博士（工学）, 東京大学大学院

Quantum optics

Nanophotonics

Photonic crystal

Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Electric/electronic material engineering

Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Electronic devices and equipment

Nanotechnology/Materials, Optical engineering and photonics

Apr. 2012 - Mar. 2017
東京大学大学院, 工学系研究科, 電気系工学専攻

Apr. 2010 - Mar. 2012
Nara National College of Technology, Advanced Electronic and Information Engineering Course, 電子情報工学専攻

Apr. 2005 - Mar. 2010
Nara National College of Technology, Department of Electrical Engineering, 電気工学科

Apr. 2024 - Present
OPJ2024実行委員会, 日本光学会, Society

Apr. 2022 - Mar. 2024
応用物理学会 フォトニクス分科会 庶務幹事

Apr. 2021 - Mar. 2023
日本光学会光科学及び光技術調査委員会

2015
応用物理学会
プレート差込型積層方式を用いた三次元フォトニック結晶～提案と作製～
応用物理学会講演奨励賞, 田尻 武義

Growth and characterization of n-type Ga2O3 films on sapphire substrates by APMOVPE
Shun Ukita; Takeyoshi Tajiri; Kazuo Uchida
Journal of Crystal Growth, Elsevier BV, 650, 128007-128007, Jan. 2025
Scientific journal

Fabrication and characterization of an AlGaN light emitting diode with Al-doped ZnO as a current spreading tunnel junction layer
Shun Ukita; Takeyoshi Tajiri; Kazuo Uchida
AIP Advances, AIP Publishing, 13, 095324, 1-5, Sep. 2023, Peer-reviwed
Scientific journal, English

Fabrication and optical characterization of a GaN-based micro-disk laser undercut by laser-assisted photo-electrochemical etching
Takeyoshi Tajiri; Sho Sosumi; Kazuo Uchida
Lead, Extended Abstracts of the 2023 International Conference on Solid State Devices and Materials, H-6-02, 387-388, Sep. 2023, Peer-reviwed
International conference proceedings, English

Optical properties of chiral three-dimensional photonic crystals
Shun Takahashi; Takeyoshi Tajiri; Yasuhiko Arakawa; Satoshi Iwamoto; Willem L. Vos
Physical Review B, American Physical Society (APS), 107, 16, 21 Apr. 2023
Scientific journal

Mode analysis of GaN two-dimensional photonic crystal nanocavities undercut by photo-electrochemical etching
T. Tajiri; M. Yoshida; S. Sosumi; K. Shimoyoshi; K. Uchida
Lead, Japanese Journal of Applied Physics, IOP Publishing, 62, SG, SG1019-SG1019, 03 Mar. 2023, Peer-reviwed
Scientific journal, English

Fabrication and optical characterization of GaN micro-disk cavities undercut by laser-assisted photo-electrochemical etching
T. Tajiri; S. Sosumi; K. Shimoyoshi; K. Uchida
Lead, Japanese Journal of Applied Physics, IOP Publishing, 62, SC, SC1069-SC1069, 14 Feb. 2023, Peer-reviwed
Scientific journal, English

Polarization-independent enhancement of optical absorption in a GaAs quantum well embedded in an air-bridge bull’s-eye cavity with metal electrodes
Sangmin Ji; Takeyoshi Tajiri; Xiao-Fei Liu; Haruki Kiyama; Akira Oiwa; Julian Ritzmann; Arne Ludwig; Andreas D Wieck; Satoshi Iwamoto
Japanese Journal of Applied Physics, IOP Publishing, 62, SC, SC1018-SC1018, 10 Jan. 2023, Peer-reviwed
Scientific journal, English

CMOS-compatible integration of telecom band InAs/InP quantum-dot single-photon sources on a Si chip using transfer printing
Ryota Katsumi; Yasutomo Ota; Takeyoshi Tajiri; Satoshi Iwamoto; Kaur Ranbir; Johann Peter Reithmaier; Mohamed Benyoucef; Yasuhiko Arakawa
Applied Physics Express, IOP Publishing, 16, 1, 012004-012004, 28 Dec. 2022, Peer-reviwed
Scientific journal, English

Gallium nitride two-dimensional photonic crystal nanocavities undercut by a two-step photo-electrochemical etching using laser sources
M. Yoshida; S. Sosumi; K. Shimoyoshi; K. Uchida; T. Tajiri
Corresponding, 2022 International Microprocesses and Nanotechnology Conference Digest Papers, 10D-1, 4, 1-2, Nov. 2022, Peer-reviwed
International conference proceedings, English

Fabrication and optical characterization of GaN microdisk cavities undercut by laser-assisted photo-electrochemical etching
S. Sosumi; K. Shimoyoshi; K. Uchida; T. Tajiri
Extended Abstracts of the 2022 International Conference on Solid State Devices and Materials, 23-24, Sep. 2022, Peer-reviwed
International conference proceedings, English

Polarization-Independent Enhancement of Optical Absorption in a GaAs Quantum Well Embedded in an Air-bridge Bull’s-eye Cavity
Sangmin Ji; Takeyoshi Tajiri; Xiao-Fei Liu; Haruki Kiyama; Akira Oiwa; Julian Ritzmann; Arne Ludwig; Andreas D. Wieck; Satoshi Iwamoto
Extended Abstracts of the 2022 International Conference on Solid State Devices and Materials, 65-66, Sep. 2022, Peer-reviwed
International conference proceedings, English

Fabrication of three-dimensional photonic crystals for near-infrared light by micro-manipulation technique under optical microscope observation
Shun Takahashi; Erika Kimura; Takeshi Ishida; Takeyoshi Tajiri; Katsuyuki Watanabe; Kenichi Yamashita; Satoshi Iwamoto; Yasuhiko Arakawa
Applied Physics Express, 15, 1, Jan. 2022, Peer-reviwed
Scientific journal

Unidirectional output from a quantum-dot single-photon source hybrid integrated on silicon
Ryota Katsumi; Yasutomo Ota; Takeyoshi Tajiri; Masahiro Kakuda; Satoshi Iwamoto; Hidefumi Akiyama; Yasuhiko Arakawa
Optics Express, The Optical Society, 29, 23, 37117-37117, 08 Nov. 2021, Peer-reviwed
Scientific journal

Design of bull’s-eye optical cavity toward efficient quantum media conversion using gate-defined quantum dot
Sangmin Ji; Takeyoshi Tajiri; Haruki Kiyama; Akira Oiwa; Satoshi Iwamoto
Japanese Journal of Applied Physics, IOP Publishing, 60, 10, 102003-102003, 01 Oct. 2021, Peer-reviwed
Scientific journal

Fabrication and characterization of AlGaN p-n diode with n-ZnO as a tunnel junction layer
S.Ukita; J. Morimoto; M. Daikoku; S. Zheng; T. Tajiri; K. Uchida
Extended Abstracts of the 2021 International Conference on solid-state devices and materials, 293-294, Sep. 2021, Peer-reviwed
International conference proceedings, English

Fabrication of deeply undercut GaN micro-disks by selective photo-electrochemical etching of thick InGaN/GaN superlattice
K. Shimoyoshi; S.Ukita; K. Uchida; T. Tajiri
Corresponding, Extended Abstracts of the 2021 International Conference on solid-state devices and materials, 646-647, Sep. 2020, Peer-reviwed
International conference proceedings, English

Design of semiconductor Bull's-eye optical cavity for high-efficiency quantum media conversion using a gate-defined quantum dot
S. -M. Ji; T. Tajiri; H. Kiyama; A. Oiwa; S. Iwamoto
Extended Abstracts of the 2020 International Conference on Solid State Devices and Materials (SSDM), Sep. 2020, Peer-reviwed
International conference proceedings, English

Reflectivity of three-dimensional GaAs photonic band-gap crystals of finite thickness
Takeyoshi Tajiri; Shun Takahashi; Cornelis A. M. Harteveld; Yasuhiko Arakawa; Satoshi Iwamoto; Willem L. Vos
Physical Review B, American Physical Society (APS), 101, 23, 01 Jun. 2020, Peer-reviwed
Scientific journal

Efficient single photon sources transfer-printed on Si with unidirectional light output
R.Katsumi; Y.Ota; T.Tajiri; M.Kakuda; H.Akiyama; S.Iwamoto; Y.Arakawa
Proceedings of Conference on Lasers and Electro-Optics (CLEO) 2020, OSA, FF2D, 2, 1-2, May 2020, Peer-reviwed
International conference proceedings, English

Fabrication and Optical Characterization of Photonic Crystal Nanocavities with Electrodes for Gate-Defined Quantum Dots
T. Tajiri; K. Kuruma; Y. Sakai; H. Kiyama; A. Oiwa; J. Ritzmann; A. Ludwig; A. D. Wieck; Y. Ota; Y. Arakawa; S. Iwamoto
Japanese Journal of Applied Physics, IOP Publishing, 59, SGGI05, 1-6, Feb. 2020, Peer-reviwed
Scientific journal, English

In situ wavelength tuning of quantum-dot single-photon sources integrated on a CMOS-processed silicon waveguide
Ryota Katsumi; Yasutomo Ota; Alto Osada; Takeyoshi Tajiri; Takuto Yamaguchi; Masahiro Kakuda; Satoshi Iwamoto; Hidefumi Akiyama; Yasuhiko Arakawa
Applied Physics Letters, AIP Publishing, 116, 4, 041103-041103, 27 Jan. 2020, Peer-reviwed
Scientific journal

Reflectivity of Finite 3D GaAs Photonic Band Gap Crystals
Takeyoshi Tajiri, Shun Takahashi, Cornelis A.M. Harteveld, Yasuhiko Arakawa, Satoshi Iwamoto, Willem L. Vos
arXiv preprint, 2001.06226, 1-10, Jan. 2020
Scientific journal, English

In situ wavelength tuning of quantum-dot single-photon sources integrated on a CMOS-processed silicon waveguide
Ryota Katsumi, Yasutomo Ota, Alto Osada, Takeyoshi Tajiri, Takuto Yamaguchi, Masahiro Kakuda,Satoshi Iwamoto, Hidefumi Akiyama, and Yasuhiko Arakawa
Applied Physics Letters, 116, 041103, 1-5, Jan. 2020, Peer-reviwed
Scientific journal, English

Feasibility study of a coherent feedback squeezer
Shota Yokoyama, Daniel Peace, Warit Asavanant, Takeyoshi Tajiri, Ben Haylock, Moji Ghadimi, Mirko Lobino, Elanor H Huntington, Hidehiro Yonezawa
Physical Review A, 101, 033802, 1-16, Dec. 2019, Peer-reviwed
Scientific journal, English

Local tuning of transfer-printed quantum-dot single-photon sources on a CMOS silicon chip
Ryota Katsumi; Yasutomo Ota; Alto Osada; Takeyoshi Tajiri; Takuto Yamaguchi; Masahiro Kakuda; Satoshi Iwamoto; Hidefumi Akiyama; Yasuhiko Arakawa
MOC 2019 - 24th Microoptics Conference, Institute of Electrical and Electronics Engineers Inc., 308-309, 01 Nov. 2019
International conference proceedings, English

Fabrication and Optical Characterization of Photonic Crystal Nanocavities with Electrodes for Gate-Defined Quantum Dots
T. Tajiri; K. Kuruma; Y. Sakai; H. Kiyama; A. Oiwa; J. Ritzmann; A. Ludwig; A. D. Wieck; Y. Ota; Y. Arakawa; S. Iwamoto
Lead, Extended Abstracts of the 2019 International Conference on Solid State Devices and Materials (SSDM), 225-226, Sep. 2019, Peer-reviwed
International conference proceedings, English

Three-dimensional photonic crystal simultaneously integrating a nanocavity laser and waveguides
T. Tajiri; S. Takahashi; Y. Ota; K. Watanabe; S. Iwamoto; Y. Arakawa
Optica, 6, 3, 296-299, Mar. 2019, Peer-reviwed
Scientific journal, English

Quantum-dot single-photon source on a CMOS silicon photonic chip integrated using transfer transfer printing
R. Katsumi; Y. Ota; A. Osada; T. Yamaguchi; T. Tajiri; M. Kakuda; S. Iwamoto; H. Akiyama; Y. Arakawa
APL photonics, AIP Publishing, 4, 036105, 036105-036105, Mar. 2019, Peer-reviwed
Scientific journal, English

Fabrication of photonic crystal nanocavities with electrodes for a gate-defined quantum dot
Tajiri Takeyoshi; Kuruma Kazuhiro; Sakai Yuji; Kiyama Haruki; Oiwa Akira; Ritzmann Julian; Ludwig Arne; Wieck Andreas D.; Ota Yasutomo; Arakawa Yasuhiko; Iwamoto Satoshi
JSAP Annual Meetings Extended Abstracts, The Japan Society of Applied Physics, 2019.1, 959-959, 25 Feb. 2019
Japanese

Study of optical and electronic properties of a slab-type two-dimensional photonic crystal including a gate-controlled quantum dot
Sakai Yuji; Tajiri Takeyoshi; Kuruma Kazuhiro; Kiyama Haruki; Oiwa Akira; Nakajima Takashi; Tarucha Seigo; Iwamoto Satoshi; Arakawa Yasuhiko
Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, 74.1, 1325-1325, 2019
Japanese

Quantum-dot single-photon source on a CMOS-processed silicon waveguide
R. Katsumi; Y. Ota; A. Osada; T. Yamaguchi; T. Tajiri; M. Kakuda; S. Iwamoto; Y. Arakawa
Proceedings of Conference on Lasers and Electro-Optics (CLEO) 2019, FM1M, 2, 1-2, 2019, Peer-reviwed
International conference proceedings, English

world's highest Q-Factor: Fabrication of a large-area 3D photonic crystal for 3D photonic circuits
Takahashi Shun; Tajiri Takeyoshi; Watanabe Katsuyuki; Ota Yasutomo; Iwamoto Satoshi; Arakawa Yasuhiko
ELECTRONICS LETTERS, 54, 5, 257, 08 Mar. 2018, Peer-reviwed

High-Q nanocavities in semiconductor-based three-dimensional photonic crystals
S. Takahashi; T. Tajiri; K. Watanabe; Y. Ota; S. Iwamoto; Y. Arakawa
Electronics Letters, Institution of Engineering and Technology, 54, 5, 305-307, 08 Mar. 2018, Peer-reviwed
Scientific journal, English

Circularly polarized vacuum field in three-dimensional chiral photonic crystals probed by quantum dot emission
S. Takahashi; Y. Ota; T. Tajiri; J. Tatebayashi; S. Iwamoto; Y. Arakawa
PHYSICAL REVIEW B, 96, 19, Nov. 2017, Peer-reviwed
Scientific journal, English

Control of Light Emission in Quantum Dot-Photonic Crystal Coupled Systems
Iwamoto Satoshi; Ota Yasutomo; Takahashi Shun; Tajiri Takeyoshi; Kuruma Kazuhiro; Arakawa Yasuhiko
JSAP Annual Meetings Extended Abstracts, The Japan Society of Applied Physics, 2017.2, 141-141, 25 Aug. 2017
Japanese

Guiding of laser light from a nanocavity in a three-dimensional photonic crystal
Takeyoshi Tajiri; Shun Takahashi; Yasutomo Ota; Katsuyuki Watanabe; Satoshi Iwamoto; Yasuhiko Arakawa
Lead, Proceedings of Conference on Lasers and Electro-Optics (CLEO) 2017, OSA - The Optical Society, STh4N, 4, 1-2, 2017, Peer-reviwed
International conference proceedings, English

Semiconductor three-dimensional photonic crystals with novel layer-by-layer structures
Satoshi Iwamoto; Shun Takahashi; Takeyoshi Tajiri; Yasuhiko Arakawa
Photonics, MDPI AG, 3, 2, 01 Jun. 2016, Peer-reviwed
Scientific journal, English

Control of Quantum Dot Light Emission by Chiral Photonic Crystal Structures
Satoshi Iwamoto; Shun Takahashi; Takeyoshi Tajiri; Yasutomo Ota; Yasuhiko Arakawa
2016 PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM (PIERS), 2572-2572, 2016, Peer-reviwed
International conference proceedings, English

Demonstration of a three-dimensional photonic crystal nanocavity in a <110>-layered diamond structure
T. Tajiri; S. Takahashi; Y. Ota; J. Tatebayashi; S. Iwamoto; Y. Arakawa
APPLIED PHYSICS LETTERS, 107, 7, Aug. 2015, Peer-reviwed
Scientific journal, English

Plate-Insertion Stacking Method for Three-Dimensional Photonic Crystal Fabrication
T. Tajiri; S. Takahashi; J. Tatebayashi; S. Iwamoto; Y. Arakawa
Extended Abstracts of the 2015 International Conference on Solid State Devices and Materials (SSDM), 572-573, 2015, Peer-reviwed
International conference proceedings, English

Circularly Polarized Light Emission of Quantum Dots at the Band Edge of Three-Dimensional Chiral Photonic Crystals
Shun Takahashi; Takeyoshi Tajiri; Yasutomo Ota; Jun Tatebayashi; Satoshi Iwamoto; Yasuhiko Arakawa
Proceedings of Conference on Lasers and Electro-Optics (CLEO) 2015, FF1C, 2, 1-2, 2015, Peer-reviwed
International conference proceedings, English

Circular dichroism in a three-dimensional semiconductor chiral photonic crystal
S. Takahashi; T. Tajiri; Y. Ota; J. Tatebayashi; S. Iwamoto; Y. Arakawa
APPLIED PHYSICS LETTERS, 105, 5, Aug. 2014, Peer-reviwed
Scientific journal, English

Control of light polarization using photonic and phononic crystals
Satoshi Iwamoto; Shun Takahashi; Ingi Kim; Takeyoshi Tajiri; Yasutomo Ota; Yasuhiko Arakawa
Optics InfoBase Conference Papers, OSA - The Optical Society, 21 Jul. 2014, Peer-reviwed
International conference proceedings, English

Design of a three-dimensional photonic crystal nanocavity based on a <110>-layered diamond structure
Takeyoshi Tajiri; Shun Takahashi; Aniwat Tandaechanurat; Satoshi Iwamoto; Yasuhiko Arakawa
Japanese Journal of Applied Physics, IOP Publishing, 53, 4S, 04EG08-04EG08, 21 Feb. 2014, Peer-reviwed
Scientific journal, English

量子計算に向けたフォトニック結晶・量子ドット結合型光量子デバイス技術の進展
田尻 武義
Mar. 2022, 光学, 3, 51, 122-126, Japanese, Peer-reviwed

Transfer printing-based integration of a quantum dot-nanocavity coupled system on a fiber pigtailed Si waveguide
勝見亮太; 勝見亮太; 勝見亮太; 太田泰友; 田尻武義; 岩本敏; 岩本敏; 岩本敏; 秋山英文; REITHMAIER J. P.; BENYOUCEF M.; 荒川泰彦
2021, 応用物理学会春季学術講演会講演予稿集(CD-ROM), 68th, 202102248840796994

Fabrication of a quantum-dot single-photon source on a fiber pigtailed Si photonic chip using transfer printing
勝見亮太; 勝見亮太; 勝見亮太; 勝見亮太; 太田泰友; 太田泰友; 田尻武義; 田尻武義; 岩本敏; 岩本敏; 岩本敏; 秋山英文; REITHMAIER J. P.; BENYOUCEF M.; 荒川泰彦
2021, 応用物理学会秋季学術講演会講演予稿集(CD-ROM), 82nd, 202202255098281212

Integration of telecom quantum-dot single-photon sources on Si waveguides by transfer printing
勝見亮太; 勝見亮太; 勝見亮太; 太田泰友; 田尻武義; 岩本敏; 岩本敏; 岩本敏; 秋山英文; REITHMAIER J. P.; BENYOUCEF M.; 荒川泰彦
2020, 応用物理学会秋季学術講演会講演予稿集(CD-ROM), 81st, 202102247318301711

Fabrication and characterization of a quantum-dot single-photon source integrated on Si with unidirectional light output
勝見亮太; 勝見亮太; 勝見亮太; 太田泰友; 田尻武義; 角田雅弘; 岩本敏; 岩本敏; 岩本敏; 秋山英文; 荒川泰彦
2020, 応用物理学会春季学術講演会講演予稿集(CD-ROM), 67th, 202002272184214919

シリコン光回路上に集積された複数量子ドット光源の局所発光波長制御
勝見亮太; 勝見亮太; 太田泰友; 長田有登; 山口拓人; 田尻武義; 車一宏; 角田雅弘; 岩本敏; 岩本敏; 秋山英文; 荒川泰彦
2019, 応用物理学会春季学術講演会講演予稿集(CD-ROM), 66th, 201902256292753859

転写プリント法によるシリコン導波路上への量子ドット単一光子源の集積
勝見亮太; 勝見亮太; 太田泰友; 長田有登; 田尻武義; 車一宏; 山口拓人; 角田雅弘; 岩本敏; 岩本敏; 秋山英文; 荒川泰彦
2018, 応用物理学会秋季学術講演会講演予稿集(CD-ROM), 79th, 201802271741204013

Control of Circularly Polarized Electromagnetic Field using Chiral Photonic Crystals : Artificial Optical Activity and Control of QD Emission
岩本 敏; 高橋 駿; 田尻 武義; 太田 泰友; 荒川 泰彦
電子情報通信学会, 18 Jan. 2017, 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 116, 389, 1-3, Japanese, 0913-5685, 40021101371, AN10442705

三次元フォトニック結晶に形成されたカイラル導波路における円偏光自然放出の解析
田尻武義; LIN W.; 太田泰友; 岩本敏; 岩本敏; 荒川泰彦; 荒川泰彦
2017, 応用物理学会秋季学術講演会講演予稿集(CD-ROM), 78th, 2758-4704, 201702277371627175

転写プリント法を用いたフォトニックナノ構造の作製と評価
不破麻里亜; 田尻武義; 勝見亮太; 石田丈; 玉田晃均; 渡邉克之; 太田泰友; 岩本敏; 岩本敏; 荒川泰彦; 荒川泰彦
2017, 応用物理学会秋季学術講演会講演予稿集(CD-ROM), 78th, 2436-7613, 201702254576348014

レーザ援用光電気化学エッチングによるGaN系半導体マイクロ共振器の作製
田尻 武義
Invited oral presentation, Japanese, 第3回 超高速光エレクトロニクス研究会, Invited
22 Aug. 2024
22 Aug. 2024- 22 Aug. 2024

微小可視光源に向けたレーザ援用光電気化学エッチング技術の開発
田尻 武義
Nominated symposium, Japanese, 国際光デー記念シンポジウム, Invited
24 Jul. 2024
24 Jul. 2024- 24 Jul. 2024

Growth and characterization of n-type β-Ga2O3 films on sapphire substrates by APMOVPE
Shun Ukita; Takeyoshi Tajiri; Kazuo Uchida
Poster presentation, English, 21st International Conference on Metal Organic Vapor Phase Epitaxy (ICMOVPE XXI), Peer-reviewed
14 May 2024
12 May 2024- 17 May 2024

Gallium nitride micro-cavity fabrication using laser-assisted photo-electrochemical etching
Takeyoshi Tajiri
Invited oral presentation, English, the 19th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2024), Invited, Peer-reviewed
03 May 2024
02 May 2024- 05 May 2024

A GaN micro-disk laser fabricated by laser-assisted photo-electrochemical etching and its characterization
S. Sosumi; K. Uchida; T. Tajiri
Oral presentation, Japanese, 第84回応用物理学会秋季学術講演会
22 Sep. 2023
19 Sep. 2023- 23 Sep. 2023

Heavy Si doping of -Ga2O3 thin film on Sapphire substrate grown by APMOVPE
S. Ukita; T. Tajiri; K. Uchida
Poster presentation, Japanese, 第84回応用物理学会秋季学術講演会
21 Sep. 2023
19 Sep. 2023- 23 Sep. 2023

Mode analysis of GaN two-dimensional photonic crystal cavities undercut by photo-electrochemical etching
M. Yoshida; S. Sosumi; K. Uchida; T. Tajiri
Oral presentation, Japanese, 第84回応用物理学会秋季学術講演会
21 Sep. 2023
19 Sep. 2023- 23 Sep. 2023

Fabrication and optical characterization of a GaN-based micro-disk laser undercut by laser-assisted photo-electrochemical etching
Takeyoshi Tajiri; Sho Sosumi; Kazuo Uchida
Oral presentation, English, 2023 International Conference on Solid State Devices and Materials (SSDM), Peer-reviewed
08 Sep. 2023
05 Sep. 2023- 08 Sep. 2023

Polarization-Independent Enhancement of Optical Absorption in a GaAs Quantum Well Embedded in an Air-bridge Bull’s-eye Cavity
Sangmin Ji; Takeyoshi Tajiri; Xiao-Fei Liu; Haruki Kiyama; Akira Oiwa; Julian Ritzmann; Arne Ludwig; Andreas D. Wieck; Satoshi Iwamoto
Oral presentation, English, 2022 International Conference on Solid State Devices and Materials (SSDM), Peer-reviewed
29 Sep. 2022

Fabrication and optical characterization of GaN microdisk cavities undercut by laser-assisted photo-electrochemical etching
S. Sosumi; K. Shimoyoshi; K. Uchida; T. Tajiri
Oral presentation, English, 2022 International Conference on solid-state devices and materials (SSDM), Peer-reviewed
28 Sep. 2022

TEGaと酸素ガスを用いた大気圧MOVPEによるβ-Ga2O3薄膜の結晶成長
浮田 駿; 中村 海太; 田尻 武義; 内田 和男
Poster presentation, Japanese, 第83回応用物理学会 秋季学術講演会
23 Sep. 2022

Stacking of GaN slab-type photonic nanostructures by micro-manipulation method
S. Sosumi; M. Yoshida; K. Shimoyoshi; K. Uchida; T. Tajiri
Poster presentation, Japanese, 第83回 応用物理学会 秋季学術講演会
22 Sep. 2022

Optical Absorption Enhancement of a GaAs Quantum Well Embedded in an Air-bridge Bull’s-eye Optical Cavity
S. Ji; T. Tajiri; X. -F. Liu; H. Kiyama; A. Oiwa; J. Ritzmann; A. Ludwig; A. D. Wieck; S. Iwamoto
Oral presentation, Japanese, 第83回応用物理学会 秋季学術講演会
21 Sep. 2022

Fabrication of GaN two-dimensional photonic crystal cavities by two-step photo-electrochemical etching and their optical characterization
M. Yoshida; S. Sosumi; K. Shimoyoshi; K. Uchida; T. Tajiri
Oral presentation, Japanese, 第83回 応用物理学会 秋季学術講演会
21 Sep. 2022

ゲート制御量子ドットの光吸収増強に向けたブルズアイ光共振器の作製と評価
JI SANGMIN; 田尻 武義; Liu; Xiao-Fei; 木山 治樹; 大岩 顕; 岩本 敏
Oral presentation, Japanese, 第69回応用物理学会春季学術講演会
24 Mar. 2022

トンネル接合形成を目的としたZnO付加によるAlGaN LEDの発光特性への影響
浮田 駿; SUN ZHENG; 田尻 武義; 内田 和男
Poster presentation, Japanese, 第69回応用物理学会春季学術講演会
24 Mar. 2022

レーザアシスト光電気化学エッチングによる GaNマイクロディスク共振器の作製と光学評価
下吉 賢信; 浮田 駿; 内田 和男; 田尻 武義
Oral presentation, Japanese, 第82回応用物理学会秋季学術講演会
13 Sep. 2021

Fabrication and characterization of AlGaN p-n diode with n-ZnO as a tunnel junction layer
S.Ukita; J. Morimoto; M. Daikoku; S. Zheng; T. Tajiri; K. Uchida
Oral presentation, English, the 2021 International Conference on solid-state devices and materials
Sep. 2021

Fabrication of deeply undercut GaN micro-disks by selective photo-electrochemical etching of thick InGaN/GaN superlattice
K. Shimoyoshi; S.Ukita; K. Uchida; T. Tajiri
Oral presentation, English, the 2021 International Conference on solid-state devices and materials
Sep. 2021

Fabrication of GaN microdisks by photoelectrochemical etching of a thick InGaN sacrificial layer
K.Shimoyoshi; S.Ukita; K.Uchida; T.Tajiri
Oral presentation, Japanese, The 68th JSAP Spring meeting
17 Mar. 2021

Band structure analysis of p-AlGaN/n-ZnO tunnel junction for efficient hole injection
S. Ukita; T. Tajiri; K. Uchida
Poster presentation, Japanese, The 68th JSAP Spring meeting
16 Mar. 2021

Characterization of electroluminescence spectra of AlGaN pn diodes conjugated with n-ZnO layers on the p-type contact layers
S. Zheng; J. Morimoto; K. Daikoku; T. Tajiri; K. Uchida
Poster presentation, Japanese, The 68th JSAP Spring meeting
16 Mar. 2021

紫波フォトニックバンドギャップを有する窒化ガリウム二次元フォトニック結晶スラブの設計
下吉 賢信; 浮田 駿; 内田 和男; 田尻 武義
Oral presentation, Japanese, 第81回応用物理学会秋季学術講演会
11 Sep. 2020

p型コンタクト層にn-ZnOトンネル層を有するAlGaN系pnダイオードの作製及び電気的評価
SUN ZHENG; 森元 諄; 大黒 将也; 田尻 武義; 内田 和男
Oral presentation, Japanese, 第81回応用物理学会秋季学術講演会
10 Sep. 2020

Design of semiconductor Bull’s-eye optical cavity for high-efficiency quantum media conversion using a gate-defined quantum dot
S. -M. Ji; T. Tajiri; H. Kiyama; A. Oiwa; S. Iwamoto
Oral presentation, English, 2020 International Conference on Solid State Devices and Materials (SSDM)
Sep. 2020

転写プリント法による通信波長帯量子ドット単一光子源のSi導波路上集積
勝見 亮太; 太田 泰友; 田尻 武義; 岩本 敏; 秋山 英文; Reithmaier J. P; Benyoucef M; 荒川 泰彦
Oral presentation, Japanese, 第81回応用物理学会秋季学術講演会
Sep. 2020

Investigation of Bull’s-eye cavity with second-order grating for enhancing the optical absorption of gate defined quantum dot
池尙玟; 田尻武義; 大岩顕; 木山治樹; 岩本敏
Oral presentation, Japanese, 第81回応用物理学会秋季学術講演会
Sep. 2020

Efficient single photon sources transfer-printed on Si with unidirectional light output
Ryota Katsumi; Yasutomo Ota; Takeyoshi Tajiri; Masahiro Kakuda; Satoshi Iwamoto; Hidefumi Akiyama; Yasuhiko Arakawa
Oral presentation, English, Conference on Lasers and Electro-Optics (CLEO) 2020
May 2020

ゲート制御量子ドットを用いた高効率量子メディア変換のための半導体ブルズアイ型共振器構造の設計
JI SANGMIN; 田尻 武義; 大岩 顕; 木山 治樹; 岩本 敏
Oral presentation, Japanese, 第67回応用物理学会春季学術講演会
Mar. 2020

一方向出射が可能なSi上集積量子ドット単一光子源の作製と評価
勝見 亮太; 太田 泰友; 田尻 武義; 角田 雅弘; 岩本 敏; 秋山 英文; 荒川 泰彦
Oral presentation, Japanese, 第67回応用物理学会春季学術講演会
Mar. 2020

Local tuning of transfer-printed quantum-dot single-photon sources on a CMOS silicon chip
Ryota Katsumi; Yasutomo Ota; Alto Osada; Takeyoshi Tajiri; Takuto Yamaguchi; Masahiro Kakuda; Satoshi Iwamoto; Hidefumi Akiyama; Yasuhiko Arakawa
Oral presentation, English, 24th Microoptics Conference
Nov. 2019

Fabrication and Optical Characterization of PhotonicCrystal Nanocavities with Electrodes for Gate-DefinedQuantum Dots
T. Tajiri; K. Kuruma; Y. Sakai; H. Kiyama; A. Oiwa; J. Ritzmann; A. Ludwig; A. D. Wieck; Y. Ota; Y. Arakawa; S. Iwamoto
Oral presentation, English, 2019 International Conference on Solid State Devices and Materials (SSDM), International conference
Sep. 2019

シリコン光回路上に集積された複数量子ドット光源の局所発光波長制御
勝見亮太; 太田泰友; 長田有登; 山口拓人; 田尻武義; 車一宏; 角田雅弘; 岩本敏; 秋山英文; 荒川泰彦
Oral presentation, Japanese, 第66回応用物理学会春季学術講演会, Domestic conference
Mar. 2019

ゲート制御量子ドット形成用電極を有するフォトニック結晶ナノ共振器の作製
田尻武義; 車一宏; 酒井裕司; 木山治樹; 大岩顕; Ritzmann Julian; Ludwig Arne、Wieck Andreas D; 太田奏友; 荒川泰彦; 岩本敏
第66回応用物理学会春季学術講演会
Mar. 2019

ゲート制御量子ドットを含む2次元スラブ型フォトニック結晶の光学・電気的特性の研究
酒井裕司; 田尻武義; 車一宏; 木山治樹; 大岩顕; 中島峻; 樽茶清悟; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 日本物理学会第74回年次大会, Domestic conference
Mar. 2019

Tailored Disorders in Photonic Crystals for Laser and Cavity QED Applications
S. Iwamoto; Y. Ota; K. Kuruma; T. Tajiri; S. Takahashi; R. Katsumi; M. Kakuda; K. Watanabe; Y. Arakawa
Invited oral presentation, English, 2018 Materials Research Society (MRS) Fall Meeting, Invited, International conference
Nov. 2018

Optical Properties of Direct Versus Inverse 3D Chiral Photonic Crystals
S. Takahashi; W. Vos; T. Tajiri; S. Iwamoto; Y. Arakawa
Poster presentation, English, 2018 Materials Research Society (MRS) Fall Meeting, International conference
Nov. 2018

Reflectivity of finite 3D GaAs woodpile photonic band gap crystals
T. Tajiri; W. L. Vos; S. Takahashi; C. A. M. Harteveld; D. A. Grishina; S. Iwamoto; Y. Arakawa
Oral presentation, English, 2018 Materials Research Society (MRS) Fall meeting & Exhibit, International conference
Nov. 2018

転写プリント法によるシリコン導波路上への量子ドット単一光子源の集積
勝見亮太; 太田泰友; 長田有登; 田尻武義; 車一宏; 山口拓人; 角田雅弘; 岩本敏; 秋山英文; 荒川泰彦
Oral presentation, Japanese, 第79回応用物理学会秋季学術講演会, Domestic conference
Sep. 2018

Integration of a nano-laser and waveguides in a 3D photonic crystal
T. Tajiri; S. Takahashi; S. Ota; K. Watanabe; S. Iwamoto; Y. Arakawa
Nano-photonics Special Lecture & Young Researchers’ Meeting, Invited
May 2018

Three-dimensional photonic crystal nanocavity fabricated by a micro-manipulation technique under optical microscope observation
T. Ishida; S. Takahashi; T. Tajiri; K. Watanabe; Y. Ota; S. Iwamoto; Y. Arakawa
Oral presentation, English, International Conference on Nano-photonics and Nano-optoelectronics 2018, International conference
Apr. 2018

光学顕微鏡マイクロマニピュレーションにより作製した三次元フォトニック結晶ナノ共振器の光学特性評価
石田丈; 高橋駿; 田尻武義; 渡邉克之; 太田泰友; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第65回応用物理学会春季学術講演会, Domestic conference
Mar. 2018

半導体三次元カイラルフォトニック結晶による円偏光発光制御
高橋駿; 太田泰友; 田尻武義; 館林潤; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 電子情報通信学会技術研究報告, Domestic conference
Jan. 2018

転写プリント法を用いたフォトニックナノ構造の作製と評価
不破麻里亜; 田尻武義; 勝見亮太; 石田丈; 玉田晃均; 渡邉克之; 太田泰友; 岩本敏; 荒川泰彦
第78回応用物理学会秋季学術講演会
Sep. 2017

三次元フォトニック結晶に形成されたカイラル導波路における円偏光自然放出の解析
田尻武義; 林文博; 太田泰友; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第78回応用物理学会秋季学術講演会, Domestic conference
Sep. 2017

Guiding of laser light from a nanocavity in a three-dimensional photonic crystal
T. Tajiri; S. Takahashi; Y. Ota; K. Watanabe; S. Iwamoto; Y. Arakawa
Oral presentation, English, Conference on Lasers and Electro-Optics (CLEO) 2017, International conference
May 2017

光学顕微鏡マイクロマニピュレータによる三次元フォトニック結晶の作製
石田丈; 高橋駿; 田尻武義; 太田泰友; 館林潤; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第64回応用物理学会春季学術講演会, Domestic conference
Mar. 2017

ナノ共振器レーザと導波路を集積した三次元フォトニック結晶光回路
田尻武義; 高橋駿; 太田泰友; 渡辺克之; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第64回応用物理学会春季学術講演会, Domestic conference
Mar. 2017

プレート差込型積層方式による大面積プレート三次元フォトニック結晶ナノ共振器の作製と評価
田尻武義; 高橋駿; 太田泰友; 舘林潤; 渡辺克之; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第63回応用物理学会秋季学術講演会, Domestic conference
Sep. 2016

発光源と光導波路が集積された三次元フォトニック結晶の作製と光学特性評価
田尻武義; 高橋駿; 太田泰友; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第77回応用物理学会秋季学術講演会, Domestic conference
Sep. 2016

Large Complete Photonic Band Gap between High Order Bands in a Three-Dimensional Photonic Crystal with Space Group No. 230
T. Tajiri; S. Takahashi; S. Iwamoto; Y. Arakawa
Poster presentation, English, The 12th International Symposium on Photonic and Electromagnetic Crystal Structures (PECS-XII), International conference
Jul. 2016

Cavity in a silicon inverse woodpile 3D photonic band gap crystal
D. A. Grishina; T. Tajiri; J. Hofste; O. S. Ojampati; E. Yuce; J. Perez-Vizcaino; S. Iwamoto; W. Vos
Poster presentation, English, The 12th International Symposium on Photonic and Electromagnetic Crystal Structures (PECS-XII), International conference
Jul. 2016

半導体三次元カイラルフォトニック結晶における共振器モードの観測
高橋駿; 太田泰友; 田尻武義; 館林潤; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第63回応用物理学会秋春学術講演会, Domestic conference
Mar. 2016

半導体三次元カイラルフォトニック結晶における量子ドットの円偏光自然放出レートの制御
高橋駿; 太田泰友; 田尻武義; 館林潤; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第76 回応用物理学会秋季学術講演会, Domestic conference
Sep. 2015

高次バンドに広帯域完全フォトニックバンドギャップを有する三次元フォトニック結晶構造：提案と設計
田尻武義; 高橋駿; 太田泰友; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第 76回応用物理学会秋季学術講演会, Domestic conference
Sep. 2015

Plate-Insertion Stacking Method for Three-Dimensional Photonic Crystal Fabrication
T. Tajiri; S. Takahashi; J. Tatebayashi; S. Iwamoto; Y. Arakawa
Oral presentation, English, 2015 International Conference on Solid State Devices and Materials (SSDM), International conference
Sep. 2015

Experimental Demonstration of High-Q Three-Dimensional Photonic Crystal Nanocavity in a <110>-Layered Diamond Structure
T. Tajiri; S. Takahashi; Y. Ota; J. Tatebayashi; S. Iwamoto; Y. Arakawa
Public symposium, English, International Nano-Optoelectronics Workshop (iNOW), International conference
Aug. 2015

Controlled Radiative Life Time of Circularly Polarized Emission from Quantum Dots by Three-Dimensional Chiral Photonic Crystals
S. Takahashi; Y. Ota; T. Tajiri; J. Tatebayashi; S. Iwamoto; Y. Arakawa
Poster presentation, English, the 17th International Conference on Modulated Semiconductor Structures (MSS-17), International conference
Jul. 2015

Circularly Polarized Light Emission of Quantum Dots at the Band Edge of Three-Dimensional Chiral Photonic Crystals
S. Takahashi; T. Tajiri; Y. Ota; J. Tatebayashi; S. Iwamoto; Y. Arakawa
Oral presentation, English, Conference on Lasers and Electro-Optics (CLEO) 2015, International conference
May 2015

Q~60,000 を有する三次元フォトニック結晶ナノ共振器
高橋駿; 田尻武義; 太田泰友; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第62 回応用物理学会春季学術講演会, Domestic conference
Mar. 2015

半導体三次元カイラルフォトニック結晶の偏光バンド端における量子ドットからの高純度円偏光の発光
高橋駿; 田尻武義; 太田泰友; 館林潤; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第62回応用物理学会春季学術講演会, Domestic conference
Mar. 2015

プレート差込型積層方式を用いた三次元フォトニック結晶～提案と作製～
田尻武義; 高橋駿; 太田泰友; 岩本敏; 荒川泰彦
第62回応用物理学会春季学術講演会
Mar. 2015

半導体三次元キラルフォトニック結晶における量子ドットからの円偏光発光
高橋駿; 田尻武義; 太田泰友; 館林潤; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第75回応用物理学会秋季学術講演会, Domestic conference
Sep. 2014

<110> 層状ダイヤモンド構造三次元フォトニック結晶ナノ共振器のQ値に対する積層誤差の影響:数値解析による評価
田尻武義; 高橋駿; 太田泰友; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第75回応用物理学会秋季学術講演会, Domestic conference
Sep. 2014

High-Q Three-Dimensional Photonic Crystal Nanocavity with a <110>-Layered Diamond Structure
T. Tajiri; S. Takahashi; Y. Ota; J. Tatebayashi; S. Iwamoto; Y. Arakawa
Poster presentation, English, The 11th International Symposium on Photonic and Electromagnetic Crystal Structures (PECS-XI), International conference
May 2014

<110> 層状ダイヤモンド構造三次元フォトニック結晶ナノ共振器の作製と共振器モードの評価
田尻武義; 高橋駿; 太田泰友; 舘林潤; 岩本敏; 荒川泰彦
Oral presentation, Japanese, 第 61 回応用物理学会春季学術講演会, Domestic conference
Mar. 2014

大面積三次元フォトニック結晶ナノ共振器の設計と作製
田尻武義; 高橋駿; A. Tandaechanurat; 太田泰友; 岩本敏; 荒川康彦
Oral presentation, Japanese, 第 74 回応用物理学会秋季学術講演会, Domestic conference
Sep. 2013

Design of a three-dimensional photonic crystal nanocavity based on a <110>-layered diamond structure
T. Tajiri; S. Takahashi; A. Tandaechanurat; S. Iwamoto; Y. Arakawa
Oral presentation, English, 2013 International Conference on Solid State Devices and Materials, International conference
Sep. 2013

<110> 層状ダイヤモンド構造を有する三次元フォトニック結晶ナノ共振器の検討
田尻武義; 高橋駿; A. Tandaechanurat; 岩本敏; 荒川康彦
Oral presentation, Japanese, 第 60 回応用物理学会春季学術講演会, Domestic conference
Mar. 2013

FDTD 法を用いた希土類添加型一次元フォトニック結晶光学特性解析
田尻武義; 松田澄人; 玉木隆幸; 小野俊介
Oral presentation, Japanese, Optics & Photonics Japan 2010 (OPJ 2010), Domestic conference
Nov. 2010

FDTD Analysis on Optical Characteristics of Rare-Earth-Doped Photonic Crystal Waveguide
T. Tajiri; S. Matsuda; T. Tamaki; S. Ono
Poster presentation, English, 2nd Global COE Student Conference on Innovative Electronic Topics (SCIENT2010), International conference
Oct. 2010

Fundamental Electronics (Information and Communication Engineering Program)
Oct. 2025 - Mar. 2026
The University of Electro-Communications

Fundamental Electronics (Electronics and Information Engineering Program)
Oct. 2025 - Mar. 2026
The University of Electro-Communications

Solid State Lighting
Apr. 2025 - Aug. 2025
The University of Electro-Communications

基礎科学実験A
Apr. 2024 - Aug. 2024

基礎科学実験A
Apr. 2023 - Aug. 2023

基礎科学実験A
Apr. 2022 - Aug. 2022

基礎科学実験A
Apr. 2021 - Aug. 2021

基礎科学実験A
Apr. 2020 - Aug. 2020

総合コミュニケーション科学
Apr. 2019 - Aug. 2019

2012 - Present
応用物理学会

レーザ援用光電気化学エッチング法による可視帯光回路光源の開発
田尻 武義
日本学術振興会, 科学研究費助成事業, 電気通信大学, 若手研究, 24K17318
Apr. 2024 - Mar. 2027

Improvement of III-nitride photonic crystal slabs and applications to integrated photonic circuits
田尻 武義
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists, The University of Electro-Communications, Grant-in-Aid for Early-Career Scientists, 20K14788
Apr. 2020 - Mar. 2024

能動素子と受動素子を同時集積した窒化物半導体フォトニック結晶
田尻 武義
日本学術振興会(JSPS), 科学研究費助成事業(KAKEN) 研究活動スタート支援, Principal investigator
Oct. 2019 - Jan. 2021

薄いフォトニック結晶が光を強力に制御－緻密な構造制御が示す新たな光学材料の可能性
OPTRONICS, OPTRONICS 通巻464号, Paper
Aug. 2020

Rethinking photonic crystals: ‘even thin is functional’
optics.org, https://optics.org/news/11/5/45
Jun. 2020

Photonic crystals: 'even thin is functional'
Nanowerk, https://phys.org/news/2020-06-photonic-crystals-thin-functional.html, Internet
May 2020

Fotonische kristallen: "Zelfs dun functioneel"
engineersonline.nl, https://linkmagazine.nl/fotonische-kristallen-zelfs-dun-functioneel/?v=d3dcf429c679, Internet

New fabrication technique for quantum dots on silicon CMOS chips
The paper "Quantum-dot single-photon source on a CMOS silicon photonic chip integrated using transfer printing" was picked up in AIP Scilight.
10.1063/1.5097145
Mar. 2019 - Mar. 2019

Fabrication of a large-area 3D photonic crystal for 3D photonic circuits - world’s highest Q-Factor
The paper "High-Q nanocavities in semiconductor-based three-dimensional photonic crystals" was closed up as an interesting topic.
10.1049/el.2018.0513
Mar. 2018 - Mar. 2018