A conditional measurement scheme for the generation of maximally entangled bimodal field states

Anna Napoli

Song Xin-Guo, Feng Xun-Li

We present a scheme for generation of an entangled state in many spatially separated bimodal cavity modes via cavity quantum electrodynamics. A V-type three-level atom, initially prepared in a coherent superposition of its excited states, successively passes through both the bimodal cavities. If the atom is measured in its ground state after leaving the last cavity, an entangled state of many cavity modes can be generated. The conditions to generate the maximally entangled state with unity probability are worked out.

pNicolae A Enakip

Anna Napoli, Antonio Messina

A simple scheme for the generation of a class of maximally entangled two-mode field states is presented. Our proposal provides the possibility of manipulating the quantum coherence between the superposed states, simply varying an experimentally easily controllable parameter. The practical feasibility of the method here reported is carefully discussed.

M. Revzen

Peng Shi, Libo Chen, Yongjian Gu +1 more

We propose theoretical schemes to deterministically generate both qubit and qutrit maximally entangled states of atoms by passing two Rb87 atoms through a high-Q bimode cavity successively. The atomic spontaneous decay is efficiently suppressed because of large atom-cavity detuning in our schemes. Strict numerical simulation shows that, although the cavity decay exists unavoidably, our proposal is good enough to generate atomic maximal entanglements with high fidelity and within the current experimental technologies.