JP2023532244A - 薄膜電気光学導波管変調器装置 - Google Patents
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- 239000010409 thin film Substances 0.000 title description 10
- 239000000758 substrate Substances 0.000 claims abstract description 61
- 239000013078 crystal Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 24
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
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- 238000005224 laser annealing Methods 0.000 claims description 6
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- 238000004549 pulsed laser deposition Methods 0.000 claims description 5
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- 238000004140 cleaning Methods 0.000 claims description 3
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- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims description 3
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- 239000010703 silicon Substances 0.000 description 14
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- 239000007789 gas Substances 0.000 description 12
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- 238000000231 atomic layer deposition Methods 0.000 description 8
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- 239000003989 dielectric material Substances 0.000 description 6
- 238000004151 rapid thermal annealing Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000012159 carrier gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- 238000010884 ion-beam technique Methods 0.000 description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- 229910003327 LiNbO3 Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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- 238000011161 development Methods 0.000 description 2
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- 239000013307 optical fiber Substances 0.000 description 2
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 230000005697 Pockels effect Effects 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
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- WYEMLYFITZORAB-UHFFFAOYSA-N boscalid Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1NC(=O)C1=CC=CN=C1Cl WYEMLYFITZORAB-UHFFFAOYSA-N 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
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- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
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- 239000005350 fused silica glass Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
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- 239000010453 quartz Substances 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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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
- G02F1/03—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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B1/00—Preparing the batches
- C03B1/02—Compacting the glass batches, e.g. pelletising
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B1/00—Single-crystal growth directly from the solid state
- C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/02—Epitaxial-layer growth
- C30B23/025—Epitaxial-layer growth characterised by the substrate
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/32—Titanates; Germanates; Molybdates; Tungstates
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- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Nonlinear Science (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (20)
- 電気光学導波管変調器装置であって、
基板上のシード層であって、当該シード層の表面と整列した第1の結晶面を有する、シード層、
前記シード層上で第1の方向に延在し、前記シード層の前記表面と整列した第2の結晶面を有する、電気光学チャネル、
前記第1の方向と直交する第2の方向における、前記基板上の前記電気光学チャネルの両側の絶縁体層、
前記電気光学チャネル及び絶縁体層の上の電極バリア層、並びに
前記第2の方向に延在する電極のうちの1つ又は複数
を備え、
前記シード層及び前記絶縁体層がそれぞれ、前記電気光学チャネルより低い屈折率を有する、電気光学導波管変調器装置。 - 前記シード層が、前記シード層の前記表面と整列した(001)結晶面を有する酸化マグネシウム(MgO)を含む、請求項1に記載の電気光学導波管変調器装置。
- 前記電気光学チャネルが、前記シード層の前記表面と整列した(001)結晶面を有するチタン酸バリウム(BaTiO3)及びチタン酸バリウムストロンチウム(BaO4SrTi,BSTO)から選択された材料を含む、請求項2に記載の電気光学導波管変調器装置。
- 前記シード層が、約0.25nmと約5nmとの間の厚さを有する、請求項1に記載の電気光学導波管変調器装置。
- 前記電気光学チャネルが、前記第2の方向における約4nmと約500nmとの間の幅、及び約100nmと約300nmとの間の厚さを有する、請求項1に記載の電気光学導波管変調器装置。
- 前記シード層がチタン酸ストロンチウム(SrTiO3)を含む、請求項1に記載の電気光学導波管変調器装置。
- 前記電気光学チャネルが、チタン酸ランタン(La2Ti2O7)を含む、請求項1に記載の電気光学導波管変調器装置。
- 結晶学的に整列した表面を有する基板を形成する方法であって、
イオンビーム支援堆積プロセス及びパルスレーザ堆積プロセスから選択された1つのプロセスを通して、基板上にシード層を堆積させることと、
堆積された前記シード層をアニーリングして、前記シード層の第1の結晶面を前記シード層の表面と整列させることと
を含む方法。 - 前記堆積されたシード層のアニーリングが、レーザアニールプロセスを含む、請求項8に記載の方法。
- 前記シード層が、前記シード層の前記表面と整列した(001)結晶面を有する酸化マグネシウム(MgO)を含む、請求項8に記載の方法。
- 前記シード層が、約0.25nmと約5nmとの間の厚さを有する、請求項8に記載の方法。
- 電気光学導波管変調器装置を形成する方法であって、
イオンビーム支援堆積プロセス及びパルスレーザ堆積プロセスから選択された1つのプロセスを通して、基板上にシード層を堆積させることと、
堆積された前記シード層をアニーリングして、前記シード層の第1の結晶面を前記シード層の表面と整列させることと、
前記シード層上に電気光学材料の層を堆積させることと、
前記電気光学材料の堆積された前記層をアニーリングして、前記電気光学材料の前記層の第2の結晶面を前記シード層の前記表面と整列させることと、
前記電気光学材料の前記層及び前記シード層をパターニングして、前記シード層上で第1の方向に延在する電気光学チャネルを形成することと
を含み、前記シード層が、前記電気光学チャネルより低い屈折率を有する材料を含む、方法。 - 前記堆積されたシード層のアニーリングが、レーザアニールプロセスを含み、
前記電気光学材料の前記堆積された層のアニーリングが、レーザアニールプロセスを含む、請求項12に記載の方法。 - 前記シード層を堆積させることと、前記堆積されたシード層をアニーリングすることとが繰り返される、請求項12に記載の方法。
- 前記電気光学材料の前記層を堆積させることと、前記電気光学材料の前記堆積された層をアニーリングすることとが繰り返される、請求項12に記載の方法。
- 前記基板上に前記シード層を堆積させる前に、前記基板を予洗浄することをさらに含む、請求項12に記載の方法。
- 前記第1の方向と直交する第2の方向における、前記基板上の前記電気光学チャネルの両側に絶縁体層を堆積させること、
前記電気光学チャネル及び前記絶縁体層の上の電極バリア層、及び
前記第2の方向に延在する電極のうちの1つ又は複数
をさらに含み、
前記シード層及び前記絶縁体層がそれぞれ、前記電気光学チャネルより低い屈折率を有する材料を含む、請求項12に記載の方法。 - 前記シード層が、前記シード層の前記表面と整列した(001)結晶面を有する酸化マグネシウム(MgO)を含み、
前記電気光学チャネルが、前記シード層の前記表面と整列した(001)結晶面を有するチタン酸バリウム(BaTiO3)及びチタン酸バリウムストロンチウム(BaO4SrTi,BSTO)から選択された材料を含む、請求項12に記載の方法。 - 前記シード層が、約0.25nmと約5nmとの間の厚さを有し、
前記電気光学チャネルが、約4nmと約500nmとの間の幅、及び約100nmと約300nmとの間の厚さを有する、請求項12に記載の方法。 - 前記シード層がチタン酸ストロンチウム(SrTiO3)を含み、前記電気光学チャネルがチタン酸ランタン(La2Ti2O7)を含む、請求項12に記載の方法。
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US202063045044P | 2020-06-27 | 2020-06-27 | |
US63/045,044 | 2020-06-27 | ||
PCT/US2021/030418 WO2021262321A1 (en) | 2020-06-27 | 2021-05-03 | Thin-film electro-optical waveguide modulator device |
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