High-dimensional Quantum Key Distribution with Photonic Orbital Angular Momentum

Creators: Mirhosseini, Mohammad; Magaña-Loaiza, Omar S.; O'Sullivan, Malcolm N.; Rodenburg, Brandon; Malik, Mehul; Lavery, Martin P. J.; Padgett, Miles J.; Gauthier, Daniel J.; Boyd, Robert W.

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.

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Published - FiO-2014-FM4E.4.pdf

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