Coherent Interactions between Silicon-Vacancy Centers in Diamond

We report tunable excitation-induced dipole-dipole interactions between silicon-vacancy color centers in diamond at cryogenic temperatures. These interactions couple centers into collective states, and excitation-induced shifts tag the excitation level of these collective states against the backgrou...

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Bibliographic Details
Published in:Physical review letters 2022-05, Vol.128 (20), p.203603-203603, Article 203603
Main Authors: Day, Matthew W, Bates, Kelsey M, Smallwood, Christopher L, Owen, Rachel C, Schröder, Tim, Bielejec, Edward, Ulbricht, Ronald, Cundiff, Steven T
Format: Article
Language:English
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Summary:We report tunable excitation-induced dipole-dipole interactions between silicon-vacancy color centers in diamond at cryogenic temperatures. These interactions couple centers into collective states, and excitation-induced shifts tag the excitation level of these collective states against the background of excited single centers. By characterizing the phase and amplitude of the spectrally resolved interaction-induced signal, we observe oscillations in the interaction strength and population state of the collective states as a function of excitation pulse area. Our results demonstrate that excitation-induced dipole-dipole interactions between color centers provide a route to manipulating collective intercenter states in the context of a congested, inhomogeneous ensemble.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.128.203603