プレプリント

プレプリント

Robust transfer of a quantum state from an absorbed photon into a diamond spin

D. Ito, Y. Sekiguchi, R. Reyes, T. Fujiwara, T. Makino, H. Kato, and H. Kosaka
arXiv:2505.09292(2025)

Spatially Resolved Optical Responses of a High-Kinetic-Inductance Microwave Resonator

R. Hirotsuru, H. Kurokawa, K. Takaki, H. Terai, and H. Kosaka
arXiv:2504.05899(2025)

Quantum Orbital-State Control of a Neutral Nitrogen-Vacancy Center at Millikelvin Temperatures

H. Kurokawa, S. Nakazato, T. Makino, H. Kato, S. Onoda, Y. Sekiguchi, and H. Kosaka
arXiv:2411.17187➞ Phys. Rev. Lett. 135, 016902 (2025)

High-Fidelity Electron Spin Gates for Scaling Diamond Quantum Register

T. Joas, F. Ferlemann, R. Sailer, P.J. Vetter, J. Zhang, R.S. Said, T. Teraji, S. Onoda, T. Calarco, G. Genov, M.M. Müller, and F. Jelezko
arXiv:2406.04199➞ Phys. Rev. X 15, 021069 (2025)

Low-Temperature Characteristics of an AlN/Diamond Surface Acoustic Wave Resonator

M. Yamamoto, H. Kurokawa, S. Fujii, T. Makino, H. Kato, and H. Kosaka
arXiv:2307.10271➞ J. Appl. Phys. 134, 215104 (2023)

Coherent Electric-Field Control of Orbital State in a Neutral Nitrogen-Vacancy Center

H. Kurokawa, K. Wakamatsu, S. Nakazato, T. Makino, H. Kato, Y. Sekiguchi, and H. Kosaka
arXiv:2307.07198 ➞Nature Communications 15, 4039 (2024)

Diamond optomechanical cavity with a color center for coherent microwave-to-optical quantum interfaces

B. Kim, H. Kurokawa, K. Sakai, K. Koshino, H. Kosaka, and M. Nomura
arXiv:2305.08306 ➞ Phys. Rev. Applied 20, 044037 (2023)

Demonstration of deterministic SWAP gate between superconducting and frequency-encoded microwave-photon qubits

K. Koshino, and K. Inomata
arXiv:2302.04548

Deterministic Bell state measurement with a single quantum memory

A. Kamimaki, K. Wakamatsu, K. Mikata, Y. Sekiguchi, and H. Kosaka
arXiv:2209.14686 ➞ npj Quantum Information 9, 101 (2023)

Backward propagating quantum repeater protocol with multiple quantum memories

Y. Sekiguchi, S. Okumura, and H. Kosaka
arXiv:2205.04243

Optically addressable universal holonomic quantum gates on diamond spins

Y. Sekiguchi, K. Matsushita, Y. Kawasaki, and H. Kosaka
DOI: 10.21203/rs.3.rs-1461563/v1 ➞ Nature Photonics 16, 662-666 (2022)

Remote Entanglement of Superconducting Qubits via Solid-State Spin Quantum Memories

H. Kurokawa, M. Yamamoto, Y. Sekiguchi, and H. Kosaka
arXiv:2202.07888 ➞ Phys. Rev. Applied 18, 064039 (2022)