Photon-mediated interactions between quantum emitters in a diamond nanocavity

Evans, R. E.; Bhaskar, M. K.; Sukachev, D. D.; Nguyen, C. T.; Sipahigil, A.; Burek, M. J.; Machielse, B.; Zhang, G. H.; Zibrov, A. S.; Bielejec, E.; Park, H.; Lončar, M.; Lukin, M. D.

doi:10.1126/science.aau4691

Title: Photon-mediated interactions between quantum emitters in a diamond nanocavity

Journal Article · 20 September 2018 · Science

DOI: https://doi.org/10.1126/science.aau4691 · OSTI ID:1478067

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^[2]; Burek, M. J. ^[1]; Machielse, B. ^[1]; Zhang, G. H. ^[1];

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Harvard Univ., Cambridge, MA (United States)
Harvard Univ., Cambridge, MA (United States); California Inst. of Technology (CalTech), Pasadena, CA (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Photon-mediated interactions between quantum systems are essential for realizing quantum networks and scalable quantum information processing. We demonstrate such interactions between pairs of silicon-vacancy (SiV) color centers coupled to a diamond nanophotonic cavity. When the optical transitions of the two color centers are tuned into resonance, the coupling to the common cavity mode results in a coherent interaction between them, leading to spectrally-resolved superradiant and subradiant states. We use the electronic spin degrees of freedom of the SiV centers to control these optically-mediated interactions. Such controlled interactions will be crucial in developing cavity-mediated quantum gates between spin qubits and for realizing scalable quantum network nodes.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000

OSTI ID:: 1478067

Report Number(s):: SAND-2018-8756J; 666907

Journal Information:: Science, Vol. 362, Issue 6415; ISSN 0036-8075

Publisher:: AAASCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 154 works

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