C. Valverde,  A.T. Avelar, and B. Baseia

Universidade Paulista, Rod. BR 153, km 7, 74845-090 Goiˆania, GO, Brazil

Universidade Estadual de Goi´as, Rod. BR 153, 3105, 75132-903 An´apolis, GO, Brazil

Instituto de F´ısica, Universidade Federal de Goi´as, 74001-970 Goiˆania, GO, Brazil

Abstract: We propose a scheme to transmit information via the statistical distribution of excitations of a nanomechanical resonator. It employs a controllable coupling between this system and a Cooper pair box. The success probability and the fidelity are calculated and compared with those obtained in an atom-field system in different regimes. Addtionaly, the scheme can also be applied to prepare low excited Fock states.

Key words: quantum communication;quantum state engineering;superconducting circuits;nanomechanical resonator

Source: Chinese Physics B.2012, 21（3）