Research Summary

Selected Publications

Papers with an asterisk(*) are based on research conducted outside of RIKEN.

• 1. Takumi Kobori, Yasunari Suzuki, Yosuke Ueno, Teruo Tanimoto, Synge Todo, and Yuuki Tokunaga
  "LSQCA: Resource-Efficient Load/Store Architecture for Limited-Scale Fault-Tolerant Quantum Computing"
  2025 IEEE International Symposium on High-Performance Computer Architecture (HPCA), accepted (2025)
• 2. *Nobuyuki Yoshioka, Tsuyoshi Okubo, Yasunari Suzuki, Yuki Koizumi, and Wataru Mizukami
  "Hunting for quantum-classical crossover in condensed matter problems"
  npj Quantum Information 4, 45 (2024)
• 3. Yasunari Suzuki, Yosuke Ueno, Wang Liao, Masamitsu Tanaka, and Teruo Tanimoto
  "Circuit Designs for Practical-Scale Fault-Tolerant Quantum Computing"
  2023 IEEE Symposium on VLSI Technology and Circuits (VLSISymp2023), pp. 1-2, (2023) (Invited)
• 4. *Wang Liao, Yasunari Suzuki, Teruo Tanimoto, Yosuke Ueno, and Yuuki Tokunaga
  "WIT-Greedy: Hardware System Design of Weighted ITerative Greedy Decoder for Surface Code"
  28th Asia and South Pacific Design Automation Conference (ASP-DAC 2023), pp. 209-215 (2023)
• 5. *Yasunari Suzuki, Takanori Sugiyama, Tomochika Arai, Wang Liao, Koji Inoue, and Teruo Tanimoto
  "Q3DE: A fault-tolerant quantum computer architecture for multi-bit burst errors by cosmic rays"
  the 55th IEEE/ACM International Symposium on Microarchitecture (MICRO), pp. 1110-1125 (2022)
• 6. Yasunari Suzuki*, Suguru Endo*, Keisuke Fujii, and Yuuki Tokunaga
  "Quantum Error Mitigation as a Universal Error Reduction Technique: Applications from the NISQ to the Fault-Tolerant Quantum Computing Eras"
  PRX Quantum 3, 010345 (2022) (*: equal contribution)
• 7. Yosuke Ueno, Masaaki Kondo, Masamitsu Tanaka, Yasunari Suzuki, and Yutaka Tabuchi
  "QULATIS: A Quantum Error Correction Methodology toward Lattice Surgery"
  2021 IEEE International Symposium on High-Performance Computer Architecture (HPCA), pp. 274-287 (2022)
• 8. Yosuke Ueno, Masaaki Kondo, Masamitsu Tanaka, Yasunari Suzuki, and Yutaka Tabuchi
  "QECOOL: On-Line Quantum Error Correction with a Superconducting Decoder for Surface Code"
  2021 58th ACM/IEEE Design Automation Conference (DAC), pp. 451-456 (2021)
• 9. *Yasunari Suzuki, Yoshiaki Kawase, Yuya Masumura, Yuria Hiraga, Masahiro Nakadai, Jiabao Chen, Ken M. Nakanishi, Kosuke Mitarai, Ryosuke Imai, Shiro Tamiya, Takahiro Yamamoto, Tennin Yan, Toru Kawakubo, Yuya O. Nakagawa, Yohei Ibe, Youyuan Zhang, Hirotsugu Yamashita, Hikaru Yoshimura, Akihiro Hayashi, and Keisuke Fujii
  "Qulacs: a fast and versatile quantum circuit simulator for research purpose"
  Quantum 5, 559 (2021)
• 10. *Yasunari Suzuki, Keisuke Fujii, and Masato Koashi
  "Efficient simulation of quantum error correction under coherent error based on non-unitary free-fermionic formalism"
  Physical Review Letters. 119, 190503 (2017)

Lab Members

Careers

Position	Deadline
Seeking a few Senior Scientists, Research Scientists, Postdoctoral Researchers or Research Associates (W25345)	Open until filled

Contact Information