[17p-S4_203-1~12] 3.9 Optical quantum physics and technologies | The 73rd JSAP Spring Meeting 2026

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

[17p-S4_203-1~12]3.9 Optical quantum physics and technologies

Tue. Mar 17, 2026 2:10 PM - 5:15 PM JST
Tue. Mar 17, 2026 5:10 AM - 8:15 AM UTC

S4_203 (South Bldg. 4)

2:10 PM - 2:15 PM JST(5:10 AM - 5:15 AM UTC)

[17p-S4_203-1]The 10th Photonics Encouragement Award Ceremony

〇Kuniaki Konishi^1,2 (1.Photonics Division Chief Secretary, 2.The Univ. of Tokyo)

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

[17p-S4_203-2][The 10th Photonics Encouragement Award　Speech] Real-time observation of picosecond-timescale optical quantum entanglement toward ultrafast quantum information processing

〇Akito Kawasaki^1,2,3, Brunel Hector^2,4, Ryuhoh Ide², Takumi Suzuki², Takahiro Kashiwazaki⁵, Asuka Inoue⁵, Takeshi Umeki⁵, Taichi Yamashima^2,5, Atsushi Sakaguchi³, Kan Takase^1,2,3, Mamoru Endo^2,3, Warit Asavanant^1,2,3, Akira Furusawa^1,2,3 (1.OptQC, 2.The Univ. of Tokyo, 3.RIKEN RQC, 4.ENS, 5.NTT Device Technology Labs)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-S4_203-3]Generation and Measurement of Broadband High-Level Squeezed Light Using Waveguide Optical Parametric Amplifiers with External Dispersion Compensation

〇(B)Shotaro Oki¹, Takumi Suzuki¹, Kazuki Hirota¹, Takaya Hoshi¹, Takahiro Kashiwazaki², Taichi Yamashima², Asuka Inoue², Takeshi Umeki², Mamoru Endo^1,3, Akira Furusawa^1,3,4 (1.The Univ. of Tokyo, 2.NTT Device Technology Labs, 3.RIKEN RQC, 4.OptQC)

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

[17p-S4_203-4]Research on the generation of high-level squeezed light from a waveguide optical parametric amplifier by improving detection efficiency with a spatial light modulator

〇(M1)Gyeongmin Ha¹, Kazuki Hirota¹, Takahiro Kashiwazaki², Taichi Yamashima², Takumi Suzuki¹, Kazuma Takahashi¹, Akito Kawasaki^3,4, Asuka Inoue², Warit Asavanant^3,4, Mamoru Endo^1,3, Takeshi Umeki², Akira Furusawa^1,3,4 (1.The Univ. of Tokyo, 2.NTT Device Technology Labs, 3.RIKEN RQC, 4.OptQC)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-S4_203-5]Pulse Homodyne Measurement with High-Repetition Squeezed Light using Optical Parametric Amplifier

〇(B)Toshinori Yamazaki¹, Yoshitsugu Hoshino¹, Kazuma Takahashi¹, Oizumi Kan¹, Kazuki Hirota¹, Katsuki Nakashima¹, Takaya Hoshi¹, Takumi Suzuki¹, Takahiro Kashiwazaki², Taichi Yamashima², Asuka Inoue², Takeshi Umeki², Mamoru Endo^1,3, Akira Furusawa^1,3,4 (1.The Univ. of Tokyo, 2.NTT Device Technology Labs, 3.RIKEN RQC, 4.OptQC)

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

[17p-S4_203-6]Homodyne Measurement of a Squeezed Vacuum State using Pulsed LO Light

〇(B)Taketsugu Kawashima¹, Yoshitsugu Hoshino¹, Yi-Ru Chen¹, Quentin Civario¹, Akito Kawasaki¹, Shota Yokoyama¹, Tatsuki Sonoyama¹, Warit Asavanant¹ (1.OptQC Corp.)

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-S4_203-7]Parallel simultaneous correlation measurements of photon pairs for quantum entangled two-photon absorption microscope

〇(M1)Yuya Takamoto¹, Naru Yoneda^1,2, Kanako Yoshimura¹, Osamu Matoba^1,2 (1.Kobe Univ., 2.Kobe Univ. OaSIS)

3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-S4_203-8]High-speed mid-infrared spectroscopy with undetected photons at kSpectra/s-level rates

〇(D)Makoto Shoshin¹, Kazuki Hashimoto¹, Tatsuki Yamazumi¹, Takuro Ideguchi¹ (1.The Univ. of Tokyo)

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

[17p-S4_203-9]Observation of non-local quantum interference in four-mode DFT optical quantum circuit

〇(M1)Ryosuke Fujie¹, Ryo Okamoto¹, Shigeki Takeuchi¹ (1.Kyoto Univ.)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[17p-S4_203-10]Experimental Demonstration of Ancilla-driven Blind Variational Quantum Eigensolver

〇Manatsugu Tagami¹, Kenta Utsunomiya¹, Hikaru Shimizu¹, Masaki Nagai¹, Junko Ishi-Hayase¹, Takahiko Satoh¹, Masahiro Takeoka^1,2 (1.Keio Univ., 2.NICT)

4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[17p-S4_203-11]Quantum chemistry calculation using a silicon photonic integrated circuit and photon-number resolving detectors

Tomofumi Odagawa¹, Mashu Hifumi¹, Shoichiro Tamadate¹, Takeshi Jodoi², Koki Shirota², Shogo Kimura¹, Kazuki Sakaino¹, Satoru Muramatsu³, Yoshiya Inokuchi³, Mitsuru Takenaka⁴, Makoto Okano², Akihiro Kato², Kaori Hattori², Tetsuya Tsuruta², Daiji Fukuda², 〇Nobuyuki Matsuda¹ (1.Tohoku Univ., 2.AIST, 3.Hiroshima Univ., 4.Univ. Tokyo)

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[17p-S4_203-12]Shot-noise robustness of convex optimization and maximum likelihood methods for POVM estimation in photon-number-resolving detectors

〇Akio Yoshizawa¹, Tetsuya Tsuruta¹, Daiji Fukuda¹ (1.AIST)

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