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Conferences > ICQI > 2007 > IFE > IFE3

Quantum Key Distribution with Bright Twin Beams

K. N. Cassemiro, A. S. Villar, J. E. S. Cesar, N. K. Bernardes, M. Martinelli, and P. Nussenzveig

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Abstract

We have implemented quantum key distribution with bright twin beams produced by an optical parametric oscillator. Switching between amplitude and phase quadrature measurements is done by self-homodyne detection without local oscillators.

© 2007 Optical Society of America

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