The 72nd JSAP Spring Meeting 2025
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Session Details

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

[15p-K309-1~12]3.9 Optical quantum physics and technologies

Sat. Mar 15, 2025 1:30 PM - 4:45 PM JST
Sat. Mar 15, 2025 4:30 AM - 7:45 AM UTC
K309 (Lecture Hall Bldg.)
Nobuyuki Matsuda(Tohoku Univ.)
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)English Presentation

[15p-K309-1][The 57th Young Scientist Presentation Award Speech] High spectral resolution quantum infrared spectroscopy with finite linewidth pulsed laser excitation

〇Jasleen Kaur1, Yu Mukai1, Ryo Okamoto1, Shigeki Takeuchi1 (1.Kyoto Univ.)
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1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[15p-K309-2]Narrowband correlated photon pair generation using high-Q Si micro-ring resonators

〇(DC)Shouichirou Yasui1,2, Tomohiro Inaba1, Hidetaka Nishi3,4, Reina Kaji2, Satoru Adachi2, Xuejun Xu1, Haruki Sanada1 (1.NTT Basic Research Labs., 2.Grad. Sch. Eng., Hokkaido Univ., 3.NTT Device Technology Labs., 4.NTT Nanophotonics Center)
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2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[15p-K309-3]Smoothing of emission spectrum of ultra-broadband visible-infrared quantum correlated photon pairs

〇Toshiyuki Tashima1, Norihide Oda1, Yu Mukai1, Mamoru Hisamitsu2, Katsuhiko Tokuda2, Ryo Okamoto1, Shigeki Takeuchi1 (1.Kyoto Univ., 2.Shimadzu Corp.)
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2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[15p-K309-4]Efficient evaluation of dimension of frequency-entangled photon pairs

〇(M1)Hirofumi Gotoh1, Ryo Okamoto1, Brent E. Little2, Sai Tak Chu3, Shigeki Takeuchi1 (1.Kyoto Univ., 2.QXP Technology Inc., 3.City Univ. of Hong Kong)
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2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[15p-K309-5]Broadband frequency entangled photon pairs using chirped quasi-phase-matching slab waveguide

〇(M1)Takahiro Suzuki1, Naofumi Abe1, Mamoru Hisamitsu2, Katsuhiko Tokuda2, Ryo Okamoto1, Shigeki Takeuchi1 (1.Kyoto Univ., 2.Shimadzu Co.)
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2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)English Presentation

[15p-K309-6]SPDC photon pairs generation using different pump pulse widths

〇HsinPin Lo1, Kai Asaoka1,2, Hiroki Takesue1 (1.NTTBRL, 2.UBC)
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3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[15p-K309-7]Generation of Polarization Entangled Photon Pairs in the Mid-infrared and Visible regions

〇(D)Haruya Hirota1, Koichiro Tanaka1 (1.Kyoto Univ.)
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3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[15p-K309-8]Polarization-entangled biphoton detection in the frequency domain with delay-line-anode single-photon detectors

〇(M2)Ozora Iso1, Yuta Fujihashi1, Kensuke Miyajima2, Ryosuke Shimizu1 (1.UEC, 2.TUS)
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3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[15p-K309-9]Error factor analysis of quantum state tomography by using quantum optics simulator

〇Junpei Oba1, Hsin-Pin Lo2, Yasuhiro Yamada2, Takayuki Matsui1, Takuya Ikuta2, Yuya Yonezu2, Toshimori Honjo2, Seiji Kajita1, Hiroki Takesue2 (1.TCRDL, 2.NTT BRL)
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4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[15p-K309-10]Two-dimensional fluorescence spectroscopy with quantum entangled photons

〇Yuta Fujihashi1, Ozora Iso1, Ryosuke Shimizu1, Akihito Ishizaki2,3 (1.UEC, 2.Univ. of Tokyo, 3.IMS)
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4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[15p-K309-11]The dependence of time-domain signal in nonlinear quantum interferometer on pump focusing parameter

〇Hideaki Katsu1,2, Yu Mukai1, Ryo Okamoto1, Katsuhiko Tokuda2, Shigeki Takeuchi1 (1.Kyoto Univ., 2.Shimadzu corp.)
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4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[15p-K309-12]Enhanced two-photon excitation fluorescence using super-thermal light

〇Ryuichi Miyata1, Hiroshi Yamaoka1, Mutsuo Nuriya2, Yujiro Eto1, Shigeki Takeuchi1 (1.Kyoto Univ., 2.Keio Univ. Sch. Med.)
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