TY - DATA T1 - Phase dependence of the variance 〈(δX+)2〉 for s = 5, q = (0, 0.2, 0.5, 1, 5, 10) PY - 2013/09/05 AU - Qing Xu AU - Xiangming Hu UR - https://iop.figshare.com/articles/figure/_Phase_dependence_of_the_variance_em_X_em_sub_sub_sup_2_sup_for_em_s_em_5_em_q_em_0_0_2_0_5_1_5_10_/1012774 DO - 10.6084/m9.figshare.1012774.v1 L4 - https://ndownloader.figshare.com/files/1480597 KW - figure KW - quantum information KW - quantum networking KW - phi KW - frac KW - interaction KW - reservoir mechanism KW - pm KW - Atomic Physics KW - Molecular Physics N2 - Figure 7. Phase dependence of the variance 〈(δX+)2〉 for s = 5, q = (0, 0.2, 0.5, 1, 5, 10). (a) Φ = 0 (the same as in figure 5(d) and given for the sake of comparison), (b) \Phi =\pm \frac{\pi }{4}, (c) \Phi =\pm \frac{\pi }{2} and (d) Φ = π. Different from the case in figure 6, the present case has squeezing and entanglement even when Φ = π. Abstract We show that it is possible to use an atom–cavity reservoir to prepare the two-mode squeezed and entangled states of a hybrid system of an atomic ensemble and an optical field, which do not directly interact with each other. The essential mechanism is based on the combined effect of a two-mode squeezing interaction and a beam–splitter interaction between the system and the reservoir. The reservoir mechanism is important for quantum networking in that it allows an interface between a localized matter-based memory and an optical carrier of quantum information without direct interaction. ER -