Abstract

We experimentally demonstrate a quantum cryptography system based on photonic orbital angular momentum. The system achieves a channel capacity of 2.1 bits per sifted photon through the use of a 7-dimensional alphabet for encoding information.

© 2014 Optical Society of America

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More Like This
The security of quantum key distribution using the orbital angular momentum states of light

Eliot Bolduc, Jonathan Leach, Daniel Gauthier, and Robert W. Boyd
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Mehul Malik, Malcolm O’Sullivan, and Robert W. Boyd
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Paula Andrea López, Yezid Torres Moreno, and William T. Rhodes
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