Takata Kenta

タカタケンタ | Takata Kenta

Affiliation and department：

Research field (6)： Optical engineering and photonics , Information theory , Nanostructure physics , Nanostructure chemistry , Crystal engineering , Applied materials

Research keywords (11)： topological photonics , PT-symmetric optics , photonic crystal , 量子シミュレータ , ferromagnetic semiconductor , quantum computer , quantum mechanics , quantum optics , 強磁性半導体 , 情報基礎 , 量子情報処理プロジェクト

Research theme for competitive and other funds (3)：

2020 - 2025 Reconfigurable topological nanophotonics
2015 - 2020 Study on ultralow-latency optical computing by integrated nanophotonics
2012 - 2015 Quantum Simulation on NP-Complete Problems Utilizing Optical Feedback and Laser Phase Transition

Papers (28)：

Kenta Takata, Eiichi Kuramochi, Akihiko Shinya, Masaya Notomi. Improved design and experimental demonstration of ultrahigh-Q C6-symmetric H1 hexapole photonic crystal nanocavities. Optics Express. 2023. 31. 7. 11864-11884
Kenta Takata, Nathan Roberts, Akihiko Shinya, Masaya Notomi. Imaginary couplings in non-Hermitian coupled-mode theory: Effects on exceptional points of optical resonators. Physical Review A. 2022. 105. 1. 013523
Naotomo Takemura, Kenta Takata, Masato Takiguchi, Masaya Notomi. Emulating the local Kuramoto model with an injection-locked photonic crystal laser array. SCIENTIFIC REPORTS. 2021. 11. 1. 8587
Kenta Takata, Kengo Nozaki, Eiichi Kuramochi, Shinji Matsuo, Koji Takeda, Takuro Fujii, Shota Kita, Akihiko Shinya, Masaya Notomi. Observing exceptional point degeneracy of radiation with electrically pumped photonic crystal coupled-nanocavity lasers. Optica. 2021. 8. 2. 184-192
Shota Kita, Kengo Nozaki, Kenta Takata, Akihiko Shinya, Masaya Notomi. Ultrashort low-loss Ψ gates for linear optical logic on Si photonics platform. Communications Physics. 2020. 3. 33

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MISC (19)：

Kenta Takata, Eiichi Kuramochi, Akihiko Shinya, Masaya Notomi. Improved design and experimental demonstration of ultrahigh-Q C6-symmetric H1 hexapole photonic crystal nanocavities. (Preprint in arXiv). 2023
Kenta Takata, Kengo Nozaki, Eiichi Kuramochi, Shinji Matsuo, Koji Takeda, Takuro Fujii, Shota Kita, Akihiko Shinya, Masaya Notomi. Observation of Exceptional Point Degeneracy with Current-injected Photonic Crystal Lasers. NTT Technical Review. 2022. 20. 8. 35-41
Kenta Takata, Kengo Nozaki, Eiichi Kuramochi, Shinji Matsuo, Koji Takeda, Takuro Fujii, Shota Kita, Akihiko Shinya, Masaya Notomi. Optics Researches of Japan in 2021: Non-Hermitian Nanophotonics. Japanese Journal of Optics. 2022. 51. 6. 270
Kenta Takata, Kengo Nozaki, Eiichi Kuramochi, Shinji Matsuo, Koji Takeda, Takuro Fujii, Shota Kita, Akihiko Shinya, Masaya Notomi. Observation of Exceptional Point Degeneracy with Current-injected Photonic Crystal Lasers (Japanese). NTT Technical Journal. 2022. 34. 6. 20-24
Masaya Notomi, Kenta Takata. Non-Hermitian Optical Periodic Systems and Topological Photonics. Japanese Journal of Optics. 2020. 49. 11. 454-460

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Patents (3)：

Optical Topological Device
Photonic Crystal Optical Resonator and Method for Fabricating Same
Ising model quantum computation device and Ising model quantum computation method

Books (1)：

Principles and Methods of Quantum Information Technologies
Springer Japan 2016 ISBN:9784431557562

Lectures and oral presentations (58)：

Improving quality factors of hexapole point-defect photonic crystal nanocavities
(The 13th International Symposium on Photonic and Electromagnetic Crystal Structures (PECS-XIII) 2023)
Optical non-Hermitian skin effect in semiconductor photonic crystal slab
(The 70th JSAP Spring Meeting 2023 2023)
H1 hexapole photonic crystal nanocavities with theoretical and measured quality factors exceeding 10^8 and 10^6
(SPIE Photonics West OPTO 2023)
Hexapole H1 photonic crystal nanocavities with measured Q factors exceeding one million
(The 83rd JSAP Autumn Meeting 2022 2022)
Non-Hermitian nanophotonics with photonic crystal cavities
(Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR2022) 2022)

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Professional career (3)：

Ph.D (Information Science and Technology) (The University of Tokyo)
Master (Information Science and Technology) (The University of Tokyo)
Bachelor (Engineering) (The University of Tokyo)

Work history (10)：

2023/07 - 現在 NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation Photonic Nanostructure Research Group, Advanced Applied Physical Science Laboratory Senior Research Scientist
2022/09 - 2023/08 All NTT Workers Union Atsugi R&D Division Office (Concurrently) Chief
2020/07 - 2023/06 NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation Photonic Nanostructure Research Group, Advanced Applied Physical Science Laboratory Research Scientist
2015/04 - 2020/06 NTT Basic Research Laboratories Photonic Nanostructure Research Group, Optical Science Laboratory Researcher
2013/11 - 2015/03 RIKEN Student Intern

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Committee career (2)：

2023/05 - 2023/11 IEEE Photonics Society IEEE Photonics Conference (IPC) 2023 Topic Comittee
2022/02 - 2022/11 IEEE Photonics Society IEEE Photonics Conference (IPC) 2022 Topic Comittee

Awards (8)：

2022/03 - NTT Basic Research Laboratories Achievement Award, NTT-BRL Director's Awards of the fiscal year 2021 Research on Topological Photonics
2021/02 - American Physical Society Outstanding Referee
2019/03 - NTT Basic Research Laboratories Best Paper Award, NTT-BRL Director's Awards of the fiscal year 2018 Photonic Topological Insulating Phase Induced Solely by Gain and Loss
2017/09 - The Japanese Society of Applied Physics Young Scientist Presentation Award Controllable One-Dimensional Photonic Topological Phase with PT-symmetry Breaking
2015/03 - Graduate School of Information Science and Technology, the University of Tokyo Department Chairman Award of the year 2014 Quantum Theory and Experimental Demonstration of a Coherent Computing System with Optical Parametric Oscillators

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Association Membership(s) (4)：

American Physical Society , THE PHYSICAL SOCIETY OF JAPAN , THE JAPAN SOCIETY OF APPLIED PHYSICS , Optica (formerly the Optical Society of America)

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