JP2019530978A - 導波路構造体 - Google Patents
導波路構造体 Download PDFInfo
- Publication number
- JP2019530978A JP2019530978A JP2019517031A JP2019517031A JP2019530978A JP 2019530978 A JP2019530978 A JP 2019530978A JP 2019517031 A JP2019517031 A JP 2019517031A JP 2019517031 A JP2019517031 A JP 2019517031A JP 2019530978 A JP2019530978 A JP 2019530978A
- Authority
- JP
- Japan
- Prior art keywords
- waveguide
- layer
- cladding layer
- waveguide core
- upper cladding
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000010410 layer Substances 0.000 claims abstract description 187
- 238000005253 cladding Methods 0.000 claims abstract description 115
- 239000012792 core layer Substances 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000001039 wet etching Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000012774 insulation material Substances 0.000 claims abstract 2
- 238000002161 passivation Methods 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 14
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 13
- 238000001312 dry etching Methods 0.000 claims description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 claims 6
- MDPILPRLPQYEEN-UHFFFAOYSA-N aluminium arsenide Chemical compound [As]#[Al] MDPILPRLPQYEEN-UHFFFAOYSA-N 0.000 claims 4
- AUCDRFABNLOFRE-UHFFFAOYSA-N alumane;indium Chemical compound [AlH3].[In] AUCDRFABNLOFRE-UHFFFAOYSA-N 0.000 claims 2
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 claims 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims 1
- 239000011162 core material Substances 0.000 description 24
- 238000010438 heat treatment Methods 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
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
- G02F1/01—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
- G02F1/0147—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 thermo-optic effects
-
- 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
- G02B6/12002—Three-dimensional structures
-
- 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
- G02B6/13—Integrated optical circuits characterised by the manufacturing method
- G02B6/136—Integrated optical circuits characterised by the manufacturing method by etching
-
- 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
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02453—Heating, e.g. the laser is heated for stabilisation against temperature fluctuations of the environment
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02461—Structure or details of the laser chip to manipulate the heat flow, e.g. passive layers in the chip with a low heat conductivity
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
-
- 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
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
- H01S5/0612—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by temperature
-
- 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
- H01S5/06256—Controlling the frequency of the radiation with DBR-structure
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2081—Methods of obtaining the confinement using special etching techniques
- H01S5/2086—Methods of obtaining the confinement using special etching techniques lateral etch control, e.g. mask induced
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/2205—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers
- H01S5/2222—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers having special electric properties
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/227—Buried mesa structure ; Striped active layer
-
- 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
- G02B2006/12035—Materials
-
- 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
- G02B2006/12083—Constructional arrangements
- G02B2006/12097—Ridge, rib or the like
-
- 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
- G02B2006/12083—Constructional arrangements
- G02B2006/12107—Grating
-
- 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
- G02B2006/12133—Functions
- G02B2006/12135—Temperature control
-
- 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
- G02B2006/12166—Manufacturing methods
- G02B2006/12176—Etching
-
- 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
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/2205—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers
- H01S5/2218—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers having special optical properties
- H01S5/222—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers having special optical properties having a refractive index lower than that of the cladding layers or outer guiding layers
-
- 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
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3211—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities
- H01S5/3214—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities comprising materials from other groups of the periodic system than the materials of the active layer, e.g. ZnSe claddings and GaAs active layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Nonlinear Science (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Integrated Circuits (AREA)
- Semiconductor Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
・H3PO4−H2O2、
・H2SO4−H2O2、
・クエン酸−H2O2、
・HNO3、
・酒石酸−HNO3、
・酒石酸−H2O2、及び、
・HF−H2O2。
102 導波路コア層
103 nクラッド層
104 基板
105 導波路リッジ
111 pクラッド
112 導波路コア層
113 nクラッド層
114 基板
115 導波路リッジ
116 絶縁領域
201 上部pクラッド層
202 導波路コア
203 下部nクラッド層
204 導波路リッジ
205 犠牲材料層
206 基板
207 ビア
208 空隙
209 支持構造
301 上部pクラッド
302 導波路コア
303 下部nクラッド
304 導波路リッジ
305 犠牲層
306 基板
307 ビア
308 空隙
400 層状構造体
401 導波路コア層
402 導波路コア層
403 下部クラッド層
404 導波路リッジ
405 犠牲層
406 基板層
407 ビア
408 空隙
410 中間構造体
411 上部クラッド層
412 導波路コア層
413 下部クラッド層
415 犠牲層
601 上部クラッド
602 導波路コア層
603 下部クラッド
604 導波路リッジ
605 犠牲層
606 基板
607 ビア
609 パッシベーション誘電体
610 ヒータ抵抗器
611 接地接点
612 接地接点
701 上部クラッド
702 導波路コア層
703 下部クラッド
704 導波路リッジ
705 犠牲層
706 基板
707 ビア
709 ヒータ
710 ヒータ
711 接地接点
712 接地接点
713 支持リッジ
714 パッシベーション誘電体
801 上部クラッド
802 導波路コア層
803 下部クラッド
804 導波路
805 犠牲層
806 基板
807 ビア
808 絶縁領域
809 ヒータ
810 ヒータ
811 接地接点
812 接地接点
4000 エッチング
4001 エッチング
4002 エッチング
Claims (27)
- 熱的に制御可能な部分を有する導波路を含む導波路構造体であって、前記導波路構造体が、複数の層を含み、
前記層が、順に、
基板、
犠牲層、
下部クラッド層、
導波路コア層、及び、
上部クラッド層、
を含み、
前記下部クラッド層、導波路コア層及び上部クラッド層が、前記導波路を形成し、前記導波路が、導波路コアを有し、
前記導波路構造体が、前記上部クラッド層、導波路コア層及び下部クラッド層を貫通し、前記熱的に制御可能な部分のほぼ全長に沿って前記導波路コアと平行に延びる連続的なビアを有し、
前記犠牲層が、前記熱的に制御可能な部分の全長に沿って前記導波路コアを超えて少なくとも前記ビアから延びる断熱領域を含み、前記犠牲層が、前記断熱領域の外側の犠牲材料と、前記断熱領域の内側の前記下部クラッド層及び基板を分離する断熱ギャップ又は断熱材料を含む、導波路構造体。 - 前記断熱領域が、前記ビアから前記導波路コアを越えて少なくとも5ミクロンまで延びる、請求項1に記載の導波路構造体。
- 前記導波路コア層の露出面に付けられたパッシベーション誘電体を備える、請求項1又は2に記載の導波路構造体。
- 前記導波路コアの前記ビアとは反対側で前記上部クラッド層と電気的に接触している接地接点を備える、請求項1から3の何れか一項に記載の導波路構造体。
- 前記導波路コアに隣接する前記上部クラッド層と電気的に接触する接地接点を備える、請求項1から4の何れか一項に記載の導波路構造体。
- 前記導波路コアに隣接する前記上部クラッド層と熱的に接触しているヒータを備える、請求項1から5の何れか一項に記載の導波路構造体。
- 前記導波路コアの両側に配置された2つのヒータを備える、請求項1から6の何れか一項に記載の導波路構造体。
- 前記上部クラッド層と前記ヒータとの間に設けられたパッシベーション誘電体を含み、
前記パッシベーション誘電体が、前記導波路リッジを前記ヒータから電気的に絶縁するように構成される、請求項6又は7に記載の導波路構造体。 - 前記ヒータが、ヒータ抵抗器である、請求項6から8の何れか一項に記載の導波路構造体。
- 前記犠牲層の厚さが、0.5ミクロンから2ミクロンの間である、請求項1から9の何れか一項に記載の導波路構造体。
- 前記断熱領域の幅が、20ミクロンから40ミクロンであり、前記幅が、前記導波路コアに垂直な方向及び前記犠牲層の平面において測定される、請求項1から10の何れか一項に記載の導波路構造体。
- 前記犠牲材料が、以下のうちの何れか1つ又は複数を含む、請求項1から11の何れか一項に記載の導波路構造体:
ヒ化インジウムガリウム(InGaAs)、
ヒ化アルミニウムインジウム(AlInAs)、及び、
ヒ化アルミニウムガリウムインジウム(AlGaInAs)。 - 前記犠牲材料が、下層のAlInAs及び上層のInGaAsを含む、請求項1から12の何れか一項に記載の導波路構造体。
- 前記上部クラッド層が、前記導波路コアに隣接して配置された導波路リッジを含む、請求項1から13の何れか一項に記載の導波路構造体。
- 前記導波路リッジと前記ビアとの間に配置され、前記熱的に制御可能な部分のほぼ全長に沿って前記導波路リッジと平行に延びる支持リッジを含む、請求項14に記載の導波路構造体。
- 前記上部クラッド及び導波路コア層が、導波路を含み、
前記導波路構造体が、前記導波路を前記上部クラッド及び導波路コア層の他の部分から絶縁する絶縁領域を前記導波路の両側にさらに備える、請求項1から13の何れか一項に記載の導波路構造体。 - 請求項1から16の何れか一項に記載の導波路構造体を備える波長可変レーザー。
- 前記導波路の前記熱的に制御可能な部分が、分布ブラッグ反射器の一部を形成する、請求項17に記載のレーザー。
- 前記導波路の前記熱的に制御可能な部分が、レーザーキャビティ内の位相制御器の一部を形成する、請求項17に記載のレーザー。
- 熱制御導波路の製造方法であって、
前記方法が、
導波路構造体を提供する段階であって、前記導波路構造体が、順に、
基板、
犠牲層、
下部クラッド層、
導波路コア層、及び、
上部クラッド層、
を含み、
前記下部クラッド層、導波路コア層及び上部クラッド層が、前記導波路を形成し、前記導波路が、導波路コアを有し、
前記導波路構造体が、前記上部クラッド層、導波路コア層及び下部クラッド層を貫通し、前記熱的に制御可能な部分の全長に沿って前記導波路リッジと平行に延びる連続的なビアを有する段階と、
前記熱的に制御可能な部分の全長に沿って前記導波路リッジを超えて少なくとも前記ビアから延びる前記犠牲層の少なくとも断熱領域から材料を除去するために、前記ビアを通して前記犠牲層に湿式エッチングを施し、前記断熱領域の前記下部クラッド層及び基板を分離するギャップを生成する段階であって、前記湿式エッチングが、前記犠牲層の材料をエッチングし、前記基板及び下部クラッド層の材料をエッチングしない段階と、
を含む、熱制御導波路の製造方法。 - 前記導波路構造体が、前記導波路コア層の露出面に付けられたパッシベーション誘電体をさらに備える、請求項20に記載の方法。
- 前記エッチング液が、以下の何れか1つである、請求項20又は21に記載の方法:
H3PO4−H2O2、
H2SO4−H2O2、
クエン酸−H2O2、
HNO3、
酒石酸−HNO3、
酒石酸−H2O2、及び、
HF−H2O2。 - 前記犠牲層が、以下のうちの何れか1つ又は複数を含む、請求項20から22の何れか一項に記載の方法:
ヒ化インジウムガリウム(InGaAs)、
ヒ化アルミニウムインジウム(AlInAs)、及び、
ヒ化アルミニウムガリウムインジウム(AlGaInAs)。 - 前記犠牲層が、AlInAsの層及びInGaAsの層を含む、請求項20から23の何れか一項に記載の方法。
- 前記導波路構造体を提供する段階が、
導波路リッジを形成するために前記上部クラッド層をエッチングする段階と、
前記ビアを形成するために、前記上部クラッド層、導波路コア層及び下部クラッド層をエッチングする段階と、
を含む、請求項20から24の何れか一項に記載の方法。 - 前記上部クラッド層をエッチングする段階と、前記上部クラッド層、導波路コア層及び下部クラッド層をエッチングする段階とが、乾式エッチング又は乾式エッチングと湿式エッチングとの組合せを含む、請求項25に記載の方法。
- 前記上部クラッド層をエッチングする段階、及び、前記上部クラッド層、導波路コア層及び下部クラッド層をエッチングする段階の前に、
前記基板、
前記犠牲層、
前記下部クラッド層、
前記導波路コア層、及び、
前記上部クラッド層、
を順に含む層状構造体を製造する段階を含む、請求項25又は26に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1616562.3 | 2016-09-29 | ||
GB1616562.3A GB2554460A (en) | 2016-09-29 | 2016-09-29 | Waveguide structure |
PCT/GB2017/052931 WO2018060729A1 (en) | 2016-09-29 | 2017-09-29 | Waveguide structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019530978A true JP2019530978A (ja) | 2019-10-24 |
JP6696051B2 JP6696051B2 (ja) | 2020-05-20 |
Family
ID=57571172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019517031A Active JP6696051B2 (ja) | 2016-09-29 | 2017-09-29 | 導波路構造体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10746922B2 (ja) |
JP (1) | JP6696051B2 (ja) |
CN (1) | CN109804513B (ja) |
DE (1) | DE112017004914B4 (ja) |
GB (2) | GB2554460A (ja) |
WO (1) | WO2018060729A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2571269B (en) | 2018-02-21 | 2021-07-07 | Rockley Photonics Ltd | Optoelectronic device |
GB2595588B (en) * | 2018-02-21 | 2022-08-31 | Rockley Photonics Ltd | Optoelectronic device |
EP3565068B1 (en) * | 2018-04-30 | 2021-02-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Thermally tunable laser and method for fabricating such laser |
GB2587071A (en) | 2019-06-13 | 2021-03-17 | Rockley Photonics Ltd | Multilayer metal stack heater |
CN110716262A (zh) * | 2019-11-19 | 2020-01-21 | 杭州芯耘光电科技有限公司 | 一种硅光光模斑模式转换器及其制造方法 |
KR102372373B1 (ko) * | 2020-03-13 | 2022-03-11 | 한국전자통신연구원 | 레이저 소자 |
US11226506B2 (en) * | 2020-03-17 | 2022-01-18 | Taiwan Semiconductor Manufacturing Company, Ltd. | Heater structure with a gas-filled isolation structure to improve thermal efficiency in a modulator device |
CN111596406B (zh) * | 2020-04-27 | 2022-08-05 | 联合微电子中心有限责任公司 | 厚膜光波导及其制造方法 |
CN117192689A (zh) * | 2020-04-29 | 2023-12-08 | 朗美通经营有限责任公司 | 热控光子结构 |
GB2595880B (en) * | 2020-06-09 | 2023-05-10 | Rockley Photonics Ltd | Optoelectronic device and method of manufacture thereof |
CN111653856A (zh) * | 2020-06-24 | 2020-09-11 | 中国电子科技集团公司第四十一研究所 | 一种陶瓷矩形太赫兹波导管芯、波导组件及其制备方法 |
FR3111997B1 (fr) * | 2020-06-29 | 2022-09-23 | Soitec Silicon On Insulator | Procede de fabrication d’un composant thermo-optique |
US11784464B2 (en) * | 2020-09-30 | 2023-10-10 | Ii-Vi Delaware, Inc. | Directly modulated laser |
CN112563878B (zh) * | 2020-12-10 | 2023-11-07 | 武汉光迅科技股份有限公司 | 一种热调谐半导体芯片及其制备方法 |
CN114764163A (zh) * | 2021-01-15 | 2022-07-19 | 宁波元芯光电子科技有限公司 | 一种悬空波导支撑结构及其制作方法 |
DE102021211848A1 (de) | 2021-10-20 | 2023-04-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Vorrichtung zur erzeugung einer laserstrahlung mit einer lateral-current-injection-laseranordnung und einem hohlraum, sowie verfahren zur herstellung derselben |
CN114035270B (zh) * | 2021-11-08 | 2023-10-13 | 浙江光特科技有限公司 | 一种光波导中金属刻蚀的方法 |
CN114089598A (zh) * | 2022-01-24 | 2022-02-25 | 浙江光特科技有限公司 | 半导体器件的制造方法 |
CN114597763B (zh) * | 2022-05-07 | 2022-09-20 | 武汉光迅科技股份有限公司 | 一种新型结构的热调谐激光器芯片及其制作方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09211240A (ja) * | 1996-01-31 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 位相調整機能付光導波路及びその作製方法 |
JP2000206476A (ja) * | 1999-01-18 | 2000-07-28 | Kyocera Corp | 温度制御型光導波路 |
JP2004037524A (ja) * | 2002-06-28 | 2004-02-05 | Nec Corp | 熱光学位相シフタ及びその製造方法 |
US20040240818A1 (en) * | 2003-05-30 | 2004-12-02 | Lucent Technologies Inc. | High speed thermo-optic phase shifter and devices comprising same |
JP2006245344A (ja) * | 2005-03-03 | 2006-09-14 | Nec Corp | 波長可変レーザ |
US20070286552A1 (en) * | 2004-05-18 | 2007-12-13 | Timo Aalto | Structure Comprising An Adiabatic Coupler For Adiabatic Coupling Of Light Between Two Optical Waveguides And Method For Manufacturing Such A Structure |
WO2008047634A1 (fr) * | 2006-10-20 | 2008-04-24 | Nec Corporation | Déphaseur thermo-optique et procédé de production de celui-ci |
JP2014182185A (ja) * | 2013-03-18 | 2014-09-29 | Fujitsu Ltd | 光スイッチ及びその製造方法 |
US20140321488A1 (en) * | 2013-04-30 | 2014-10-30 | Futurewei Technologies, Inc. | Tunable Laser With High Thermal Wavelength Tuning Efficiency |
JP2015170750A (ja) * | 2014-03-07 | 2015-09-28 | 住友電気工業株式会社 | 光半導体素子及び光半導体素子の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01158413A (ja) | 1987-09-29 | 1989-06-21 | Nippon Telegr & Teleph Corp <Ntt> | 光導波路装置 |
US6665105B2 (en) * | 2001-07-31 | 2003-12-16 | Agility Communications, Inc. | Tunable electro-absorption modulator |
US8179935B2 (en) * | 2008-04-01 | 2012-05-15 | Hewlett-Packard Development Company, L.P. | Tunable optical resonator |
US8861556B2 (en) | 2012-07-05 | 2014-10-14 | Jds Uniphase Corporation | Tunable Bragg grating and a tunable laser diode using same |
-
2016
- 2016-09-29 GB GB1616562.3A patent/GB2554460A/en not_active Withdrawn
-
2017
- 2017-09-29 CN CN201780060157.5A patent/CN109804513B/zh active Active
- 2017-09-29 US US16/328,654 patent/US10746922B2/en active Active
- 2017-09-29 DE DE112017004914.8T patent/DE112017004914B4/de active Active
- 2017-09-29 JP JP2019517031A patent/JP6696051B2/ja active Active
- 2017-09-29 GB GB1715826.2A patent/GB2556995B/en active Active
- 2017-09-29 WO PCT/GB2017/052931 patent/WO2018060729A1/en active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09211240A (ja) * | 1996-01-31 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 位相調整機能付光導波路及びその作製方法 |
JP2000206476A (ja) * | 1999-01-18 | 2000-07-28 | Kyocera Corp | 温度制御型光導波路 |
JP2004037524A (ja) * | 2002-06-28 | 2004-02-05 | Nec Corp | 熱光学位相シフタ及びその製造方法 |
US20040240818A1 (en) * | 2003-05-30 | 2004-12-02 | Lucent Technologies Inc. | High speed thermo-optic phase shifter and devices comprising same |
US20070286552A1 (en) * | 2004-05-18 | 2007-12-13 | Timo Aalto | Structure Comprising An Adiabatic Coupler For Adiabatic Coupling Of Light Between Two Optical Waveguides And Method For Manufacturing Such A Structure |
JP2006245344A (ja) * | 2005-03-03 | 2006-09-14 | Nec Corp | 波長可変レーザ |
WO2008047634A1 (fr) * | 2006-10-20 | 2008-04-24 | Nec Corporation | Déphaseur thermo-optique et procédé de production de celui-ci |
JP2014182185A (ja) * | 2013-03-18 | 2014-09-29 | Fujitsu Ltd | 光スイッチ及びその製造方法 |
US20140321488A1 (en) * | 2013-04-30 | 2014-10-30 | Futurewei Technologies, Inc. | Tunable Laser With High Thermal Wavelength Tuning Efficiency |
JP2015170750A (ja) * | 2014-03-07 | 2015-09-28 | 住友電気工業株式会社 | 光半導体素子及び光半導体素子の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
GB201616562D0 (en) | 2016-11-16 |
JP6696051B2 (ja) | 2020-05-20 |
WO2018060729A1 (en) | 2018-04-05 |
US20190369328A1 (en) | 2019-12-05 |
DE112017004914B4 (de) | 2023-05-04 |
DE112017004914T5 (de) | 2019-06-19 |
CN109804513B (zh) | 2021-03-30 |
GB2556995B (en) | 2020-04-22 |
GB2554460A (en) | 2018-04-04 |
GB2556995A (en) | 2018-06-13 |
CN109804513A (zh) | 2019-05-24 |
US10746922B2 (en) | 2020-08-18 |
GB201715826D0 (en) | 2017-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6696051B2 (ja) | 導波路構造体 | |
JP5717726B2 (ja) | 大出力パワー用の横結合を持つdfbレーザダイオード | |
US9882347B2 (en) | Quantum cascade laser array | |
JP2007273644A (ja) | 光半導体装置、レーザチップおよびレーザモジュール | |
US7177335B2 (en) | Semiconductor laser array with a lattice structure | |
JP2008053501A (ja) | 集積光デバイスおよびその製造方法 | |
Becker et al. | Widely tunable narrow-linewidth 1.5 μm light source based on a monolithically integrated quantum dot laser array | |
JP2019509642A (ja) | 可変レーザー及び可変レーザーの製造方法 | |
JP6669611B2 (ja) | ナノワイヤレーザ | |
JP6667325B2 (ja) | 半導体光素子 | |
Choi et al. | Eight-channel microdisk CW laser arrays vertically coupled to common output bus waveguides | |
JP2014192247A (ja) | 熱光学素子およびその作製方法 | |
WO2018147307A1 (ja) | 光導波路構造 | |
JP6782083B2 (ja) | 半導体光素子、およびその製造方法 | |
Bach et al. | Wavelength stabilized single-mode lasers by coupled micro-square resonators | |
US11695250B2 (en) | Thermally tunable laser and method for fabricating such laser | |
JP7007926B2 (ja) | 光半導体素子の製造方法 | |
Zhang et al. | Monolithically integrated 4-channel-selectable light sources fabricated by the SAG technology | |
JP7040604B2 (ja) | 半導体レーザ素子およびその製造方法 | |
JP2014135351A (ja) | 半導体光素子、集積型半導体光素子およびその製造方法 | |
JP4992451B2 (ja) | 半導体レーザ、および半導体レーザを作製する方法 | |
JP7012409B2 (ja) | 光導波路構造及びその製造方法 | |
Soares et al. | Development of a versatile InP-based photonic platform based on Butt-Joint integration | |
KR100248431B1 (ko) | 방열구조를 갖는 고출력 반도체 레이저 | |
Li et al. | Design and fabrication of 1.55 μm broad area slotted single-mode Fabry–Perot lasers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190328 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190328 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20190328 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20190822 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191015 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200115 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200323 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200422 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6696051 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |