[14p-K504-1~13] 3.8 Terahertz technologies | The 72nd JSAP Spring Meeting 2025

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Session Details

Oral presentation3 Optics and Photonics : 3.8 Terahertz technologies

[14p-K504-1~13]3.8 Terahertz technologies

Fri. Mar 14, 2025 1:00 PM - 4:30 PM JST
Fri. Mar 14, 2025 4:00 AM - 7:30 AM UTC

K504 (Lecture Hall Bldg.)

Katsuhiko Miyamoto(Chiba Univ.), Takashi Arikawa(兵庫県立大学)

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1:00 PM - 1:15 PM JST(4:00 AM - 4:15 AM UTC)English Presentation

[14p-K504-1][The 46th Young Scientist Award Speech] Two coupled resonant-tunneling-diode oscillators with a cavity resonator for high-power coherent terahertz radiation

〇Feifan Han¹, Takumi Shimura¹, Hiroki Tanaka¹, Safumi Suzuki¹ (1.Science Tokyo.)

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1:15 PM - 1:30 PM JST(4:15 AM - 4:30 AM UTC)

[14p-K504-2]Frequency stabilization of resonant tunneling diode terahertz comb oscillator

〇Keishiro Tabuchi¹, Ito Hiroshi², Suzuki Safumi³, Arikawa Takashi^1,4 (1.Univ. of Hyogo, 2.Univ. of Tokyo, 3.Science Tokyo, 4.JST PRESTO)

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1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)English Presentation

[14p-K504-3]Dependence of Beat Signal Power on Injection Signal Power in a Resonant-Tunneling-Diode Self-Oscillating Mixer

〇Mingxuan Yang¹, Adrian Dobroiu¹, Hiroki Tanaka¹, Safumi Suzuki¹ (1.Science Tokyo)

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1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[14p-K504-4]Analysis of optical gain mapping of GaN THz-QCL considering doping concentration of core layer

〇(B)Koki Yabe^1,2, Airu Takahashi^1,2, Akira Kaneko^1,2, Sachie Fujikawa^2,1, Hiroyuki Yaguchi², Krishan Kumar¹, Shashank Mishra¹, Hideki Hirayama¹ (1.RIKEN, 2.Saitama University)

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2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[14p-K504-5]A Study on Modeling of Input-Output Characteristics of Quantum Cascade Lasers

〇(B)Haruma Minami¹, Kenta Umebayashi¹, Ya Zhang¹, Hua Li² (1.TUAT, 2.SIMIT)

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2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[14p-K504-6]Simultaneous Enhancement of O/E Conversion Efficiency, Cutoff Frequency, and Heat Transfer Performance of UTC-PD by Introducing a Dielectric Grating Guided-Mode-Resonance Structure

Ryota Kojima^1,2, Taiichi Otsuji¹, 〇Akira Satou¹ (1.RIEC, Tohoku Univ., 2.Tohoku Univ. Graduate School of Eng.)

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2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[14p-K504-7]Landau-level terahertz emission in graphene

〇Fumiyuki Inamura¹, Sunmi Kim², Iwao Hosako², Mikhail Patrashin³, Susumu Komiyama⁴, Kenji Ikushima¹ (1.Tokyo Univ. A & T, 2.NICT, 3.Univ. Adelaide, 4.Univ. of Tokyo)

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3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[14p-K504-8]Leakage resistance in MEMS bolometers using AlGaAs/GaAs heterostructures

〇(M2)Tomonosuke Hayami¹, Kazuhiro Takahashi², Naomi Nagai¹, Kazuyuki Kuroyama¹, Kazuhiko Hirakawa¹ (1.The University of Tokyo, 2.Hamamatsu Photonics)

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3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[14p-K504-9]Extension of Babinet’s relations to reflective metasurfaces and experimental demonstration

Takayoshi Fujikawa¹, 〇Toshihiro Nakanishi¹ (1.Kyoto Univ.)

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3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[14p-K504-10]Terahertz Refractive Index Control via Stretching Deformation of a Flexible Silicon Effective Medium

〇Hidemasa Yamane¹, Yoshiharu Yamada¹, Yusuke Kondo¹, Ken Miyajima¹, Masayuki Fujita², Shuichi Murakami¹ (1.ORIST, 2.Osaka Univ.)

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3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[14p-K504-11]Characterization of Beamforming using a Metamaterial at 300 GHz

〇(M1)Hidemichi Sakurai¹, Yoshiki Konda², Kousaku Kato¹, Thanh Nhat Khoa Phan¹, Verdad C. Agulto¹, Masanori Tsuruta², Hitoshi Shimada², Makoto Nakajima¹ (1.ILE, Osaka Univ., 2.Asahi Kasei Corp.)

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4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[14p-K504-12]Measurements of frequency characteristics of directivity of double-sided paired cut wire array antennas in the 0.3-THz band

〇Mahiro Ochiai¹, Takahide Yasukawa¹, Harumi Asada², Takehito Suzuki¹ (1.TUAT, 2.Hirosaki Univ.)

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4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[14p-K504-13]Experimental system with a probe horn for metalens antennas in the 0.85-THz band

〇Koki Uno¹, Takahide Yasukawa¹, Kaito Ebisawa¹, Takehito Suzuki¹ (1.TUAT)

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