Quantum techniques using continuous variables of light
N. Korolkova, Ch. Silberhorn, O. Gloeckl, S. Lorenz, Ch. Marquardt, G. Leuchs
Abstract
We present schemes for the generation and evaluation of continuous variable entanglement of bright optical beams and give a brief overview of the variety of optical techniques and quantum communication applications on this basis. A new entanglement-based quantum interferometry scheme with bright beams is suggested. The performance of the presented schemes is independent of the relative interference phase which is advantageous for quantum communication applications.
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