Single-atom detection in high-Q multimode cavities

P. Domokos, M. Gangl, H. Ritsch

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We propose a new method for detecting and monitoring the motion of a single atom in high-Q optical resonators based on the position sensitive dispersive coupling of different field modes. Using sufficient atom-field detuning the irreversible evolution of the internal state and external motion of the atom can be kept small still allowing for a fast and reliable detection. As an implementation we discuss the case of two counterpropagating modes in a microscopic ring resonator with spatially localized output coupler. The analytical estimates yielding 100% signal contrast for suitable parameters are then confirmed by numerical solution of the time-dependent equations for the coupled atom-cavity dynamics.

Original languageEnglish
Pages (from-to)115-123
Number of pages9
JournalOptics Communications
Volume185
Issue number1-3
DOIs
Publication statusPublished - Nov 1 2000

Fingerprint

Q factors
Atoms
cavities
atoms
Optical resonators
optical resonators
couplers
Resonators
resonators
Monitoring
output
rings
estimates

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Single-atom detection in high-Q multimode cavities. / Domokos, P.; Gangl, M.; Ritsch, H.

In: Optics Communications, Vol. 185, No. 1-3, 01.11.2000, p. 115-123.

Research output: Contribution to journalArticle

Domokos, P. ; Gangl, M. ; Ritsch, H. / Single-atom detection in high-Q multimode cavities. In: Optics Communications. 2000 ; Vol. 185, No. 1-3. pp. 115-123.
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