Coherent Electric-Field Control of Orbital state in a Neutral Nitrogen-Vacancy Center
Abstract
The coherent control of the orbital state is crucial for color centers in diamonds for realizing extremely low-power manipulation. Here, we propose the neutrally charged nitrogen-vacancy center, NV0, as an ideal system for orbital control through electric fields. We estimate electric susceptibility in the ground state of NV0 to be comparable to that in the excited state of NV-. Also, we demonstrate coherent control of the orbital states of NV0. 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.
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