Special Section: Selected Papers from the First Joint Israeli-Turkish Workshop on Nanophotonics

Design of microcavity resonators for single-atom detection

[+] Author Affiliations
Michael Rosenblit

Ben-Gurion University

Peter Horak

University of Southampton

Eyal Fleminger, Yonathan Japha, Ron Folman

BGU

J. Nanophoton. 1(1), 011670 (December 27, 2007). doi:10.1117/1.2835450
History: Received July 15, 2007; Revised December 18, 2007; Accepted December 18, 2007; December 27, 2007; Online December 27, 2007
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Abstract

Whispering gallery modes of a microdisk resonator are useful for the optical detection of single rubidium and cesium atoms near the surface of a substrate. Light is coupled into two high-Q whispering-gallery modes of the disk which can provide attractive and/or repulsive potentials, respectively, via their evanescent fields. The sum potential, including van der Waals/Casimir-Polder surface forces, may be tuned to exhibit a minimum at distances on the order of 100 nm from the disk surface. Simultaneously optically trapping and detecting is possible, with the back-action of an atom held in this trap on the light fields being suffciently strong to provide a measurable effect. Atom trapping and detection depend on a variety of system parameters and experimental realizations differ for different atoms.

© 2007 Society of Photo-Optical Instrumentation Engineers

Topics

Resonators

Citation

Michael Rosenblit ; Peter Horak ; Eyal Fleminger ; Yonathan Japha and Ron Folman
"Design of microcavity resonators for single-atom detection", J. Nanophoton. 1(1), 011670 (December 27, 2007). ; http://dx.doi.org/10.1117/1.2835450


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