Optimal receiver for quantum cryptography with two coherent states
arXiv:quant-ph/9901067 · doi:10.1016/S0375-9601(99)00015-8
Abstract
A setup for discriminating between arbitrary two coherent states of a single light mode with the highest success rate allowed by quantum mechanics is presented. Its application to time-multiplexed quantum key distribution is discussed.
6 pages, 2 figures. To appear in Phys. Lett. A
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