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NATO science series. Series II, Mathematics, physics and chemistry

Multiatom and Multiphoton Entanglement

David Petrosyan, Lilian Childress, Gagik Yu. Kryuchkyan, Alexander I. Lvovsky, Yu. P. Malakyan, Philip John Walther

Published Jan 1, 2005• 0 citations
Publisher
DOI
10.1007/1-4020-3283-8_5

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We investigate simultaneous multiphoton-multiatom (MPMA) processes in atomic gases subjected to laser fields. Our study reveals that the composite factor governing the transition rate of these processes can reach extraordinarily high magnitudes, with an intrinsic regulation mechanism causing the rate to exhibit near-saturation behavior. By integrating an MPMA process into an ultraweak atomic absorption transition, a substantial enhancement of the overall transition rate can be achieved. This enhancement enables the detection of transitions that would otherwise remain undetectable, thereby opening new avenues for exploring ultraweak quantum phenomena in atomic systems.