Cavity quantum electrodynamics (Cavity QED) is a unique system for many types of scientific investigation and provides an open quantum system with well-understood interactions, such as quantum optics, quantum information, and atomic optics etc. The strong coupling domain of Cavity QED establishes a nearly ideal setting for the pursuit of these goals.The field of quantum information processing has been simultaneously emerging along with this development and expansion of laser cooling and trapping. With the double-MOTs system which can probide the cold atoms source and clearer background for experiments of the Cavity QED. Cavity QED experiments have entered a new era in recent years, with the advent of single atom intracavity trapping. In particular, one or several trapped atoms strongly coupled to an optical cavity field could be used as nodes in a quantum network and quantum information can be transmitted from one node...
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