[9a-N304-1~10] KS.2 Quantum Information Engineering Group | 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

[9a-N304-1~10]KS.2 Quantum Information Engineering Group

Tue. Sep 9, 2025 9:00 AM - 11:45 AM JST
Tue. Sep 9, 2025 12:00 AM - 2:45 AM UTC

N304 (Lecture Hall North)

9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[9a-N304-1][The 58th Young Scientist Presentation Award Speech] Emission and absorption type quantum repeaters by diamond quantum memories

〇Raustin Reyes^1,5, Taichi Fujiwara¹, Yuhei Sekiguchi^2,3, Toshiharu Makino^2,4, Hiromitsu Kato^2,4, Hideo Kosaka^1,2,3 (1.Grad. Sch. Eng., Yokohama Natl. Univ., 2.QIC, Yokohama Natl. Univ., 3.IAS, Yokohama Natl. Univ., 4.AIST, 5.NTT Network Innovation Laboratories)

9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[9a-N304-2]Modular interface for efficient optical readout using nitrogen vacancy centers in diamond

〇Akira Kamimaki^1,2, Yuhei Sekiguchi^1,2, Daisuke Ito³, Taichi Fujiwara³, Toshiharu Makino^1,2,4, Hiromitsu Kato^1,2,4, Hideo Kosaka^1,2,3 (1.QIC, YNU, 2.IAS, YNU, 3.Dept. of Phys., YNU, 4.AIST)

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9a-N304-3]Electromechanical Modulation of a SnV Center in a Diamond Nanophotonic Structure

〇Yuhei Sekiguchi^1,2, Abdul Nasir^1,2, Hodaka Kurokawa^1,2, Kamata Mikiya^1,3, Shoji Hachuda^1,3, Masaki Kunii^1,3, Takemasa Tamanuki^1,2,3, Satomi Ishida⁴, Hidetsugu Matsukiyo⁵, Natthajuks Pholsen⁵, Masao Nishioka⁵, Sangmin Ji⁵, Hideo Otsuki⁴, Kosuke Kimura⁶, Kouta Takenaka⁶, Shinobu Onoda^2,6, Toshihiko Baba^1,2,3, Satoshi Iwamoto^2,4,5, Hideo Kosaka^1,2,3 (1.IAS Yokohama Natl. Univ., 2.QIC Yokohama Natl. Univ., 3.Grad. Sch. Eng. Yokohama Natl. Univ., 4.RCAST Tokyo Univ., 5.IIS Tokyo Univ., 6.QST)

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

[9a-N304-4]Fiber-Integrated Diamond Optomechanical Crystal with Embedded NV centers

〇Kiyotaka Sato¹, Hodaka Kurokawa^2,3, Yuhei Sekiguchi^2,3, Mikiya Kamata^1,2, Shoji Hachuda^1,2, Masaki Kunii^1,2, Takemasa Tamanuki^1,2,3, Satomi Ishida⁴, Hidetsugu Matsukiyo⁵, Natthajuks Pholsen⁵, Masao Nishioka⁵, Sangmin Ji⁵, Hideo Otsuki⁴, Kosuke Kimura⁶, Kouta Takenaka⁶, Shinobu Onoda^3,6, Toshihiko Baba^1,2,3, Satoshi Iwamoto^3,4,5, Hideo Kosaka^1,2,3 (1.Yokohama Natl. Univ., 2.IAS Yokohama Natl. Univ., 3.QIC Yokohama Natl. Univ., 4.RCAST Tokyo Univ., 5.IIS Tokyo Univ., 6.QST)

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

[9a-N304-5]Spatially Resolved Optical Responses of a Superconducting Nanowire Microwave Resonator

〇Hodaka Kurokawa^1,2, Rento Hirotsuru³, Kazuyo Takaki⁴, Hirotaka Terai⁴, Hideo Kosaka^1,2,3 (1.QIC YNU, 2.IAS YNU, 3.Grad. Sch. Eng. YNU, 4.NICT)

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

[9a-N304-6]Thinning Technology for Single-Crystal Diamond Bonded Substrates for Quantum Devices

〇Tetsuya Miyatake¹, Yeting Yang¹, Naoki Fushimi¹, Masaharu Hida¹, Itsuki Takagi¹, Toshiyuki Miyazawa¹, Kenichi Kawaguchi¹, Ryoichi Ishihara², Shintaro Sato¹ (1.Fujitsu Ltd., 2.TU Delft)

10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)English Presentation

[9a-N304-7]Fabrication of diamond- Al2O3 waveguide hybrid structure for diamond-spin-based quantum computer application

〇Yeting Yang¹, Tetsuya Miyatake¹, Naoki Fushimi¹, Ryota Kitagawa¹, Toshiki Iwai¹, Masaharu Hida¹, Hidetsugu Matsukiyo², Masao Nishioka², Teruya Ishihara², Sangmin Ji², Satomi Ishida², Satoshi Iwamoto², Toshiyuki Miyazawa¹, Kenichi Kawaguchi¹, Ryoichi Ishihara³, Shintaro Sato¹ (1.Fujitsu, 2.University of Tokyo, 3.TU Delft)

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

[9a-N304-8]Fabrication of Air-bridge Bullseye Cavity from Single-crystal Diamond

〇Sangmin Ji¹, Natthajuks Pholsen¹, Hidetsugu Matsukiyo¹, Masao Nishioka¹, Satomi Ishida^1,2, Satoshi Iwamoto^1,2 (1.IIS, Univ. Tokyo, 2.RCAST, Univ. Tokyo)

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

[9a-N304-9]Fabrication and Optical Characterization of Ge Bullseye Optical Cavity Toward Telecommunication-band Spin–Photon Interface

〇Sangmin Ji¹, Shu Yoshikawa², Kentarou Sawano², Akira Oiwa³, Satoshi Iwamoto¹ (1.IIS Univ. Tokyo, 2.Tokyo City Univ., 3.SANKEN Osaka Univ.)

11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[9a-N304-10]Fabrication of gate-defined GaAs quantum dot in a bull's eye optical cavity

〇(M2)Hosumi Sato¹, Sangmin Ji², Rio Fukai¹, Masayoshi Mori¹, Takafumi Fujita^1,3, Satoshi Iwamoto², Haruki Kiyama⁴, Arne Ludwig⁵, Andreas Wieck⁵, Akira Oiwa^1,3 (1.SANKEN Univ. Osaka, 2.RCAST Univ. Tokyo, 3.QIQB Univ. Osaka, 4.Kyusyu Univ., 5.Ruhr Univ. Bochum)

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