Publication details

Highly non-Gaussian states created via cross-Kerr nonlinearity

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Year of publication 2008
Type Article in Periodical
Magazine / Source New Journal of Physics
MU Faculty or unit

Faculty of Science

Field Theoretical physics
Keywords non-Gaussian states; Kerr nonlinearity; feedforward;
Description We propose a feasible scheme for generation of strongly non-Gaussian states using the cross-Kerr nonlinearity. The resultant states are highly non-classical and exhibit negativity of their Wigner function, sub-Poissonian photon statistics and photon number squeezing. We show that creating and detecting such states should be possible with the present technology using electromagnetically induced transparency in a four-level atomic system.
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