We present here an all-optical scheme for the experimental realization of a quantum phase gate. It is based on the polarization degree of freedom of two traveling single-photon wave packets and exploits giant Kerr nonlinearities that can be attained in coherently driven ultracold atomic media.
Polarization qubit phase gate in driven atomic media / C. Ottaviani; D. Vitali; M. Artoni; F.S. Cataliotti; P. Tombesi. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - (2003), pp. 197902-1-197902-4.
Polarization qubit phase gate in driven atomic media
CATALIOTTI, FRANCESCO SAVERIO;
2003
Abstract
We present here an all-optical scheme for the experimental realization of a quantum phase gate. It is based on the polarization degree of freedom of two traveling single-photon wave packets and exploits giant Kerr nonlinearities that can be attained in coherently driven ultracold atomic media.
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