Spontaneous emission in light-atom interactions for atomic ensembles – Niels Bohr Institute - University of Copenhagen

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Spontaneous emission in light-atom interactions for atomic ensembles

In my thesis I have reviewed the Faraday interaction between a coherent light field and an atomic ensemble. The Faraday interaction is an important tool in the growing field of quantum information, which is widely used to perform quantum memory protocols. At the Niels Bohr Institute, Eugene Polzik's group has had succes with performing the direct mapping protocol based on the Faraday interaction. However so far there has not been a satisfactory description of the spontaneous emission that the system undergoes. In this work there is included the full level structure of the atoms and obtained a complete description of the decoherence from spontaneous emission.