High-purity single photons obtained with moderate-NA optics from SiV center in nanodiamonds on a bullseye antenna

Richard Waltrich, Boaz Lubotzky, Hamza Abudayyeh, Elena S. Steiger, Konstantin G. Fehler, Niklas Lettner, Valery A. Davydov, Viatcheslav N. Agafonov, Ronen Rapaport, Alexander Kubanek*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Coherent exchange of single photons is at the heart of applied quantum optics. The negatively-charged silicon vacancy center in diamond is among most promising sources for coherent single photons. Its large Debye-Waller factor, short lifetime and extraordinary spectral stability is unique in the field of solid-state single photon sources. However, the excitation and detection of individual centers requires high numerical aperture (NA) optics which, combined with the need for cryogenic temperatures, puts technical overhead on experimental realizations. Here, we investigate a hybrid quantum photonics platform based on silicon-vacancy center in nanodiamonds and metallic bullseye antenna to realize a coherent single-photon resource that operates efficiently down to low NA optics with an inherent resistance to misalignment.

Original languageAmerican English
Article number113022
JournalNew Journal of Physics
Volume23
Issue number11
DOIs
StatePublished - Nov 2021

Bibliographical note

Publisher Copyright:
© 2021 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft

Keywords

  • Bullseye antenna
  • Color center in diamond
  • Hybrid quantum systems
  • Nanodiamonds
  • Quantum optics
  • Silicon vacancy center

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