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Diamond-optic enhanced photon collection efficiency for sensing with nitrogen-vacancy centers

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arxiv 2301.06583 v1 pith:2NVLOUK2 submitted 2023-01-16 quant-ph physics.optics

classification quant-phphysics.optics
keywords centerscollecteddesignfluorescencenitrogen-vacancyamountcollectioncolor
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We present a design to increase the amount of collected fluorescence emitted by nitrogen-vacancy color centers in diamond used for quantum-sensing. An improvement was measured in collected fluorescence when comparing oppositely faced emitting surfaces by a factor of 3.8(1). This matches ray-tracing simulation results. This design therefore improves on the shot noise limited sensitivity in optical read-out based measurements of for instance magnetic and electric fields, pressure, temperature and rotations.

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