Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session F28: Quantum Information Science in Atomic, Molecular, and Optical Physics
11:30 AM–2:30 PM,
Tuesday, March 16, 2021
Sponsoring
Unit:
DAMOP
Chair: Kaden Hazzard, Rice Univ
Abstract: F28.00006 : High-quality diamond confined open microcavity for diamond-based photonics
12:30 PM–12:42 PM
Live
Presenter:
Sigurd Flagan
(University of Basel)
Authors:
Sigurd Flagan
(University of Basel)
Daniel Riedel
(University of Basel)
Brendan Shields
(University of Basel)
Viktoria Yurgens
(University of Basel)
Tomasz Jackubczyk
(University of Basel)
Patrick Maletinsky
(University of Basel)
Richard J. Warburton
(University of Basel)
In this work we present an open Fabry-Perot microcavity containing a high-quality single crystalline diamond membrane [1,2]. We operate in a so-called “diamond confined” geometry, where the vacuum electric field is strongly confined to the diamond. We obtain Q-factors exceeding 100.000 and a finesse of 11.500 despite the fact that the vacuum field has an anti-node at the diamond-air interface. We develop a model to describe the losses associated with the diamond membrane. Hence, operating in the diamond-confined geometry is a potential route to a strong light-matter coupling. With the current design, Purcell factors exceeding 150 are predicted.
1 Phys. Rev. X 7, 031040 (2017)
2 Phys. Rev. Appl. 13, 014036 (2020)
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