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  2. Quantum computing by Fujitsu
  3. Publications in Quantum technology

Publications in Quantum technology

Quantum Hardware

On-chip band-stop filter using multimode waveguide Bragg grating in alumina visible-light waveguides

Ryota Kitagawa, Takuto Yamaguchi, Naoki Fushimi, Masaharu Hida, Tetsuya Miyatake, Toshiyuki Miyazawa, Kenichi Kawaguchi, Ryoichi Ishihara, and Shintaro Sato Japanese Journal of Applied Physics, Volume 65, Number 2 (2026)

High-fidelity remote entanglement between superconducting fixed-frequency qubits

Mari Ohfuchi, and Shintaro Sato New Journal of Physics 26, 103043 (2024)

On-chip alumina photonic waveguide platform for diamond-spin-based quantum computing

Ryota Kitagawa, Takuto Yamaguchi, Naoki Fushimi, Masaharu Hida, Tetsuya Miyatake, Toshiyuki Miyazawa, Kenichi Kawaguchi, Ryoichi Ishihara, and Shintaro Sato 2025 International Conference on Solid State Devices and Materials (2025)

Josephson traveling-wave parametric amplifier based on a low-intrinsic-loss lumped-element coplanar waveguide

C.W. Sandbo Chang, Arjan F. Van Loo, Chih-Chiao Hung, Yu Zhou, Christian Gnandt, Shuhei Tamate, and Yasunobu Nakamura Phys. Rev. Applied 24, 044081 (2025)

Material Parameter Extraction Method at Low Temperature With Simple Measurement and 3D Electromagnetic Analysis

Taiga Fukumori, Norinao Kouma, Yoshiyasu Doi, and Shintaro Sato 2024 International Conference on Solid State Devices and Materials (2024)

Fabrication and Demonstration of Optical Waveguides and Beam Splitters Using Aluminum Oxide with Low Loss at Visible Wavelength

Takuto Yamaguchi, Naoki Fushimi, Manabu Ohtomo, Tetsuya Miyatake, Shoichi Miyahara, Hirokazu Hosoi, Toshiyuki Miyazawa, Kenichi Kawaguchi, Ryoichi Ishihara, and Shintaro Sato 2024 International Conference on Solid State Devices and Materials (2024)

Quantum Software

Fast-forwardability of qubit-mapped fermion models based on Cartan decomposition

Yuichiro Hidaka, Shoichiro Tsutsui, Shota Kanasugi, Norifumi Matsumoto, Kazunori Maruyama, and Hirotaka Oshima Physical Review Research 8, 033251 (2026)

Runtime reduction in lattice surgery utilizing timelike soft information

Yutaro Akahoshi, Riki Toshio, Jun Fujisaki, Hirotaka Oshima, Shintaro Sato, and Keisuke Fujii Physical Review Research 8, 033085 (2026)

Idling error suppression through gate scheduling

Hoiki Madison Liu, Kazunori Maruyama, Hirotaka Oshima, and Shintaro Sato arXiv:2607.02031 (2026)

Latent-Conditioned Parameterized Quantum Circuits as Universal Approximators for Distributions over Quantum States

Quoc Hoan Tran, Koki Chinzei, Yasuhiro Endo, and Hirotaka Oshima arXiv:2605.28690 (2026)

Zero-level CCZ Distillation

Tomohiro Itogawa, Yutaka Hirano, Yutaro Akahoshi, and Keisuke Fujii arXiv:2605.21867 (2026)

Adaptive Window Decoding based on Spatiotemporal Complementary Gap

Moeto Mishima, Riki Toshio, Kaito Kishi, Jun Fujisaki, Hirotaka Oshima, Shintaro Sato, and Keisuke Fujii arXiv:2605.14637 (2026)

Quantum-Inspired Technology

Problem Definition and Optimization Method for Bipartite Graph Scheduling

Hiroshi Ikeda, and Tatsuya Takanaga IEEE Access 12, 83675 (2024)

Multi-Objective Optimization Technique Based on QUBO and an Ising Machine

Hiroshi Ikeda, and Takashi Yamazaki IEEE Access 12, 8957 (2024)

Clustering Method for Periodic Time-Series Images Using Quantum-Inspired Computing Technology

Tomoki Inoue, Koyo Kubota, Tsubasa Ikami, Yasuhiro Egami, Hiroki Nagai, Takahiro Kashikawa, Koichi Kimura, and Yu Matsuda Communications Engineering 3, 10 (2024)

Digital Annealing Engine for High-speed Solving of Constrained Binary Quadratic Problems on Multiple GPUs

Kentaro Katayama, Noburu Yoneoka, Hirotaka Tamura, Koichi Kanda, Hiroshi Nakayama, and Yasuhiro Watanabe 2024 IEEE International Conference on Consumer Electronics (ICCE)

Quantum-inspired rate adaptation approach for DASH video streaming

Bo Wei, Hang Song, Makoto Nakamura, Koichi Kimura, Nozomu Togawa, and Jiro Katto IEEE Access 11, 118462 (2023)

Sampling via Rejection-Free Partial Neighbor Search

Sigeng Chen, Jeffrey S. Rosenthal, Aki Dote, Hirotaka Tamura, and Ali Sheikholeslam Communications in Statistics-Simulation and Computation

List of all Publications

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