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All-optical spin access via a cavity-broadened optical transition in on-chip hybrid quantum photonics

Hybrid quantum photonic systems connect classical photonics to the quantum world and promise to deliver efficient light-matter quantum interfaces while leveraging the advantages of both, the classical and the quantum, subsystems. However, combining efficient, scalable photonics and solid-state quant...

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Main Authors: Antoniuk, Lukas (Author) , Lettner, Niklas (Author) , Ovvyan, Anna (Author) , Haugg, Simon (Author) , Klotz, Marco (Author) , Gehring, Helge (Author) , Wendland, Daniel (Author) , Agafonov, Viatcheslav N. (Author) , Pernice, Wolfram (Author) , Kubanek, Alexander (Author)
Format: Article (Journal)
Language:English
Published: 2024
In: Physical review applied
Year: 2024, Volume: 21, Issue: 5, Pages: 054032-1 - 054032-12
ISSN:2331-7019
DOI:10.1103/PhysRevApplied.21.054032
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevApplied.21.054032
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevApplied.21.054032
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Author Notes:Lukas Antoniuk, Niklas Lettner, Anna P. Ovvyan, Simon Haugg, Marco Klotz, Helge Gehring, Daniel Wendland, Viatcheslav N. Agafonov, Wolfram H.P. Pernice, Alexander Kubanek
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Summary:Hybrid quantum photonic systems connect classical photonics to the quantum world and promise to deliver efficient light-matter quantum interfaces while leveraging the advantages of both, the classical and the quantum, subsystems. However, combining efficient, scalable photonics and solid-state quantum systems with desirable optical and spin properties remains a formidable challenge. In particular, the access to individual spin states and coherent mapping to photons remains unsolved for hybrid systems. In this paper, we demonstrate all-optical initialization and readout of the electron spin of a negatively charged silicon-vacancy center in a nanodiamond coupled to a silicon nitride photonic crystal cavity. We characterize relevant parameters of the coupled emitter-cavity system and determine the silicon-vacancy center’s spin-relaxation and spin-decoherence rate. Our results mark a key step towards the realization of a hybrid spin-photon interface based on silicon nitride photonics and the silicon-vacancy center’s electron spin in nanodiamonds with potential use for quantum networks, quantum communication, and distributed quantum computation.
Item Description:Online veröffentlich: 16. Mai 2024
Gesehen am 21.01.2025
Physical Description:Online Resource
ISSN:2331-7019
DOI:10.1103/PhysRevApplied.21.054032

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