Remote Generation of Entanglement for Individual Atoms via Optical Fibres
Yanqing Guo, Zhong Hai-yang, Yinghui Zhang, He‐Shan Song · Chinese Physics Letters · 2008
The generation of atomic entanglement is discussed in a system that atoms are trapped in separate cavities which are connected via optical fibres. Two distant atoms can be projected to Bell-state by synchronized turning off of the local laser fields and then performing a single quantum measurement by a distant controller. The distinct advantage of this scheme is that it works in a regime where Δ ≈ κ ≫ g, which makes the scheme insensitive to cavity strong leakage. Moreover, the fidelity is not affected by atomic spontaneous emission.