Kohki Watanabe, Hiroki Kutsuma, Sunmi Kim, Taro Yamashita. Loss Mechanisms of Epitaxial NbN Coplanar Waveguide Resonators on an MgO Substrate. IEEE Transactions on Applied Superconductivity. 2025. 35. 5. 1-5
Sunmi Kim, Leonid V. Abdurakhimov, Duong Pham, Wei Qiu, Hirotaka Terai, Sahel Ashhab, Shiro Saito, Taro Yamashita, Kouichi Semba. Superconducting flux qubit with ferromagnetic Josephson π-junction operating at zero magnetic field. Communications Materials. 2024. 5. 1
Quantum applications of ferromagnet/superconductor hybrid devices
(The 13th Workshop on Semiconductor/Superconductor Quantum Coherence Effect and Quantum Information 2024)
Novel superconducting flux qubits with improved scalability
(Quantum, Cryogenic and Superconductive Computing (QUEST2024) 2024)