TWI255931B - Variable optical attenuator having a waveguide and an optically coupled layer with a power monitor - Google Patents
Variable optical attenuator having a waveguide and an optically coupled layer with a power monitorInfo
- Publication number
- TWI255931B TWI255931B TW093138895A TW93138895A TWI255931B TW I255931 B TWI255931 B TW I255931B TW 093138895 A TW093138895 A TW 093138895A TW 93138895 A TW93138895 A TW 93138895A TW I255931 B TWI255931 B TW I255931B
- Authority
- TW
- Taiwan
- Prior art keywords
- waveguide
- voa
- electrodes
- variable optical
- optical attenuator
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 4
- 230000002238 attenuated effect Effects 0.000 abstract 2
- 238000005253 cladding Methods 0.000 abstract 1
- 230000005684 electric field Effects 0.000 abstract 1
- 238000010606 normalization Methods 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/78—Arrangements for sinking or mooring thereof
-
- 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
- G02F1/011—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 in optical waveguides, not otherwise provided for in this subclass
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/043—Artificial seaweed
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/046—Artificial reefs
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
- G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
-
- 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
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
-
- 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
- G02F2201/58—Arrangements comprising a monitoring photodetector
-
- 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
- G02F2203/48—Variable attenuator
Landscapes
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/761,619 US7043132B2 (en) | 2004-01-21 | 2004-01-21 | Variable optical attenuator having a waveguide and an optically coupled layer with a power monitor |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200528784A TW200528784A (en) | 2005-09-01 |
TWI255931B true TWI255931B (en) | 2006-06-01 |
Family
ID=34750208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093138895A TWI255931B (en) | 2004-01-21 | 2004-12-15 | Variable optical attenuator having a waveguide and an optically coupled layer with a power monitor |
Country Status (4)
Country | Link |
---|---|
US (1) | US7043132B2 (zh) |
JP (1) | JP2005208650A (zh) |
KR (1) | KR100607982B1 (zh) |
TW (1) | TWI255931B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI764557B (zh) * | 2020-07-20 | 2022-05-11 | 台灣積體電路製造股份有限公司 | 波導結構及其形成方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2563278A1 (en) * | 2004-04-09 | 2005-10-27 | Optimer Photonics, Inc. | Schemes for controlling optical signals in optically functional waveguide structures |
JP4183716B2 (ja) * | 2006-03-29 | 2008-11-19 | 住友大阪セメント株式会社 | 光導波路素子 |
US7522783B2 (en) * | 2006-06-05 | 2009-04-21 | Fujitsu Limited | Optical interconnect apparatuses and electro-optic modulators for processing systems |
US7949217B2 (en) * | 2008-05-01 | 2011-05-24 | Fujitsu Limited | Selectively enhancing angular beam deflection |
US9534952B2 (en) | 2011-04-15 | 2017-01-03 | Bae Systems Information And Electronic Systems Integration Inc. | Integrated parameter monitoring in a fiber laser/amplifier |
KR102530560B1 (ko) | 2016-08-26 | 2023-05-09 | 삼성전자주식회사 | 레이저빔 스티어링 소자 및 이를 포함하는 시스템 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994006052A1 (en) * | 1992-09-10 | 1994-03-17 | Fujitsu Limited | Optical circuit system and its constituents |
JPH09318978A (ja) * | 1996-05-27 | 1997-12-12 | Mitsubishi Electric Corp | 導波形光機能装置 |
US5966493A (en) * | 1998-02-20 | 1999-10-12 | Molecular Optoelectronics Corporation | Fiber optic attenuators and attenuation systems |
US6441955B1 (en) | 1998-02-27 | 2002-08-27 | Fujitsu Limited | Light wavelength-multiplexing systems |
EP0987580A1 (en) | 1998-09-16 | 2000-03-22 | Akzo Nobel N.V. | Optical intensity modulator and switch comprising the same |
JP3568814B2 (ja) | 1999-02-18 | 2004-09-22 | 日本電信電話株式会社 | 可変光減衰器 |
JP2000314814A (ja) * | 1999-03-02 | 2000-11-14 | Sumitomo Electric Ind Ltd | 光アッテネータ、それを有する平面導波路型光回路及びそれを有するアッテネーション・システム |
US6553175B2 (en) | 2000-01-21 | 2003-04-22 | Sycamore Networks, Inc. | Variable optical attenuator |
US6441953B1 (en) * | 2000-04-24 | 2002-08-27 | Corning Incorporated | L band multistage amplifier with improved noise figure |
US6546163B2 (en) | 2000-10-09 | 2003-04-08 | John I. Thackara | Planar waveguide switch and optical cross-connect |
US6504970B2 (en) * | 2001-03-15 | 2003-01-07 | Lucent Technologies Inc. | Planar lightwave wavelength blocker |
JP2003090926A (ja) * | 2001-09-18 | 2003-03-28 | Furukawa Electric Co Ltd:The | 光等化器 |
US6859567B2 (en) * | 2001-11-30 | 2005-02-22 | Photintech Inc. | In-guide control of optical propagation |
JP2003207755A (ja) | 2002-01-15 | 2003-07-25 | Fuji Photo Film Co Ltd | 導波路型光変調素子及びその製造方法 |
US7035524B2 (en) * | 2002-12-26 | 2006-04-25 | Fujitsu Limited | Variable optical attenuator |
US6917748B2 (en) * | 2003-07-01 | 2005-07-12 | Fujitsu Limited | Variable optical attenuator on an electro-optical layer |
-
2004
- 2004-01-21 US US10/761,619 patent/US7043132B2/en not_active Expired - Fee Related
- 2004-12-15 TW TW093138895A patent/TWI255931B/zh not_active IP Right Cessation
-
2005
- 2005-01-20 JP JP2005013183A patent/JP2005208650A/ja active Pending
- 2005-01-21 KR KR1020050005771A patent/KR100607982B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI764557B (zh) * | 2020-07-20 | 2022-05-11 | 台灣積體電路製造股份有限公司 | 波導結構及其形成方法 |
US11442296B2 (en) | 2020-07-20 | 2022-09-13 | Taiwan Semiconductor Manufacturing Company Ltd. | Waveguide structure and method for forming the same |
Also Published As
Publication number | Publication date |
---|---|
US20050157983A1 (en) | 2005-07-21 |
KR100607982B1 (ko) | 2006-08-08 |
TW200528784A (en) | 2005-09-01 |
US7043132B2 (en) | 2006-05-09 |
KR20050076711A (ko) | 2005-07-26 |
JP2005208650A (ja) | 2005-08-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102667556B (zh) | 光波导器件以及模块 | |
JP5877280B2 (ja) | 光増幅器、光増幅システム、波長変換器および光通信システム | |
WO2012132904A1 (ja) | 電界計測装置 | |
EP1801643A1 (en) | Broad-band light source | |
JP2010054925A (ja) | 光変調器およびそれを用いた光送信装置 | |
TWI255931B (en) | Variable optical attenuator having a waveguide and an optically coupled layer with a power monitor | |
Hirabayashi et al. | Liquid crystal variable optical attenuators integrated on planar lightwave circuits | |
TWI283931B (en) | Optical transistor | |
US7340143B2 (en) | Semiconductor Raman variable optical attenuator/amplifier and equalizer | |
Shahoei et al. | Continuously tunable slow and fast light by using an optically pumped tilted fiber Bragg grating written in an erbium/ytterbium co-doped fiber | |
JP2013210278A (ja) | 電界計測装置 | |
US8306370B2 (en) | Mach zehnder modulator | |
Shin et al. | Reconfigurable Optical Add‐Drop Multiplexer Using a Polymer Integrated Photonic Lightwave Circuit | |
Kalli et al. | Femtosecond laser inscription of fiber Bragg gratings with low insertion loss and minor polarization dependence | |
Camerlingo et al. | Multichannel wavelength conversion of 40-Gb/s nonreturn-to-zero DPSK signals in a lead–silicate fiber | |
Sackey et al. | Non-reciprocal gain due to counter-propagating pumps in a polarization-independent FOPA with diversity loop | |
Ramanitra et al. | Fibred optical variable attenuator using liquid crystal dispersed in polymer | |
Huh et al. | A novel four-wave mixing compensator | |
Gonthier | Novel fiber devices for Raman amplifiers and EDFAs | |
JP2006154687A (ja) | 光可変減衰器アレイ | |
Zi et al. | Arbitrary Microwave Signal Generator based on an Optoelectronic Oscillator and Time-Domain Processing | |
Liu et al. | Multi-wavelength Erbium-doped fibre lasers on assistance of high-nonlinear photonic-crystal fibres | |
Nolan | Multiple wavelength: nonlinear optical processing in fiber | |
Noh et al. | Novel voltage-controlled polymeric variable optical attenuator (VOA) | |
Kazmierski et al. | A hybrid photonic-integrated electroabsorption modulator device for 50-Gb/s DQPSK generation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |