CaltechAUTHORS
Published October 2014 | Published
Book Section - Chapter Open

High-dimensional Quantum Key Distribution with Photonic Orbital Angular Momentum

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

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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© 2014 Optical Society of America.

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