Trapping and detection of single atoms using a spherical mirror
Arpan Roy, Andrew Bah Shen Jing, Murray D. Barrett
TL;DR
This paper presents the design and implementation of a miniature spherical mirror that enables efficient trapping and detection of single neutral atoms by focusing the optical dipole trap and collecting fluorescence into an optical fiber.
Contribution
It introduces a novel spherical mirror fabrication process and demonstrates its integration for high-efficiency single atom trapping and fluorescence collection.
Findings
Successful trapping and detection of single atoms
High collection efficiency of atomic fluorescence
Predictive modeling of mirror dimensions
Abstract
We fabricate a miniature spherical mirror for tightly focusing an optical dipole trap for neutral atoms. The mirror formation process is modelled to predict the dimensions for particular fabrication parameters. We integrate the spherical mirror with a neutral atom experiment to trap and detect a single atom with high efficiency. The mirror serves the dual purpose of focusing the dipole trap as well as collection of the atomic fluorescence into an optical fibre.
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