JP6205826B2 - 半導体光素子の製造方法 - Google Patents
半導体光素子の製造方法 Download PDFInfo
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- JP6205826B2 JP6205826B2 JP2013096268A JP2013096268A JP6205826B2 JP 6205826 B2 JP6205826 B2 JP 6205826B2 JP 2013096268 A JP2013096268 A JP 2013096268A JP 2013096268 A JP2013096268 A JP 2013096268A JP 6205826 B2 JP6205826 B2 JP 6205826B2
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- 239000004065 semiconductor Substances 0.000 title claims description 207
- 230000003287 optical effect Effects 0.000 title claims description 75
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 239000002184 metal Substances 0.000 claims description 90
- 229910052751 metal Inorganic materials 0.000 claims description 90
- 239000011347 resin Substances 0.000 claims description 71
- 229920005989 resin Polymers 0.000 claims description 71
- 239000000758 substrate Substances 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 29
- 230000004888 barrier function Effects 0.000 claims description 28
- 239000010931 gold Substances 0.000 claims description 20
- 239000010936 titanium Substances 0.000 claims description 12
- 238000004544 sputter deposition Methods 0.000 claims description 11
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 64
- 230000001681 protective effect Effects 0.000 description 58
- 238000000034 method Methods 0.000 description 38
- 229920000642 polymer Polymers 0.000 description 33
- 239000012792 core layer Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 238000001312 dry etching Methods 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910004541 SiN Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
Images
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
- G02B6/13—Integrated optical circuits characterised by the manufacturing method
- G02B6/132—Integrated optical circuits characterised by the manufacturing method by deposition of thin films
-
- 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
- G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
- G02F1/025—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction 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
- G02F1/01—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
- 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
- G02F1/212—Mach-Zehnder type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Light Receiving Elements (AREA)
- Semiconductor Lasers (AREA)
Description
Claims (5)
- 光導波路のための半導体メサを有する基板生産物を準備する工程と、
前記半導体メサの側面及び前記半導体メサの上面を覆う第1絶縁膜を形成する工程と、
前記第1絶縁膜を形成した後に、前記基板生産物に樹脂を塗布して前記側面及び前記上面を埋め込む埋め込み樹脂領域を形成する工程と、
前記上面上の前記埋め込み樹脂領域をエッチングして、前記半導体メサの両側面に形成された第1絶縁膜の厚さを前記半導体メサの幅に加えた合計幅よりも大きい幅を有すると共に前記上面上の前記第1絶縁膜を露出させる第1開口を前記埋め込み樹脂領域に形成する工程と、
前記第1開口中の前記第1絶縁膜をエッチングにより除去して、前記半導体メサの前記上面を露出させる工程と、
ポジレジストを含むマスクを用いたリフトオフにより、前記第1開口に露出した前記半導体メサの前記上面上にオーミック金属膜を形成する工程と、
前記埋め込み樹脂領域の上面と前記第1開口の側壁面と前記オーミック金属膜とを覆う第2絶縁膜をスパッタ法によって形成する工程と、を有する、半導体光素子の製造方法。 - 前記埋め込み樹脂領域は、ベンゾシクロブテンからなり、
前記第2絶縁膜は、シリコンを含む絶縁性材料からなる、請求項1に記載の半導体光素子の製造方法。 - 前記第1絶縁膜を形成する工程では、化学気相成長法によって前記第1絶縁膜を成膜する、請求項1又は2に記載の半導体光素子の製造方法。
- 前記オーミック金属膜は、金を含む材料からなる、請求項1〜3のいずれか一項に記載の半導体光素子の製造方法。
- 前記オーミック金属膜上の前記第2絶縁膜をエッチングして、前記オーミック金属膜を露出させる第2開口を前記第2絶縁膜に形成する工程と、
チタンを含むバリア金属膜を前記第2開口に露出した前記オーミック金属膜上に形成する工程と、
ボンディングパッドを前記バリア金属膜上に形成する工程と、
を有する、請求項1〜4のいずれか一項に記載の半導体光素子の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013096268A JP6205826B2 (ja) | 2013-05-01 | 2013-05-01 | 半導体光素子の製造方法 |
US14/267,175 US9223088B2 (en) | 2013-05-01 | 2014-05-01 | Method for manufacturing semiconductor optical device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013096268A JP6205826B2 (ja) | 2013-05-01 | 2013-05-01 | 半導体光素子の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2014219442A JP2014219442A (ja) | 2014-11-20 |
JP6205826B2 true JP6205826B2 (ja) | 2017-10-04 |
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JP2013096268A Expired - Fee Related JP6205826B2 (ja) | 2013-05-01 | 2013-05-01 | 半導体光素子の製造方法 |
Country Status (2)
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US (1) | US9223088B2 (ja) |
JP (1) | JP6205826B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6705693B2 (ja) * | 2016-05-02 | 2020-06-03 | 日本電信電話株式会社 | 光半導体素子および半導体モノリシック型光回路 |
US10475669B2 (en) * | 2017-02-06 | 2019-11-12 | Sumitomo Electric Industries, Ltd. | Method for fabricating Mach-Zehnder modulator, Mach-Zehnder modulator |
JP6862983B2 (ja) * | 2017-03-23 | 2021-04-21 | 住友電気工業株式会社 | 半導体光素子及びその製造方法 |
GB2576652B (en) * | 2017-07-05 | 2021-12-22 | Rockley Photonics Ltd | Optoelectronic device |
US20220413213A1 (en) * | 2021-06-25 | 2022-12-29 | Intel Corporation | Silicon photonic integrated circuits on substrates with structured insulators |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2555197B2 (ja) * | 1989-09-09 | 1996-11-20 | 三菱電機株式会社 | 半導体レーザ装置 |
JPH08220358A (ja) | 1995-02-09 | 1996-08-30 | Hitachi Ltd | 導波路型光素子 |
AU2003301089A1 (en) * | 2002-12-20 | 2004-07-22 | Cree, Inc. | Electronic devices including semiconductor mesa structures and conductivity junctions and methods of forming said devices |
JP2008205025A (ja) * | 2007-02-16 | 2008-09-04 | Fujitsu Ltd | 光半導体素子及びその製造方法 |
JP5418887B2 (ja) * | 2009-05-27 | 2014-02-19 | 住友電気工業株式会社 | 半導体レーザ素子の製造方法及び半導体レーザ素子 |
JP5598297B2 (ja) * | 2010-12-08 | 2014-10-01 | 住友電気工業株式会社 | 半導体光変調素子及びその製造方法 |
JP2013044803A (ja) * | 2011-08-22 | 2013-03-04 | Sumitomo Electric Ind Ltd | 光半導体素子の製造方法 |
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2013
- 2013-05-01 JP JP2013096268A patent/JP6205826B2/ja not_active Expired - Fee Related
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2014
- 2014-05-01 US US14/267,175 patent/US9223088B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US20150277046A1 (en) | 2015-10-01 |
US9223088B2 (en) | 2015-12-29 |
JP2014219442A (ja) | 2014-11-20 |
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