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

  title={Design and low-temperature characterization of a tunable microcavity for diamond-based quantum networks},
  author={S. Bogdanovi{\'c} and S. V. Dam and C. Bonato and L. Coenen and A. J. Zwerver and B. Hensen and Madelaine S. Z. Liddy and T. Fink and A. Reiserer and M. Lon{\vc}ar and R. Hanson},
  journal={Applied Physics Letters},
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 ¼ 4000–12 000 and find a sub-nanometer cavity stability. Modeling shows that coupling… Expand

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