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Phys. Rev. A 57, R2293–R2296 (1998)

Cavity QED with high-Q whispering gallery modes

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D. W. Vernooy, A. Furusawa, N. Ph. Georgiades, V. S. Ilchenko*, and H. J. Kimble
Norman Bridge Laboratory of Physics 12-33, California Institute of Technology, Pasadena, California 91125

Received 18 December 1997; published in the issue dated April 1998

We report measurements of cavity-QED effects for the radiative coupling of atoms in a dilute vapor to the external evanescent field of a whispering-gallery mode (WGM) in a fused silica microsphere. The high Q (5×107), small mode volume (10-8 cm3), and unusual symmetry of the microcavity evanescent field enable velocity-selective interactions between fields with photon number of order unity in the WGM and NT∼1 atoms in the surrounding vapor.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.57.R2293
DOI:
10.1103/PhysRevA.57.R2293
PACS:
42.50.Ct

*Permanent address: Department of Physics, Moscow State University, Moscow 119899, Russia.

 
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