Atom Detection and Photon Production in a Scalable, Open, Optical Microcavity

M. Trupke, J. Goldwin, B. Darquié, G. Dutier, S. Eriksson, J. Ashmore, E. Hinds

Research output: Contribution to journalArticlepeer-review

98 Citations (Scopus)

Abstract

A microfabricated Fabry-Perot optical resonator has been used for atom detection and photon production with less than 1 atom on average in the cavity mode. Our cavity design combines the intrinsic scalability of microfabrication processes with direct coupling of the cavity field to single-mode optical waveguides or fibers. The presence of the atom is seen through changes in both the intensity and the noise characteristics of probe light reflected from the cavity input mirror. An excitation laser passing transversely through the cavity triggers photon emission into the cavity mode and hence into the single-mode fiber. These are first steps toward building an optical microcavity network on an atom chip for applications in quantum information processing.
Original languageEnglish
JournalPhysical Review Letters
Volume99
Issue number6
DOIs
Publication statusPublished - 2007

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