Koyama Takeshi

コヤマタケシ | Koyama Takeshi

Research field (1)： Semiconductors, optical and atomic physics

Research keywords (3)： Nanocarbon , Ultrafast spectroscopy , Optical properties of condensed matter

Papers (51)：

Takeshi Koyama, Akira Fujisaki, Hiromu Odamura, Yuto Nakamura, Hideo Kishida. Femtosecond depolarization of photoluminescence from InAs: Comparison with Cu and monolayer graphene. Physical Review B. 2023. 108. 23
Daiki Inukai, Takeshi Koyama, Kenji Kawahara, Hiroki Ago, Hideo Kishida. Complex third-order nonlinear susceptibility of single-layer graphene governing third-harmonic generation. Physical Review B. 2023. 108. 7
Daiki Inukai, Takeshi Koyama, Masaaki Araidai, Kenji Kawahara, Hiroki Ago, Hideo Kishida. Fermi energy dependence of ultrafast photoluminescence from graphene. Journal of Applied Physics. 2022. 132. 13. 134301-134301
Tomoki Tatsuno, Takeshi Koyama, Hideo Kishida. Photoexcited state of the organic electron acceptor TCNQ molecular anion in the condensed state. Physical Review B. 2022. 106. 11
Takeshi Koyama, Nobuki Umewaki, Kensuke Saito, Tomoki Tatsuno, Akira Fujisaki, Yasumitsu Miyata, Hiromichi Kataura, Hideo Kishida. Photoluminescence of metallic single-walled carbon nanotubes: Role of interband and intraband transitions. Physical Review B. 2022. 106. 4

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