Quantum cloning in coupled states of optical field and atomic ensemble by quasi-condensation of polaritons

Details Quantum cloning in coupled states of optical field and atomic ensemble by quasi-condensation of polaritons Quantum cloning in coupled states of optical field and atomic ensemble by quasi-condensation of polaritons

2006-09-25

arxiv.org/abs/quant-ph/0609183v1

Journal of Russian Laser Research, Volume 27, Number 5 (2006) pp.482-491

Physics

Quantum Physics

11 pages, 1 postscript figure, uses iopart.cls

Scientific paper

We consider a new approach for storing quantum information by macroscopic atomic excitations of two level atomic system. We offer the original scheme of quantum cloning of optical field into the cavity polaritons containing the phase insensitive parametrical amplifier and atomic cell placed in the cavity. The high temperature quasi-condensation (and/or condensation) phenomenon for polaritons arising in the cavity under the certain conditions is proposed for the first time.

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