Design of a trapping potential for detecting single atoms by a microdisk resonator on a chip

Michael Rosenblit, Yonathan Japha, Peter Horak, Ron Folman

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We investigate simultaneous optical trapping and optical detection of a single Rb atom near the surface of a toroidal microdisk. Light is coupled into two high-Q whispering-gallery modes of the disk which provide attractive and repulsive potentials, respectively, via their evanescent fields. The sum potential including van-der-Waals and Casimir-Polder surface forces exhibits a minimum at distances of the order of 100 nm from the disk surface. The back-action of an atom held in this trap on the light fields is sufficiently strong to provide a measurable effect, We discuss atom trapping and detection properties in dependence on a variety of system parameters.

Original languageEnglish
Title of host publicationNanophotonics
DOIs
StatePublished - 9 Aug 2006
EventNanophotonics - Strasbourg, France
Duration: 3 Apr 20065 Apr 2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6195
ISSN (Print)0277-786X

Conference

ConferenceNanophotonics
Country/TerritoryFrance
CityStrasbourg
Period3/04/065/04/06

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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