JP7505353B2 - 光導波路素子、および光変調器 - Google Patents
光導波路素子、および光変調器 Download PDFInfo
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- JP7505353B2 JP7505353B2 JP2020164627A JP2020164627A JP7505353B2 JP 7505353 B2 JP7505353 B2 JP 7505353B2 JP 2020164627 A JP2020164627 A JP 2020164627A JP 2020164627 A JP2020164627 A JP 2020164627A JP 7505353 B2 JP7505353 B2 JP 7505353B2
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- 230000003287 optical effect Effects 0.000 title claims description 178
- 239000000758 substrate Substances 0.000 claims description 83
- 230000001902 propagating effect Effects 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 239000010955 niobium Substances 0.000 description 40
- 239000010410 layer Substances 0.000 description 39
- 238000010521 absorption reaction Methods 0.000 description 28
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 18
- 239000010931 gold Substances 0.000 description 17
- 239000010936 titanium Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 229910052758 niobium Inorganic materials 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000031700 light absorption Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000313 electron-beam-induced deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- HFLAMWCKUFHSAZ-UHFFFAOYSA-N niobium dioxide Inorganic materials O=[Nb]=O HFLAMWCKUFHSAZ-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Images
Classifications
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- 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
- G02F1/2255—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 controlled by a high-frequency electromagnetic component in an electric 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
- G02F1/03—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
- G02F1/0305—Constructional arrangements
- G02F1/0316—Electrodes
-
- 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
- G02F1/01—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)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Integrated Circuits (AREA)
Description
本発明の他の態様によると、前記下地層は、30nm以下の厚さである。
本発明の他の態様によると、前記下地層は、酸素原子を含む前記基板上に形成されるか、または前記基板上に形成された酸化物の膜の上に形成される。
本発明の他の態様によると、前記電極は、前記基板上において、前記光導波路を挟む位置に当該光導波路に沿って配された複数の電極で構成される。
本発明の他の態様は、光の変調を行う光変調素子である上記いずれかの光導波路素子と、光導波路素子を収容する筺体と、前記光導波路素子に光を入力する光ファイバと、前記光導波路素子が出力する光を前記筺体の外部へ導く光ファイバと、を備える光変調器である。
Claims (5)
- 光導波路が形成された基板と、
前記基板の上に形成された、前記光導波路を伝搬する光波を制御する電極と、
を有する光導波路素子であって、
前記光導波路は、前記基板上に延在する凸部により構成され、
前記電極は、前記基板との間にNb及び酸素原子で構成される下地層と、下地層の上に形成された上部層と、で構成され、
前記下地層は、酸素に対するNbの元素比率Nb/Oが1.0以上である、
光導波路素子。 - 前記下地層は、30nm以下の厚さである、
請求項1に記載の光導波路素子。 - 前記下地層は、酸素原子を含む前記基板上に形成されるか、または前記基板上に形成された酸化物の膜の上に形成される、
請求項1または2に記載の光導波路素子。 - 前記電極は、前記基板上において、前記光導波路を挟む位置に当該光導波路に沿って配された複数の電極で構成される、
請求項1ないし3のいずれか一項に記載の光導波路素子。 - 光の変調を行う光変調素子である請求項1ないし4のいずれか一項に記載の光導波路素子と、
前記光導波路素子を収容する筺体と、
前記光導波路素子に光を入力する光ファイバと、
前記光導波路素子が出力する光を前記筺体の外部へ導く光ファイバと、
を備える光変調器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020164627A JP7505353B2 (ja) | 2020-09-30 | 2020-09-30 | 光導波路素子、および光変調器 |
CN202180055009.0A CN116018547A (zh) | 2020-09-30 | 2021-09-28 | 光波导元件及光调制器 |
PCT/JP2021/035616 WO2022071309A1 (ja) | 2020-09-30 | 2021-09-28 | 光導波路素子、および光変調器 |
US18/246,358 US20230367170A1 (en) | 2020-09-30 | 2021-09-28 | Optical waveguide element and optical modulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020164627A JP7505353B2 (ja) | 2020-09-30 | 2020-09-30 | 光導波路素子、および光変調器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022056727A JP2022056727A (ja) | 2022-04-11 |
JP7505353B2 true JP7505353B2 (ja) | 2024-06-25 |
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JP2020164627A Active JP7505353B2 (ja) | 2020-09-30 | 2020-09-30 | 光導波路素子、および光変調器 |
Country Status (4)
Country | Link |
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US (1) | US20230367170A1 (ja) |
JP (1) | JP7505353B2 (ja) |
CN (1) | CN116018547A (ja) |
WO (1) | WO2022071309A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024075277A1 (ja) * | 2022-10-07 | 2024-04-11 | 住友大阪セメント株式会社 | 光導波路素子及びそれを用いた光変調器並びに光送信装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120099812A1 (en) | 2010-10-22 | 2012-04-26 | Jds Uniphase Corporation | Electro-optic device |
WO2019155679A1 (ja) | 2018-02-09 | 2019-08-15 | 三菱電機株式会社 | 光半導体素子およびその製造方法 |
WO2019224908A1 (ja) | 2018-05-22 | 2019-11-28 | 日本碍子株式会社 | 電気光学素子のための複合基板とその製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10104559A (ja) * | 1996-09-30 | 1998-04-24 | Kyocera Corp | 光導波路デバイス |
-
2020
- 2020-09-30 JP JP2020164627A patent/JP7505353B2/ja active Active
-
2021
- 2021-09-28 CN CN202180055009.0A patent/CN116018547A/zh active Pending
- 2021-09-28 US US18/246,358 patent/US20230367170A1/en active Pending
- 2021-09-28 WO PCT/JP2021/035616 patent/WO2022071309A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120099812A1 (en) | 2010-10-22 | 2012-04-26 | Jds Uniphase Corporation | Electro-optic device |
WO2019155679A1 (ja) | 2018-02-09 | 2019-08-15 | 三菱電機株式会社 | 光半導体素子およびその製造方法 |
WO2019224908A1 (ja) | 2018-05-22 | 2019-11-28 | 日本碍子株式会社 | 電気光学素子のための複合基板とその製造方法 |
Also Published As
Publication number | Publication date |
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JP2022056727A (ja) | 2022-04-11 |
CN116018547A (zh) | 2023-04-25 |
WO2022071309A1 (ja) | 2022-04-07 |
US20230367170A1 (en) | 2023-11-16 |
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