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International Journal of Theoretical Physics

The Interaction of a N-Type Four Level Atom with the Electromagnetic Field for a Kerr Medium Induced Intensity-Dependent Coupling

Anas Othman, David O. Yevick

Published Sep 29, 2017• 3 citations
Publisher
DOI
10.1007/s10773-017-3550-0

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We propose a scheme for inducing a blazed transmission grating in a four-level, NNN-type atomic medium under electromagnetically induced transparency (EIT). The blazed grating relies on the giant Kerr nonlinearity that the atomic medium exhibits under EIT. The grating is created using an intensity mask in one of the driving optical fields and only weak fields with intensities below saturation level are involved. Diffraction efficiencies of a resonant probe beam close to 100100%100 are predicted.