Coherent electric field control of orbital state of a neutral nitrogen-vacancy center

Hodaka Kurokawa (), Keidai Wakamatsu, Shintaro Nakazato, Toshiharu Makino, Hiromitsu Kato, Yuhei Sekiguchi and Hideo Kosaka ()
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Hodaka Kurokawa: Yokohama National University
Keidai Wakamatsu: Yokohama National University
Shintaro Nakazato: Yokohama National University
Toshiharu Makino: Yokohama National University
Hiromitsu Kato: Yokohama National University
Yuhei Sekiguchi: Yokohama National University
Hideo Kosaka: Yokohama National University

Nature Communications, 2024, vol. 15, issue 1, 1-7

Abstract: Abstract The coherent control of the orbital state is crucial for realizing the extremely-low power manipulation of the color centers in diamonds. Herein, a neutrally-charged nitrogen-vacancy center, NV0, is proposed as an ideal system for orbital control using electric fields. The electric susceptibility in the ground state of NV0 is estimated, and found to be comparable to that in the excited state of NV−. Also, the coherent control of the orbital states of NV0 is demonstrated. The required power for orbital control is three orders of magnitude smaller than that for spin control, highlighting the potential for interfacing a superconducting qubit operated in a dilution refrigerator.

Date: 2024
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DOI: 10.1038/s41467-024-47973-3

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