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

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 fie...

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Bibliographic Details
Published in:New journal of physics 2021-11, Vol.23 (11), p.113022
Main Authors: Waltrich, Richard, Lubotzky, Boaz, Abudayyeh, Hamza, Steiger, Elena S, Fehler, Konstantin G, Lettner, Niklas, Davydov, Valery A, Agafonov, Viatcheslav N, Rapaport, Ronen, Kubanek, Alexander
Format: Article
Language:English
Subjects:
Acoustics
Antennas
bullseye antenna
Coherence
color center in diamond
Cryogenic temperature
Debye-Waller factor
Design
Diamonds
Efficiency
hybrid quantum systems
Lasers
Mechanics
Misalignment
nanodiamonds
Nanostructure
Numerical aperture
Optics
Photonics
Photons
Physics
Quantum optics
Silicon
silicon vacancy center
Vacancies
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Summary: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.
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/ac33f3