News

• 2024/11/26
  Nov. 2024, CANDAR! Xia gave a talk for SLAM software high-performance execution in CANDAR [Chenzhang Xia, Yuan Wang, and Koji Inoue, “Multithreaded Edge-Assisted Visual SLAM with Keyframe Backup Mechanism,” The Twelfth International Symposium on Computing and Networking (CANDAR), pp.1-6, Nov. 2024.]
  
• 2024/09/14
  Sep. 2024, QCE! Yuki gave a talk for superconductor circuit for cryogenic quantum computers in QCE [Yuki Matsumoto, Teruo Tanimoto, Masamitsu Tanaka, and Takatsugu Ono, “Low-Power Half-Flux-Quantum based Counter Circuits for Cryogenic Quantum Computers,” IEEE International Conference on Quantum Computing and Engineering, pp.1007-1013, Sept. 2024.]
  
• 2024/05/15
  We have managed “U.S.-Japan Collaborative Workshop: Accelerating IC Design [Phase II],” with University of Michigan!
  
• 2024/11/16
  Nov. 2024, MICRO! We gave a talk for our quantum computer research in MICRO.[Junhyuk Choi, Ilkwon Byun, Juwon Hong, Dongmoon Min, Junpyo Kim, Jungmin Cho, Hyeonseong Jeong, Masamitsu Tanaka, Koji Inoue, and Jangwoo Kim, SuperCore: An Ultra-Fast Superconducting Processor For Cryogenic Applications]
  

Research Topics

1. Superconductor Computing

2. Quantum Computing

3. Nano-Photonic Computing

4. Secure Computing

5. Environmentally Scalable Computing

6. Domain-Specific Edge/Cloud Computing

7. CPU/Memory Microarchitecture and VLSI Technology

Selected Publications

• International Proceedings (Peer-Reviewed)

  Junhyuk Choi, Ilkwon Byun, Juwon Hong, Dongmoon Min, Junpyo Kim, Jungmin Cho, Hyeonseong Jeong, Masamitsu Tanaka, Koji Inoue, and Jangwoo Kim, “SuperCore: An Ultra-Fast Superconducting Processor For Cryogenic Applications,” the 57th IEEE/ACM International Symposium on Microarchitecture (MICRO), pp.1532-1547, Nov. 2024.

• International Proceedings (Peer-Reviewed)

  Dongmoon Min, Junpyo Kim, Junhyuk Choi, Ilkwon Byun, Masamitsu Tanaka, Koji Inoue, and Jangwoo Kim, “QIsim: Architecting 10+K Qubit QC Interfaces Toward Quantum Supremacy,” ACM/IEEE International Symposium on Computer Architecture (ISCA), pp.1-16, June 2023.

• International Proceedings (Peer-Reviewed)

  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, Oct. 2022.

• International Proceedings (Peer-Reviewed)

  Ilkwon Byun, Junpyo Kim, Dongmoon Min, Ikki Nagaoka, Kosuke Fukumitsu, Iori Ishikawa, Teruo Tanimoto, Masamitsu Tanaka, Koji Inoue, and Jangwoo Kim, “XQsim: Modeling Cross-Technology Control Processors for 10+K Qubit Quantum Computers,” ACM/IEEE International Symposium on Computer Architecture (ISCA), pp. 366-382, June 2022.

• Journals (Peer-Reviewed)

  Koki Ishida, Ilkwon Byun, Ikki Nagaoka, Kousuke Fukumitsu, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Jangwoo Kim, and Koji Inoue, “Superconductor Computing for Neural Networks,“ in IEEE Micro (IEEE’s Top Picks), pp.1–8, May/June 2021.

• International Proceedings (Peer-Reviewed)

  Koki Ishida, Ilkwon Byun, Ikki Nagaoka, Kousuke Fukumitsu, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Jangwoo Kim, and Koji Inoue, “SuperNPU: An Extremely Fast Neural Processing Unit Using Superconducting Logic Devices,“ 2020 53rd Annual IEEE/ACM International Symposium on Microarchitecture (MICRO), pp.58–72, Oct. 2020.

• Journals (Peer-Reviewed)

  Kenichi Kitayama, Masaya Notomi, Makoto Naruse, Koji Inoue, Satoshi Kawakami, Atsushi Uchida, “Novel frontier of photonics for data processing – Photonic accelerator -,” APL Photonics, Vol.4, No.9, pp.090901-1-090901-24, Sep. 2019.

• International Proceedings (Peer-Reviewed)

  Ikki Nagaoka, Masamitsu Tanaka, Koji Inoue, Akira Fujimaki, “A 48GHz 5.6mW gate-level-pipelined multiplier using single-flux quantum logic,” IEEE International Solid-State Circuits Conference (ISSCC), pp.460-462, Feb. 2019.

• International Proceedings (Peer-Reviewed)

  Yuichi Inadomi, Tapasya Patki, Koji Inoue, Mutsumi Aoyagi, Barry Rountree, Martin Schulz, David Lowenthal, Yasutaka Wada, Keiichiro Fukazawa, Masatsugu Ueda, Masaaki Kondo, Ikuo Miyoshi, “Analyzing and Mitigating the Impact of Manufacturing Variability in Power-Constrained Supercomputing,” In Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis (SC), No.78, pp.78:1-78:12, Nov. 2015.