Generation of a χ-type four-atom entangled state
Shen Hong-Wu, Wang Hong-Fu, Xin Ji, Zhang Shou · Chinese Physics B · 2009
This paper proposes a scheme to generate a new χ-type four-atom entangled state for the first time by using linear optics elements, four one-sided cavities (one three-level atom) and a conventional photon detector. The linear optical elements and conventional photon detector are simple and accessible in experiments, which makes the scheme more feasible with current technology. In addition, the state |χ003214 with probability 1 can be generated as long as there is no photon loss.