[16a-M_107-1~10] 13.6 Nanostructures, quantum phenomena, and nano quantum devices | The 73rd JSAP Spring Meeting 2026

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Oral presentation13 Semiconductors : 13.6 Nanostructures, quantum phenomena, and nano quantum devices

[16a-M_107-1~10]13.6 Nanostructures, quantum phenomena, and nano quantum devices

Mon. Mar 16, 2026 9:30 AM - 12:15 PM JST
Mon. Mar 16, 2026 12:30 AM - 3:15 AM UTC

M_107 (Main Bldg.)

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[16a-M_107-1]Cooperative coherent plasma oscillation of carriers excited by ultrashort optical pulse pair

〇Takayuki Hasegawa¹, Osamu Kojima² (1.Osaka Inst. Technol., 2.Chiba Inst. Technol.)

9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[16a-M_107-2]Control of transient-signal profiles due to choice of excitation energy in a stacked GaAs/AlAs multiple quantum well

〇Osamu Kojima¹, Uruu Wakui¹, Matthew Steer², Richard Hogg^2,3 (1.Chiba Inst. Tech, 2.Univ. of Glasgow, 3.Aston Univ.)

10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[16a-M_107-3]THz Field Sensors Using EO Effect in a Semiconductor Triple-Coupled Microcavity

〇Takahiro Kitada¹, Haku Okamtoto¹, Yukihiro Harada², Toshiyuki Kaizu³, Osamu Kojima⁴, Takashi Kita², Osamu Wada⁵ (1.NIT of Matsue, 2.Grad. Sch. of Eng., Kobe Univ., 3.UEC, 4.Chiba Inst. Tech., 5.Kobe Univ.)

10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[16a-M_107-4]Theoretical Investigation on a Coupled Microcavity for Highly Efficient THz-DFG

〇Takahiro Kitada¹, Mihiro Kameyama¹ (1.NIT of Matsue)

10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[16a-M_107-5]PDC in a Coupled Microcavity with a Periodic Polarization Inversion Structure

〇Takahiro Kitada¹, Hotaka Yamaguchi¹ (1.NIT of Matsue)

11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[16a-M_107-6]In-plane strain evaluation of multilayer SiGe nanodots by X-ray diffraction using anomalous dispersion effects

〇(D)Rieko Suenaga^1,2, Yuta Ito^1,6, Takeshi Watanabe³, Ichiro Hirosawa^4,7, Yuji Yamamoto⁵, Wei-Chen Wen⁵, Kazuhiko Omote², Atsushi Ogura^1,7 (1.Sch. of Sci. and Technol., Meiji Univ., 2.Rigaku Corp., 3.JASRI, 4.SAGA-LS, 5.IHP, 6.JSPS DC, 7.MREL, Meiji Univ.)

11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[16a-M_107-7]Size-controlled in-plane placement of silica-coated PbS quantum dots

〇Kohei Iwata¹, Aoi Nagase², Hiroto Sirozume¹, Kohki Mukai^1,2 (1.Graduate School of Engineering Science, Yokohama National Univ., 2.College of Engineering Science, Yokohama National Univ.)

11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[16a-M_107-8]Direct Estimation of Density Matrix Time Evolution of Neutral Exciton Emission in a
Single Semiconductor Quantum Dot by Polarization-Time-Resolved Measurements

〇(M1)JOSEPHY VICTOR NJALA¹, Yuta Yamamoto¹, Reina Kaji¹, Satoru Adachi¹, Hirotaka Sasakura¹ (1.Hokkaido Univ.)

11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[16a-M_107-9]Ultrafast spin-polarization amplification dynamics in tunnel-coupled structures of GaNAs quantum well and InGaAs quantum dots; effects of nitrogen composition

〇Yuma Suzuki¹, Hiroto Kise², Ayano Morita², Junichi Takayama², Akihiro Murayama², Satoshi Hiura² (1.Hokkaido Univ., 2.IST, Hokkaido Univ.)

12:00 PM - 12:15 PM JST(3:00 AM - 3:15 AM UTC)

[16a-M_107-10]Circularly polarized luminescence properties of dilute nitride GaInNAs/GaAs multiple quantum wells dependent on GaAs barrier thickness

〇Eita Tagawa¹, Ayano Morita¹, Keisuke Minehisa², Hiroto Kise¹, Junichi Takayama¹, Fumitaro Ishikawa², Akihiro Murayama¹, Satoshi Hiura¹ (1.IST, Hokkaido Univ., 2.RCIQE, Hokkaido Univ.)

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