The 86th JSAP Autumn Meeting 2025
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Oral presentationKS Sessions organized by JSAP's Professional Group : KS.2 Quantum Information Engineering Group

[9p-N304-1~15]KS.2 Quantum Information Engineering Group

Tue. Sep 9, 2025 1:30 PM - 5:45 PM JST
Tue. Sep 9, 2025 4:30 AM - 8:45 AM UTC
N304 (Lecture Hall North)
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N304-1]A resonant microwave-to-optical quantum transducer with a diamond color center

〇(M1)Kyosuke Goto1, Hodaka Kurokawa2,3, Hideo Kosaka1,2,3, Kazuki Koshino4 (1.Yokokoku Univ., 2.QIC, Yokokoku Univ., 3.IAS, Yokokoku Univ., 4.ILA, Inst. of Science Tokyo)
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N304-2]Efficient generation of high-fidelity physical and logical entanglements via entanglement purification using a superconducting entanglement buffer

〇(M2)Takumi Kobayashi1, Hodaka Kurokawa2,3, Yasunari Suzuki4, Hideo Kosaka1,2,3 (1.Grad. Sch. Eng., Yokohama Natl. Univ., 2.QIC, Yokohama Natl. Univ., 3.IAS, Yokohama Natl. Univ., 4.RIKEN Center for Quantum Computing)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N304-3]Evaluation of Silicon Quantum Dot Devices Integrated on an Active Interposer

〇(M2)Riku Wada1, Raisei Mizokuchi1, Kazuma Higashimomo2, Ryutaro Matsuoka1, Misato Taguchi2, Takuji Miki2, Makoto Nagata2, Tetsuo Kodera1 (1.Science Tokyo., 2.Kobe Univ.)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N304-4]Voltage pulse-induced shift of the switching characteristics of a two-level fluctuator in a silicon quantum dot

〇(DC)Ryutaro Matsuoka1, Raisei Mizokuchi1, Jun Yoneda2, Tetsuo Kodera1 (1.Science Tokyo, 2.Dept. of Adv. Mat. Sci., UTokyo)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[9p-N304-5]Superconducting Transmon Qubits with Sidewall Spacer Passivated Fully Epitaxial NbN/AlN/NbN Junctions

〇(M2)Koki Honda1, Daiki Kurihara1, Tokunoshin Uchida1, Hiroki Kutsuma1, Hirotaka Terai2, Taro Yamashita1 (1.Tohoku Univ., 2.NICT)
3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N304-6]Perturbation Theory for Superconducting Flux Qubits in Single Well Regime

〇(D)Tokunoshin Uchida1, Hiroki Kutsuma1, Taro Yamashita1 (1.Tohoku Univ.)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[9p-N304-7]Encoding and gate operations of binominal code using superconducting cavity

〇Takumi Mikawa1, Takaaki Takenaka1, Kosuke Kakuyanagi1, Shiro Saito1 (1.NTT-BRL)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[9p-N304-8]Analysis of simultaneous gate operations in fixed-frequency transmon qubits via shared wiring

〇Koichiro Ban1, Karen Makino1, Akinori Machino2,3, Hidehisa Shiomi3, Toshi Sumida1, Nilton Filho2, Ryo Matsuda2, Takafumi Miyanaga3, Kazuhisa Ogawa3, Makoto Negoro1,3, Ryutaro Ohira1 (1.QuEL, 2.Grad. Sch. Eng. Sci., The Univ. of Osaka, 3.QIQB, The Univ. of Osaka)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[9p-N304-9]Implementation of Multi-Round Repetition Code and Evaluation of Logical Error Rates in Fixed-frequency Transmon Qubits

〇Toshi Sumida1, Nilton Filho2, Kazuhisa Ogawa2, Akinori Machino1,2, Hidehisa Shiomi1,2, Takafumi Miyanaga2, Koichiro Ban2, Ryo Matuda2, Ryutaro Ohira1, Shinichi Morisaka1,2, Keisuke Koike3, Takefumi Miyoshi1,2,3, Yoshinori Kurimoto1, Yuuya Sugita1, Yosuke Ito1, Yasunari Suzuki4, Peter Spring4, Yutaka Tabuchi4, Shuhei Tamate4, Yasunobu Nakamura4,5, Makoto Negoro1,2 (1.QuEL, Inc., 2.Univ-Osaka, 3.etreesJapan, Inc., 4.Riken, 5.Univ-Tokyo)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[9p-N304-10]A quantum computer control system integrated with the Qiskit ecosystem

〇Shingo Tokunaga1,2 (1.Fujitsu Ltd., 2.RIKEN RQC-FUJITSU Collaboration Center)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[9p-N304-11]Development and Evaluation of a Time-Multiplexed Voltage Control System for Driving Multi-Electrode Ion Trap

〇Ryutaro Ohira1, Shinichi Morisaka1,2, Masanari Miyamoto3, Ippei Nakamura4, Atsushi Noguchi4,5,6, Utako Tanaka2,3,7, Takefumi Miyoshi1,2,8 (1.QuEL, Inc., 2.Univ. Osaka, QIQB, 3.Grad. Sch. Eng. Sci., Univ. Osaka, 4.Univ. Tokyo, 5.RIKEN RQC, 6.InaRIS, 7.NICT, 8.e-trees.Japan, Inc.)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N304-12]Implementation of Time-Delayed Quantum Extreme Learning Machine on NISQ Devices and Investigation of Time-Series Predictions

〇Mio Kawanabe1, Takumi Kanezashi1, Daisuke Tsukayama1, Jun-ichi Shirakashi1, Tetsuo Shibuya2, Hiroshi Imai2 (1.Tokyo Univ. Agr. & Tech., 2.Univ. Tokyo)
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)English Presentation

[9p-N304-13]All Valid States HOBO Encoding for Travelling Salesperson Problem in Quantum Computing

〇Juncheng Wang1, Daisuke Tsukayama1, Takumi Kanezashi1, Jun-ichi Shirakashi1, Tetsuo Shibuya2, Hiroshi Imai2 (1.Tokyo Univ.Agr.&Tech., 2.Tokyo Univ.)
5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[9p-N304-14]Towards Utility-Scale Error Mitigation via Qubit Reuse:Optimizing Experimental Parameters for Fabrication of Au Atomic Junction

〇Takumi Kanezashi1, Daisuke Tsukayama1, Juncheng Wang1, Mio Kawanabe1, Jun-ichi Shirakashi1, Tetsuo Shibuya2, Hiroshi Imai2 (1.Tokyo Univ. Agr. & Tech., 2.Univ. Tokyo)
5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[9p-N304-15]Application of quantum computing in electronic transport simulations

〇(M1)Kazuma Yamauchi1, Mitsuharu Uemoto1, Tomoya Ono1 (1.Kobe Univ.)
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