Design and low-temperature characterization of a tunable microcavity for diamond-based quantum networks

We report on the fabrication and characterization of a Fabry-Perot microcavity enclosing a thin diamond membrane at cryogenic temperatures. The cavity is designed to enhance resonant emission of single nitrogen-vacancy centers by allowing spectral and spatial tuning while preserving the optical prop...

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Bibliographic Details
Published in:Applied physics letters 2017-04, Vol.110 (17)
Main Authors: Bogdanović, Stefan, van Dam, Suzanne B., Bonato, Cristian, Coenen, Lisanne C., Zwerver, Anne-Marije J., Hensen, Bas, Liddy, Madelaine S. Z., Fink, Thomas, Reiserer, Andreas, Lončar, Marko, Hanson, Ronald
Format: Article
Language:English
Subjects:
Applied physics
Cryogenic engineering
Cryogenic temperature
Diamonds
Entanglement
Holes
Low temperature
Optical properties
Vacancies
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Summary:We report on the fabrication and characterization of a Fabry-Perot microcavity enclosing a thin diamond membrane at cryogenic temperatures. The cavity is designed to enhance resonant emission of single nitrogen-vacancy centers by allowing spectral and spatial tuning while preserving the optical properties observed in bulk diamond. We demonstrate cavity finesse at cryogenic temperatures within the range of F = 4000 – 12   000 and find a sub-nanometer cavity stability. Modeling shows that coupling nitrogen-vacancy centers to these cavities could lead to an increase in remote entanglement success rates by three orders of magnitude.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4982168