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"Storage of Light" and Huge Variations of Light Group Velocity in Coherently Prepared Atomic Media

Dr. Alexander Akulshin

School of Physics, University of Melbourne

3.30pm, Friday 13 July 2001, Seminar Room (AR103), Graduate Research School

The coherent superposition of atomic states induced by resonant radiation is responsible for a dramatic modification of the dispersive properties of an atomic medium. It makes possible light propagation with ultra-slow or infinitively large positive as well as negative light group velocity. This subject is currently attracting considerable attention because of important fundamental aspects and promising applications, including quantum information processing.

Recent experiments and consequences on light-pulse propagation through coherently prepared media with extraordinarily steep normal or anomalous dispersion will be reviewed and discussed.

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