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Cavity quantum electrodynamics is a research field that studies electromagnetic fields in confined spaces and radiative properties of atoms in such fields. Experimentally, the simplest example of such system is a single atom interacting with modes of a high-finesse resonator. Theoretically, such system bears an excellent framework for quantum information processing in which atoms and light are interpreted as bits of quantum information and their mutual interaction provides a controllable entanglement mechanism. In this manuscript, I present several practical schemes for generation of multipartite entangled states for chains of atoms which pass through one or more high-finesse resonators. I describe in details all the individual steps which are required to realize the proposed schemes and, moreover, I discuss several techniques to reveal the non-classical correlations associated with generated small-sized entangled states.

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Denis Gonta, born in 1980, obtained his Doctoral degree from theUniversity of Heidelberg. He is currently working as a researcherat the Max Planck Institute for the Science of Light in Erlangen.The main interests of Dr. Gonta are the interfaces between thequantum optics and quantum information.

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