronics N.V. | Optical device with phased array |
DE4410780A1 (de) * | 1994-03-28 | 1995-10-05 | Siemens Ag | Integrierte Laseranordnung in Verbindung mit einem mitintegrierten Interferometer |
US5515460A (en) * | 1994-12-22 | 1996-05-07 | At&T Corp. | Tunable silicon based optical router |
US5680235A (en) * | 1995-04-13 | 1997-10-21 | Telefonaktiebolaget Lm Ericsson | Optical multichannel system |
JP3432957B2 (ja) * | 1995-07-05 | 2003-08-04 | 三洋電機株式会社 | 光変調装置および光ファイバ通信システム |
DE19527219B4 (de) * | 1995-07-26 | 2007-06-21 | Robert Bosch Gmbh | Abstimmvorrichtung für ein integriert optisches Vielstrahlinterferometer |
DE19602677C1 (de) * | 1996-01-25 | 1996-11-14 | Siemens Ag | Verfahren und Schaltungsanordnung zur Frequenzstabilisierung eines WDM-Multiplexers/-Demultiplexers |
JPH09211501A (ja) * | 1996-01-31 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 熱光学光スイッチ |
IL119006A (en) | 1996-08-04 | 2001-04-30 | B G Negev Technologies And App | Optical filters with adjustable stay line |
DE59712086D1 (de) * | 1996-09-30 | 2004-12-23 | Infineon Technologies Ag | Anordnung zur Durchführung eines Add/Drop-Verfahrens im Wellenlängenmultiplex übertragenen optischen Leistungen |
DE19640725A1 (de) * | 1996-10-02 | 1998-04-09 | Reinhold Prof Dr Ing Noe | Netzwerkanalysator |
US6545783B1 (en) | 1996-10-29 | 2003-04-08 | Chorum Technologies Lp | Optical wavelength add/drop multiplexer |
US6847786B2 (en) | 1996-10-29 | 2005-01-25 | Ec-Optics Technology, Inc. | Compact wavelength filter using optical birefringence and reflective elements |
US6115155A (en) | 1996-10-29 | 2000-09-05 | Chorum Technologies Inc. | System for dealing with faults in an optical link |
US6243200B1 (en) | 2000-03-02 | 2001-06-05 | Chorum Technologies, Inc. | Optical wavelength router based on polarization interferometer |
US6163393A (en) | 1996-10-29 | 2000-12-19 | Chorum Technologies Inc. | Method and apparatus for wavelength multipexing/demultiplexing |
US6141469A (en) * | 1997-06-20 | 2000-10-31 | British Telecommunications Puplic Limited Company | Multi-band-pass filter |
DE19744354C2 (de) * | 1997-10-08 | 2001-02-01 | Hertz Inst Heinrich | Vorrichtungen zum Trennen und Überlagern von verschiedene Frequenzkomponenten aufweisenden Lichtsignalen |
DE19745323C2 (de) * | 1997-10-14 | 1999-09-16 | Deutsche Telekom Ag | Verfahren und Vorrichtung zum spektralen Pegelableich in MDW Vielkanalsystemen |
GB2334594A (en) | 1998-02-20 | 1999-08-25 | Fujitsu Telecommunications Eur | Arrayed waveguide grating device |
GB2339919B (en) * | 1998-07-17 | 2002-12-11 | Bookham Technology Ltd | Thermo-optic semiconductor device |
GB2344657A (en) * | 1998-11-06 | 2000-06-14 | Univ Heriot Watt | Wavelength selective optical filter |
US6384964B1 (en) * | 1999-01-27 | 2002-05-07 | The Furukawa Electric Co., Ltd. | Optical gain equalizer, and method for producing the optical gain equalizer, and applications of the optical gain equalizer |
US6400855B1 (en) | 1999-04-16 | 2002-06-04 | Radiant Photonics, Inc. | N × N optical switching array device and system |
US6519060B1 (en) | 1999-06-04 | 2003-02-11 | Chorum Technologies Lp | Synchronous optical network in frequency domain |
US6275328B1 (en) * | 1999-07-27 | 2001-08-14 | Nortel Networks Limited | Amplifier control |
US6947220B1 (en) | 1999-11-22 | 2005-09-20 | Ksm Associates, Inc. | Devices for information processing in optical communications |
DE10020951C2 (de) * | 2000-04-28 | 2002-10-10 | Siemens Ag | Dispersionskompensator, optische Signalstrecke und Verfahren zur Dispersionskompensation |
EP1176439A1 (en) * | 2000-07-11 | 2002-01-30 | Corning Incorporated | Tapped delay line based gain flattening filter |
US6574380B2 (en) | 2000-07-11 | 2003-06-03 | Corning Incorporated | Tapped delay line-based configurable spectral filter with in-situ monitoring |
JP2002082321A (ja) * | 2000-09-08 | 2002-03-22 | Mitsubishi Electric Corp | 可変光フィルタ |
US6678439B2 (en) * | 2001-06-14 | 2004-01-13 | Martin Hoffmann | Wavelength division multiplexing and broadcast optical interconnection apparatus |
US6697544B2 (en) | 2001-07-25 | 2004-02-24 | Agere Systems, Inc. | Tunable thermo-optic device and method for using |
JP3643058B2 (ja) * | 2001-07-30 | 2005-04-27 | Tdk株式会社 | 導波路形回折格子 |
US6515786B1 (en) | 2001-08-03 | 2003-02-04 | Chorum Technologies Lp | Bandwidth variable wavelength router and method of operation |
JP2003057457A (ja) * | 2001-08-08 | 2003-02-26 | Nippon Telegr & Teleph Corp <Ntt> | 光フィルタ |
DE10140542A1 (de) * | 2001-08-17 | 2003-03-06 | Deutsche Telekom Ag | Verfahren und Vorrichtung zur Erzeugung von Interferenz von Licht |
US6671437B2 (en) | 2002-05-08 | 2003-12-30 | Lambda Crossing Ltd. | Method and device for tunable frequency selective filtering of optical signals |
JPWO2004038493A1 (ja) * | 2002-10-25 | 2006-02-23 | 古河電気工業株式会社 | ダイナミックゲインイコライザー |
GB2394598A (en) * | 2002-10-26 | 2004-04-28 | Bookham Technology Plc | Reducing the number of stray charge carriers within an optical waveguide |
JP4593080B2 (ja) * | 2003-03-28 | 2010-12-08 | 古河電気工業株式会社 | 光監視用デバイス |
GB2404034A (en) * | 2003-07-17 | 2005-01-19 | Dow Corning Ltd | An electro-optically tunable optical filter |
US7492463B2 (en) * | 2004-04-15 | 2009-02-17 | Davidson Instruments Inc. | Method and apparatus for continuous readout of Fabry-Perot fiber optic sensor |
US7305158B2 (en) * | 2004-04-15 | 2007-12-04 | Davidson Instruments Inc. | Interferometric signal conditioner for measurement of absolute static displacements and dynamic displacements of a Fabry-Perot interferometer |
EP1681540A1 (en) | 2004-12-21 | 2006-07-19 | Davidson Instruments, Inc. | Multi-channel array processor |
EP1674833A3 (en) | 2004-12-21 | 2007-05-30 | Davidson Instruments, Inc. | Fiber optic sensor system |
US20060274323A1 (en) | 2005-03-16 | 2006-12-07 | Gibler William N | High intensity fabry-perot sensor |
US7792403B1 (en) | 2005-09-08 | 2010-09-07 | Infinera Corporation | Adiabatic polarization converter |
WO2007033069A2 (en) | 2005-09-13 | 2007-03-22 | Davidson Instruments Inc. | Tracking algorithm for linear array signal processor for fabry-perot cross-correlation pattern and method of using same |
US7684051B2 (en) * | 2006-04-18 | 2010-03-23 | Halliburton Energy Services, Inc. | Fiber optic seismic sensor based on MEMS cantilever |
WO2007126475A2 (en) | 2006-04-26 | 2007-11-08 | Davidson Instruments, Inc. | Fiber optic mems seismic sensor with mass supported by hinged beams |
US8115937B2 (en) | 2006-08-16 | 2012-02-14 | Davidson Instruments | Methods and apparatus for measuring multiple Fabry-Perot gaps |
WO2008091645A1 (en) | 2007-01-24 | 2008-07-31 | Davidson Energy | Transducer for measuring environmental parameters |
DE102007031864A1 (de) * | 2007-07-04 | 2009-01-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Anordnung zur Kompensation von polarisationsabhängiger Frequenzverschiebung (PDFS) in optischen Wellenleitern sowie ein entsprechendes Computerprogramm und ein entsprechendes computerlesbares Speichermedium |
US7565041B2 (en) * | 2007-10-26 | 2009-07-21 | Infinera Corporation | Symmetric optical circuit with integrated polarization rotator |
JP5182049B2 (ja) | 2008-12-09 | 2013-04-10 | 富士通株式会社 | 偏波変換デバイス及び偏波多重変調器 |
US9344196B1 (en) | 2009-05-28 | 2016-05-17 | Freedom Photonics, Llc. | Integrated interferometric optical transmitter |
US8401399B2 (en) | 2009-05-28 | 2013-03-19 | Freedom Photonics, Llc. | Chip-based advanced modulation format transmitter |
JP2011100168A (ja) * | 2011-02-21 | 2011-05-19 | Sumitomo Osaka Cement Co Ltd | 光導波路素子 |
FR2986379B1 (fr) * | 2012-01-30 | 2017-03-17 | Agilent Tech Inc (A Delaware Corporation) | "laser accordable en phase continue" |
TW201441692A (zh) * | 2013-04-30 | 2014-11-01 | Hon Hai Prec Ind Co Ltd | 電光調製器 |
WO2015052937A1 (ja) * | 2013-10-11 | 2015-04-16 | 国立大学法人大阪大学 | スペクトル圧縮装置、光アナログ/デジタル変換システム、およびスペクトル圧縮方法 |
US10665958B2 (en) | 2015-03-19 | 2020-05-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Beamforming receiver |
EP3272025B1 (en) * | 2015-03-19 | 2019-06-12 | Telefonaktiebolaget LM Ericsson (publ) | Phase rotation and amplitude control unit |
US10320152B2 (en) | 2017-03-28 | 2019-06-11 | Freedom Photonics Llc | Tunable laser |
JP7163666B2 (ja) | 2018-08-22 | 2022-11-01 | 日本電信電話株式会社 | 光デジタル・アナログ変換器 |
WO2021003221A1 (en) | 2019-07-02 | 2021-01-07 | Lightmatter, Inc. | Photonics stabilization circuitry |
US20210286128A1 (en) * | 2020-03-16 | 2021-09-16 | Lightmatter, Inc. | Realizing high per-mode optical power with integrated light sources and optical combiners |
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US4111521A (en) * | 1977-01-21 | 1978-09-05 | Xerox Corporation | Semiconductor light reflector/light transmitter |
US4878723A (en) * | 1986-02-06 | 1989-11-07 | Gte Laboratories Incorporated | Optically controlled semiconductor waveguide interferometer apparatus |
JPH02269323A (ja) * | 1989-04-11 | 1990-11-02 | Matsushita Electric Ind Co Ltd | 発光素子 |
US5009477A (en) * | 1989-05-12 | 1991-04-23 | At&T Bell Laboratories | Optical interconnect arrangement |
US5013113A (en) * | 1989-08-31 | 1991-05-07 | The United States Of America As Represented By The Secretary Of The Air Force | Lossless non-interferometric electro-optic III-V index-guided-wave switches and switching arrays |
JPH03131825A (ja) * | 1989-10-18 | 1991-06-05 | Hitachi Ltd | 光周波数シフタ |
US5034603A (en) * | 1989-11-06 | 1991-07-23 | Wilson Keith E | Integrated optics wavelength stabilization unit |
JPH0545680A (ja) * | 1991-08-09 | 1993-02-26 | Oki Electric Ind Co Ltd | 光波長フイルタ素子及び光波長フイルタ装置 |
US5157744A (en) * | 1991-12-16 | 1992-10-20 | At&T Bell Laboratories | Soliton generator |
-
1992
- 1992-08-14 US US07/929,450 patent/US5351317A/en not_active Expired - Lifetime
-
1993
- 1993-07-27 CA CA002101412A patent/CA2101412C/en not_active Expired - Lifetime
- 1993-07-29 GB GB9315728A patent/GB2269678B/en not_active Expired - Lifetime
- 1993-08-02 SE SE9302542A patent/SE511608C2/sv not_active IP Right Cessation
- 1993-08-12 DE DE4327103A patent/DE4327103B4/de not_active Expired - Lifetime
- 1993-08-12 FR FR9309902A patent/FR2694817B1/fr not_active Expired - Lifetime
- 1993-08-13 JP JP5201503A patent/JPH06160654A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE4327103A1 (de) | 1994-02-17 |
FR2694817B1 (fr) | 1995-09-01 |
DE4327103B4 (de) | 2008-07-31 |
SE511608C2 (sv) | 1999-10-25 |
FR2694817A1 (fr) | 1994-02-18 |
GB2269678B (en) | 1996-03-27 |
SE9302542L (sv) | 1994-02-15 |
JPH06160654A (ja) | 1994-06-07 |
GB9315728D0 (en) | 1993-09-15 |
CA2101412A1 (en) | 1994-02-15 |
US5351317A (en) | 1994-09-27 |
GB2269678A (en) | 1994-02-16 |
CA2101412C (en) | 2004-02-24 |
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