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A Michelson controlled-not gate with a single-lens astigmatic mode converter

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Abstract

Using a single lens design for a paraxial mode converter, we implement a controlled-not gate based on a Michelson interferometer in which the photon polarization acts as the control bit and the first order transverse mode as the target. We also build a parity sorter which can be useful for quantum information processing.

© 2011 Optical Society of America

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