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

Abstract

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.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2];  [1];  [1];  [1]; ORCiD logo [1]; ORCiD logo [3]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Harvard Univ., Cambridge, MA (United States)
  2. Harvard Univ., Cambridge, MA (United States); California Inst. of Technology (CalTech), Pasadena, CA (United States)
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1478067
Report Number(s):
SAND-2018-8756J
Journal ID: ISSN 0036-8075; 666907
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Science
Additional Journal Information:
Journal Volume: 362; Journal Issue: 6415; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

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., and Lukin, M. D. Photon-mediated interactions between quantum emitters in a diamond nanocavity. United States: N. p., 2018. Web. doi:10.1126/science.aau4691.
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. Photon-mediated interactions between quantum emitters in a diamond nanocavity. United States. doi:10.1126/science.aau4691.
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., and Lukin, M. D. Thu . "Photon-mediated interactions between quantum emitters in a diamond nanocavity". United States. doi:10.1126/science.aau4691. https://www.osti.gov/servlets/purl/1478067.
@article{osti_1478067,
title = {Photon-mediated interactions between quantum emitters in a diamond nanocavity},
author = {Evans, R. E. and Bhaskar, M. K. and Sukachev, D. D. and Nguyen, C. T. and Sipahigil, A. and Burek, M. J. and Machielse, B. and Zhang, G. H. and Zibrov, A. S. and Bielejec, E. and Park, H. and Lončar, M. and Lukin, M. D.},
abstractNote = {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.},
doi = {10.1126/science.aau4691},
journal = {Science},
issn = {0036-8075},
number = 6415,
volume = 362,
place = {United States},
year = {2018},
month = {9}
}

Journal Article:
Free Publicly Available Full Text
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Citation Metrics:
Cited by: 21 works
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Figures / Tables:

Fig. 1 Fig. 1: High cooperativity SiV-photon interface. (A) Multiple SiVs are deterministically positioned in a nanophotonic cavity which is probed in transmission. (B) Scanning electron micrograph of a diamond nanophotonic cavity. (C) Transmission spectrum of the coupled SiV-cavity system (blue). The broad Lorentzian response of an empty cavity (dashed) is modulatedmore » by SiVs coupled to the cavity. Near the cavity resonance (lower panel), two SiVs each result in greater than 95% extinction in transmission and are broadened by the Purcell effect ($\Gamma$ (Δ = 0) = 2$π$ x 4.6 GHz). (D) Far detuned from the cavity resonance (Δ = 2$π$ x 79 GHz~2k), individual SiVs appear as narrow peaks in transmission ($\Gamma$ (Δ) = 2$π$ x 0.5 GHz). The solid lines in (D) and the lower panel of (C) are fits to a model.« less

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.