The 73rd JSAP Spring Meeting 2026
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Session Details

Oral presentation3 Optics and Photonics : 3.9 Optical quantum physics and technologies

[18a-S4_203-1~7]3.9 Optical quantum physics and technologies

Wed. Mar 18, 2026 9:00 AM - 10:45 AM JST
Wed. Mar 18, 2026 12:00 AM - 1:45 AM UTC
S4_203 (South Bldg. 4)
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[18a-S4_203-1]Quantum entanglement detection using single-photon avalanche diodes without temperature control

〇Shoichi Murakami1, Takuya Ikuta1, Yuki Yamada2, Toshimori Honjo1, Fumito Nakajima2, Hiroki Takesue1 (1.NTT BRL, 2.NTT Device Technology Labs.)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[18a-S4_203-2]Efficiency Evaluation of The Mode-Selective Frequency-Up-Conversion of Photons
at a Telecommunication wavelength.

〇Naoto Namekata1, Shuichiro Inoue1 (1.IQS, Nihon Univ.)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-S4_203-3]High-Speed Quantum Random Number Generation by Inverse Box–Muller Transformation

〇(M2)Miwa Naka1, Takuya Hirano1, Tomonori Iida2, Nahomi Fukasawa2, Yusuke Sakamoto2 (1.Gakushuin Univ., 2.YDK. Co., Ltd.)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-S4_203-4]Experimental Demonstration of Twin-Field Quantum Key Distribution using an Acousto-Optic Modulator

〇Tadashi Chiyokura1, Takuya Hirano1 (1.Gakushuin Univ.)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-S4_203-5]Optimization of dynamical decoupling sequences in Rare-earth-doped quantum memory

〇(M1)Kota Sasaki1, Yudai Nodaguchi2, Daisuke Yoshida3,4, Feng-Lei Hong2,3, Akira Ozawa2,3, Tomoyuki Horikiri2,3,4 (1.IFGS, Yokohama Natl. Univ., 2.Grad. Sch. Eng., Yokohama Natl. Univ., 3.IMS, Yokohama Natl. Univ., 4.LQUOM Inc.)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-S4_203-6]Time-Resolved Measurement of Weak Femtosecond Photon Echo from InAs Quantum Dots Using Single-Photon Lock-in Detection

〇Yuta Kochi1,2, Rei Ishihara1,2, Sunao Kurimura3, Kouichi Akahane4, Junko Ishi-Hayase1,2 (1.Keio Univ., 2.Keio CSRN, 3.NIMS, 4.NICT)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[18a-S4_203-7]Measurement of femtosecond spatially multiplexed single-photon pulses via frequency up-conversion

〇(B)Rei Ishihara1, Yuta Kochi1,2, Ryo Tamaki1,2, Sunao Kurimura3, Keitaro Shimada4, Keiichi Nakagawa4, Junko Ishi-Hayase1,2 (1.Keio Univ., 2.Keio CSRN, 3.NIMS, 4.The Univ. of Tokyo)
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