Quantum storage via refractive-index control
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Off-resonant Raman interaction of a single-photon wave packet and a classical control field in an atomic medium with controlled refractive index is investigated. It is shown that a continuous change of refractive index during the interaction leads to the mapping of a single photon state to a superposition of atomic collective excitations (spin waves) with different wave vectors and vice versa. The suitability of refractive-index control for developing multichannel quantum memories is discussed and possible schemes of implementation are considered. 2011 American Physical Society.
author list (cited authors)
Kalachev, A., & Kocharovskaya, O.
complete list of authors
Kalachev, Alexey||Kocharovskaya, Olga