N. Maeda, J. Huang, X. Zhu, M. Bescond, N. Nagai, K. Kuroyama, K. Hirakawa, “Impact of Momentum Relaxation Process on Miniband Transport in Semiconductor Superlattices” Phys. Status Solidi A 223, e202500924 (2026). [Link]
K. Kuroyama, M. Bamba, J. Kwoen, Y. Arakawa, K. Hirakawa, “Ultrastrong coupling between magnetoplasmons and cyclotron harmonics in terahertz resonator-quantum point contact integrated systems” Commun. Phys. (2026). [Link]
J. Huang, J. Kwoen, Y. Arakawa, K. Hirakawa, K. Kuroyama, “Chiral terahertz photocurrent in quantum point contact–split ring resonator coupled systems in the quantum Hall regime” Phys. Rev. B 111, L121407 (2025). [Link]
International Conference
J. Huang, J. Kwoen, Y. Arakawa, K. Hirakawa, K. Kuroyama, “Electrical Detection of Ultrastrong Light-Matter Coupling with a Split Ring Resonator Dimer”, International Conference on Hybrid Quantum Systems and Nanotechnologies 2025 (HQSN2025), Matsue, Japan, Oct. 2025.
N. Maeda, J. Huang, X. Zhu, M. Bescond, N. Nagai, K. Kuroyama, K. Hirakawa, “Influence of Well/Barrier Widths on Momentum Relaxation Mechanisms in Strongly Coupled Semiconductor Superlattices” International Conference on Hybrid Quantum Systems and Nanotechnologies 2025 (HQSN2025), Matsue, Japan, P-25, Oct. 2025.
(Invited) K. Kuroyama, “Coherent light-matter coupling in semiconductor nanostructure-terahertz optical resonator hybrid systems”, The 23rd International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON23), Blacksburg, Virginia, United States, July, 2025
N. Maeda, X. Zhu, M. Bescond, N. Nagai, K. Kuroyama, K. Hirakawa, “Impact of Momentum Relaxation Processes in Superlattice Miniband Transport” Compound Semiconductor Week 2025 (CSW2025), Banff, Alberta, Canada, B3, May. 2025.
Domestic Conference
J. Huang, J. Kwoen, Y. Arakawa, K. Hirakawa, K. Kuroyama, “Ultrastrong light-matter interaction in near-field coupled split-ring resonator revealed by photocurrent spectroscopy”, The 73th The Japan Society of Applied Physics Spring Meeting 2026 (JSAP Spring 2026), Ookayama Campus, Institute of Science Tokyo, Japan, 17p-WL2_201-9, Mar. 2026.
T. Murashima, J. Huang, K. Kuroyama, “トポロジカル共振器列を用いた量子ビットの遠隔結合の理論研究”, 東京大学物性研究所 量子ナノ物性研究センター Pre-kick-off ミーティング 物質開発・ナノ加工・先端計測の融合で切り拓く量子物性フロンティア, ISSP (Institute for Solid State Physics), The University of Tokyo, Chiba, Japan, Mar. 2026.
N. Maeda, N. Nagai, K. Kuroyama, K. Hirakawa, “半導体超格子中のミニバンドにおける運動量緩和プロセスの電気伝導特性への影響”, 東京大学物性研究所 量子ナノ物性研究センター Pre-kick-off ミーティング 物質開発・ナノ加工・先端計測の融合で切り拓く量子物性フロンティア, ISSP (Institute for Solid State Physics), The University of Tokyo, Chiba, Japan, Mar. 2026.
(Invited) K. Kuroyama, “テラヘルツ光共振器・半導体量子ナノ構造結合系における光—物質コヒーレント相互作用”, 東京大学物性研究所 量子ナノ物性研究センター Pre-kick-off ミーティング 物質開発・ナノ加工・先端計測の融合で切り拓く量子物性フロンティア, ISSP (Institute for Solid State Physics), The University of Tokyo, Chiba, Japan, Mar. 2026.
J. Huang, J. Kwoen, Y. Arakawa, K. Hirakawa, K. Kuroyama, “Electrical detection of Landau polaritons in the ultrastrong coupling regime”, the 14th Workshop on Semiconductor/Superconductor Quantum Coherence Effect and Quantum Information. (Spin camp 2025), Nasu-cho, Tochigi, Japan, Sep. 2025.
N. Maeda, J. Huang, X. Zhu, M. Bescond, N. Nagai, K. Kuroyama, K. Hirakawa, “Impact of Momentum Relaxation Processes in Superlattice Miniband Transport”, the 14th Workshop on Semiconductor/Superconductor Quantum Coherence Effect and Quantum Information. (Spin camp 2025), Nasu-cho, Tochigi, Japan, Sep. 2025.
N. Maeda, X. Zhu, M. Bescond, N. Nagai, K. Kuroyama, K. Hirakawa, “Impact of momentum relaxation processes on electron transport in Semiconductor Superlattices”, The 72th The Japan Society of Applied Physics Spring Meeting 2025 (JSAP Spring 2025), Noda Campus, Tokyo University of Science, Japan, 17p-K302-2, Mar. 2025.
(Invited) K. Kuroyama, “Ultrastrong light-matter coupling in quantum point contact-terahertz split-ring resonator integrated systems”, The Physical Society of Japan 2025 Spring Meeting, Online, March, 2025.
(Invited) K. Kuroyama, “Electrical observation of coherent coupling between electrons in semiconductor nanostructures and metamaterial terahertz optical resonators”, The 45th Annual Meeting of The Laser Society of Japan, Hiroshima, Japan, January, 2025.
～2024
Journal
K. Kuroyama, J. Kwoen, Y. Arakawa, K. Hirakawa, “Coherent Interaction of a Few-Electron Quantum Dot with a Terahertz Optical Resonator” Phys. Rev. Lett. 132, 066901 (2024). [Link]
K. Kuroyama, J. Kwoen, Y. Arakawa, K. Hirakawa, “Electrical Detection of Ultrastrong Coherent Interaction between Terahertz Fields and Electrons Using Quantum Point Contacts” Nano Lett. 2023, 23, 24, 11402–11408 (2023). [Link]
International Conference
N. Maeda, X. Zhu, M. Bescond, N. Nagai, K. Kuroyama, K. Hirakawa, “Temperature-dependent electron scattering in AlGaAs/GaAs superlattices”, 2024 International Conference on Solid State Devices & Materials (SSDM2024), Himeji, Hyogo, Japan, PS-09-09, Sep. 2024.
Domestic Conference
(Invited) K. Kuroyama, “半導体ナノ構造とオンチップテラヘルツ光共振器のコヒーレント結合状態の観測”, Symposium on Frontier of Terahertz Science XI, Fukui, Japan, October, 2024.
N. Maeda, X. Zhu, M. Bescond, N. Nagai, K. Kuroyama, K. Hirakawa, “I-V characteristics and scattering times temperature dependences in AlAs/GaAs superlattices”, The 85th The Japan Society of Applied Physics Autumn Meeting 2024 (JSAP Autumn 2024), Niigata, Japan, 16p-B2-4, Sep. 2024.
N. Maeda, X. Zhu, N. Nagai, M. Bescond, K. Kuroyama, K. Hirakawa, “I-V characteristics and scattering times in AlGaAs/GaAs superlattices”, The 71th The Japan Society of Applied Physics Spring Meeting 2024 (JSAP Spring 2024), Setagaya Campus, Tokyo City University, Japan, 25a-12K-3, Mar. 2024.
