I am a Ph. D. student at the University of Tokyo and now studying quantum optics!
I am also interested in classical optics and now looking for posdoc positions after graduation.
You can also visit other links and contact me here!
ORCiD https://orcid.org/0000-0003-4343-8566
Researchgate https://www.researchgate.net/profile/Hiroko-Tomoda
Optics, Quantum optics, Quantum information processing, Continuous-variables, Squeezed states, Single-photon states, Schrödinger’s cat states ...
Hiroko Tomoda, Akihiro Machinaga, Kan Takase, Jun Harada, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Fumihiro China, Masahiro Yabuno, Hirotaka Terai, Daichi Okuno, Shuntaro Takeda,
"Boosting the generation rate of squeezed single-photon states by generalized photon subtraction",
Phys. Rev. A 110, 033717 (2024), https://doi.org/10.1103/PhysRevA.110.033717 (https://doi.org/10.48550/arXiv.2404.19304)
Hiroko Tomoda, Takato Yoshida, Takahiro Kashiwazaki, Takeshi Umeki, Yutaro Enomoto, and Shuntaro Takeda,
"Programmable time-multiplexed squeezed light source,"
Opt. Express 31, 2161-2176 (2023), https://doi.org/10.1364/OE.476025 ( https://doi.org/10.48550/arXiv.2209.09458)
Hiroko Tomoda, Shoichi Yamada,
"Quantum mechanical calculations of synchro-curvature radiations: maser possibility",
Prog. Theor. Exp. Phys, 2023 063E01 (2023), https://doi.org/10.1093/ptep/ptad056 ( https://doi.org/10.48550/arXiv.2209.09458)
*Note: This study is related to my graduation research at Prof. Shoichi Yamada's group of Waseda University
April 2023 – present Ph.D. course
Department of Applied Physics, School of Engineering, the University of Tokyo
Supervisor: Assoc. Prof. Shuntaro Takeda (Quantum optics, Quantum information processing) >> Group web site
April 2021 – March 2023 Master degree of Engineering in Applied Physics
Department of Applied Physics, School of Engineering, The University of Tokyo
Supervisor: Assoc. Prof. Shuntaro Takeda (Quantum optics, Quantum information processing) >> Group web site
April 2017 – March 2021 Bachelor of Science in Physics
Department of Physics, School of Advanced Science and Engineering, Waseda University
Supervisor: Prof. Shoichi Yamada (High energy astrophysics) >> Group web site
Hiroko Tomoda , Shuntaro Takeda,
“Programmable generation of optical Gaussian and non-Gaussian quantum states,”
SPIE Quantum Communications and Quantum Imaging XXIII, San Diego, USA , August 2025
https://spie.org/optics-photonics/presentation/Programmable-generation-of-optical-Gaussian-and-non-Gaussian-quantum-states/13618-20
Hiroko Tomoda,
"Optical quantum state generation using waveguide optical parametric amplifiers",
The 115th gravitational wave research exchange meeting, Online, June 2023
https://gwwiki.icrr.u-tokyo.ac.jp/
Yu Nishizawa, Hiroko Tomoda, Akihiro Machinaga, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Masahiro Yabuno, Hirotaka Terai, Shuntaro Takeda,
"Demonstration of programmable temporal-waveform shaping for optical non-Gaussian quantum states",
CLEO/Europe-EQEC 2025, EB-13.2, Munich, Germany, June 2025
Hiroko Tomoda, Akihiro Machinaga, Kan Takase, Jun Harada, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Hirotaka Terai, Masahiro Yabuno, Fumihiro China, Daichi Okuno, Shuntaro Takeda
"Boosting generation rate of squeezed single photon states by generalized photon subtraction",
Conference on Lasers and Electro-Optics 2024, FF2H.1, Charlotte, USA, May 2024
Hiroko Tomoda, Takato Yoshida, Takahiro Kashiwazaki, Takeshi Umeki, Yutaro Enomoto, Shuntaro Takeda,
“Programmable Time-Multiplexed Squeezed Light Source”,
Frontiers in Optics + Laser Science 2022, FM1B.3, Rochester, USA, October 2022, https://doi.org/10.1364/FIO.2022.FM1B.3
Hiroko Tomoda, Takato Yoshida, Akihiro Machinaga, Kan Takase, Jun Harada, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Fumihiro China, Masahiro Yabuno, Hirotaka Terai, Yutaro Enomoto, Daichi Okuno, Shuntaro Takeda,
"Controllable generation of optical quantum states with two waveguide optical parametric amplifiers",
Sensing with Quantum Light 2024, Danube river, Passau, Germany – Vienna, Austria, October, 2024
Hiroko Tomoda, Akihiro Machinaga, Kan Takase, Jun Harada, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Fumihiro China, Masahiro Yabuno, Hirotaka Terai, Daichi Okuno, Shuntaro Takeda,
"High-rate generation of optical squeezed single-photon states by generalized photon subtraction",
Quantum Innovation 2024, sola city Conference Center, Tokyo, Japan, October, 2024
Akihiro Machinaga, Hiroko Tomoda, Kan Takase, Jun Harada, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Fumihiro China, Masahiro Yabuno, Hirotaka Terai, Daichi Okuno, Shuntaro Takeda,
"High-rate generation of optical Schrödinger’s cat states by parameter-variable generalized photon subtraction",
Czech-Japan workshop on quantum information, The University of Tokyo, Japan, May, 2024
Shintaro Ooka, Keitaro Anai, Hiroko Tomoda, Shigehito Miki, Masahiro Yabuno, Hirotaka Terai, Shuntaro Takeda
"Verification of Optical Circuit for Quantum Kernel Measurement toward Quantum-state Classification with Quantum Machine Learning"
The Physical Society of Japan 2025 SpringMeeting, 21aA1-3, Online, March 2025
大岡真太郎，穴井啓太郎，友田寛子，三木茂人，藪野正裕，寺井弘高，武田俊太郎，
「量子機械学習による量子状態識別へ向けた量子カーネル測定用光回路の検証」，
日本物理学会 2025年春季大会，21aA1-3，オンライン，2025.3
Yu Nishizawa, Hiroko Tomoda, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Masahiro Yabuno, Hirotaka Terai, Shuntaro Takeda,
"Demonstration of programmable temporal-waveform shaping for various optical non-Gaussian quantum states"
The Physical Society of Japan 2025 SpringMeeting, 21aA1-1, Online, March 2025
西澤優，友田寛子，柏崎貴大，梅木毅伺，三木茂人，藪野正裕，寺井弘高，武田俊太郎，
「複数種類の光の非ガウス型量子状態に対するプログラマブルな時間波形整形の実証」，
日本物理学会 2025年春季大会，21aA1-1，オンライン，2025.3
Hiroko Tomoda,
"Programmable control of temporal waveform of fragile optical quantum states",
FoPM Symposium (Internal event of the university), The University of Tokyo, Japan, February 2025
Yu Nishizawa, Hiroko Tomoda, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Masahiro Yabuno, Hirotaka Terai, Daichi Okuno, Shuntaro Takeda,
The Physical Society of Japan 2024 Annual Meeting, 17pN304-3, Hokkaido University, September 2024
西澤優，友田寛子，柏崎貴大，梅木毅伺，三木茂人，藪野正裕，寺井弘高，奥野大地，武田俊太郎，
「光の非ガウス型量子状態の時間波形制御に向けた伝令光変調システムの評価」，
日本物理学会 2024 年秋季大会，17pN304-3，北海道大学，2024.9
Akihiro Machinaga, Hiroko Tomoda, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Hirotaka Terai, Masahiro Yabuno, Fumihiro China, Daichi Okuno, Shuntaro Takeda,
“Generation and synchronization of optical pulses for a waveform-controllable non-Gaussian quantum light source”,
The Physical Society of Japan 2024 Spring Meeting, 18aA2-5, Online, March 2024
町永明海，友田寛子，柏崎貴大，梅木毅伺，三木茂人，寺井弘高，藪野正裕，知名史博，奥野大地，武田俊太郎，
「波形整形可能な非ガウス型量子光源へ向けた光パルスの生成と同期」
日本物理学会 2024年春季大会, 18aA2-5，オンライン，2024.3
Akihiro Machinaga, Hiroko Tomoda, Kan Takase, Jun Harada, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Hirotaka Terai, Masahiro Yabuno, Fumihiro China, Daichi Okuno, Shuntaro Takeda,
“High-rate generation of optical non-Gaussian quantum states by parameter-variable generalized photon subtraction”,
The Physical Society of Japan 2023 Annual Meeting, 18pC205-2, Tohoku University, Miyagi, Japan, September 2023
町永明海，友田寛子，高瀬寛，原田潤，柏崎貴大，梅木毅伺，三木茂人，寺井弘高，藪野正裕，知名史博，奥野大地，武田俊太郎，
「パラメータ可変な一般化光子引き去りによる光の非ガウス型量子状態の高レート生成」
日本物理学会 2023年秋季大会, 18pC205-2，東北大学，2023.9
Hiroko Tomoda, Takato Yoshida, Takahiro Kashiwazaki, Takeshi Umeki, Yutaro Enomoto, Shuntaro Takeda,
“Programmable Gaussian quantum light source based on a pump-modulated optical parametric amplifier”,
The Physical Society of Japan 2022 Annual Meeting, 17pE11-8, Online, March 2022
友田寛子，吉田昂永，柏崎貴大，梅木毅伺，榎本雄太郎，武田俊太郎，
「光パラメトリック増幅器のポンプ光変調によるプログラマブルなガウス型量子光源」，
日本物理学会 第 77 回年次大会, 17pE11-8，オンライン ，2022.3
Hiroko Tomoda, Yutaro Enomoto, Shuntaro Takeda,
“Proposal of a time-multiplexed programmable quantum light source”,
The Physical Society of Japan 2021 Autumn Meeting, 20pA2-5, Online, September 2021
友田寛子，榎本雄太郎，武田俊太郎，
「時間多重プログラマブル量子光源の提案」，
日本物理学会 2021 年秋季大会, 20pA2-5，オンライン，2021.9
Yu Nishizawa, Hiroko Tomoda, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Masahiro Yabuno, Hirotaka Terai, Daichi Okuno, Shuntaro Takeda,
QIH summer school 2024, Chiba, Japan, September 2024
西澤優，友田寛子，柏崎貴大，梅木毅伺，三木茂人，藪野正裕，寺井弘高，奥野大地，武田俊太郎，
「光の非ガウス型量子状態の時間波形制御に向けた伝令光変調システムの評価」，
QIHサマースクール2024，千葉，2024.9
Hiroko Tomoda, Akihiro Machinaga, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Fumihiro China, Masahiro Yabuno, Hirotaka Terai, Daichi Okuno, Shuntaro Takeda,
第35回量子情報関東Student Chapter研究会, The University of Tokyo, Japan, March, 2024
Dana Echeverría-Oviedo, Hiroko Tomoda, Felix Moor, Michael Stefszky, Benjamin Brecht, and Christine Silberhorn,
"Quantum pulse gate conversion efficiency",
DPG Spring Meeting 2024, Q 23.38, Universität Freiburg, Germany, March 2024
*Note: I was involved in this work during my internship in Prof. Christine Silberhorn's group of Paderborn University.
友田寛子，町永明海，高瀬寛，原田潤，柏崎貴大，梅木毅伺，三木茂人，寺井弘高，藪野正裕，知名史博，奥野大地，武田俊太郎，
「一般化光子引き去りによる光のシュレディンガーの猫状態生成レートの向上
第34回量子情報関東Student Chapter研究会，理化学研究所，2023.9
Hiroko Tomoda, Takato Yoshida, Jun Harada, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Hirotaka Terai, Yutaro Enomoto, Shuntaro Takeda,
"Programmable generation of optical quantum states with two waveguide optical parametric amplifiers",
FoPM Symposium (Internal event of the university), The University of Tokyo, Japan, February, 2023
Hiroko Tomoda, Takato Yoshida, Takahiro Kashiwazaki, Takeshi Umeki, Yutaro Enomoto, Shuntaro Takeda,
“Programmable squeezed light source based on a pump-modulated optical parametric amplifier”,
QEd summer school, Okinawa, Japan, September 2022
Hiroko Tomoda, "Generation of optical continuous-variable quantum states", Group meeting at Prof. Christine Silberhorn's group, November 2023
*Note: I introduced my research when I visited Prof. Christine Silberhorn's group of Paderborn University for my internship.
Hiroko Tomoda, "不思議だからこそ面白い「量子」の魅力を伝えたい！" (Only Japnese title),
Discovery talk at National Museum of Nature and Science, August 2023 >> Japanese document
*Note: This is final presentation of Science Communicator Training Practice Course SC1 at National Museum of Nature and Science.
I presented my research topic to the visitors of the musium, non-specialists.
October 2021 – present
Student of the Forefront Physics and Mathematics Program to Drive Transformation (FoPM) >> Web site
April 2024 - present
JSPS (Japan Society for the Promotion of Science) DC2 Research Fellowship
May 2021 - present
The Physical Society of Japan（日本物理学会）
August 2023 - present
Kahaku SCA : National Museum of Nature and Science, Science Communicator Association（科博SCA：国立科学博物館サイエンスコミュニケータ・アソシエーション >> Japanese web site）
July 2023 - August 2023
National Museum of Nature and Science, Science Communicator Training Practice Course SC1（国立科学博物館 サイエンスコミュニケータ養成実践講座 SC1 修了 >> Japanese web site）
September 2023 - December 2023
Research internship at Prof. Christine Silberhorn's group of Paderborn University
September 2024 - December 2024
National Museum of Nature and Science, Science Communicator Training Practice Course SC2（国立科学博物館 サイエンスコミュニケータ養成実践講座 SC2 修了 >> Japanese web site）
Junior high school / high school teacher class-1 license, Science / Math（中学校・高等学校教諭一種免許状 理科・数学）, March 2021
National Museum of Nature and Science, Science Communicator（国立科学博物館認定サイエンスコミュニケータ）, December 2024