A vertically-loaded diamond microdisk resonator spin-photon interface

Author(s)
Duan, Yuqin; Chen, Kevin C; Englund, Dirk R; Trusheim, Matthew E
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Abstract
<jats:p>We propose and optimize a vertically-loaded diamond microdisk resonator (VLDMoRt) coupled to a nitrogen-vacancy (NV) center in diamond for efficient collection of zero-phonon-line emission into low numerical aperture (NA) free-space modes. The VLDMoRt achieves a Purcell enhancement of 172 with 39% of the emitted light collected within a NA of 0.6, leading to a total external spin-photon collection efficiency of 0.33. As the design is compatible with established nanofabrication techniques and couples to low-NA modes accessible by cryogenic free-space optical systems, it is a promising platform for efficient spin-photon interfaces based on diamond quantum emitters.</jats:p>
Date issued
2021
URI
https://hdl.handle.net/1721.1/144022
Department
Massachusetts Institute of Technology. Research Laboratory of Electronics; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
Optics Express
Publisher
The Optical Society
Citation
Duan, Yuqin, Chen, Kevin C, Englund, Dirk R and Trusheim, Matthew E. 2021. "A vertically-loaded diamond microdisk resonator spin-photon interface." Optics Express, 29 (26).
Version: Final published version
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