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APS » Journals » Phys. Rev. A » Volume 46 » Issue 3
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Phys. Rev. A 46, 1468–1487 (1992)

Resonantly enhanced refractive index without absorption via atomic coherence

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M. Fleischhauer, C. H. Keitel, and M. O. Scully
Center for Advanced Studies, University of New Mexico, Albuquerque, New Mexico 87131
Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131
Max-Planck-Institut für Quantenoptik, Garching, Germany W-8046

Chang Su, B. T. Ulrich, and Shi-Yao Zhu
Center for Advanced Studies, University of New Mexico, Albuquerque, New Mexico 87131
Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131

Received 13 December 1991; published in the issue dated August 1992

An enhancement of the index of refraction accompanied by vanishing absorption is shown to be possible in an ensemble of phase-coherent atoms (‘‘phaseonium’’). A survey of various possible schemes in which coherence is established by certain coherent or incoherent methods is given, and the main results are compared and contrasted. In particular, the influence of processes such as Doppler broadening that degrade coherence is discussed.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.46.1468
DOI:
10.1103/PhysRevA.46.1468
PACS:
42.65.An, 42.50.Md
 
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