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American Journal of Physics

A simple optical demonstration of quantum cryptography using transverse position and momentum variables

D. S. Lemelle, Marcelo Pereira de Almeida, P. H. Souto Ribeiro, Stephen Patrick Walborn

Published May 12, 2006• 9 citations
Publisher

Abstract

We discuss a simple experiment illustrating the fundamentals of quantum cryptography. Our experiment is performed using novel complementary observables: the transverse position and momentum of photons. In the classical optics regime the experiment serves as an interesting and simple classroom demonstration of the principles of quantum key distribution.

DOI
10.1119/1.2198882

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We discuss a simple experiment illustrating the fundamentals of quantum cryptography. Our experiment is performed using novel complementary observables: the transverse position and momentum of photons. In the classical optics regime the experiment serves as an interesting and simple classroom demonstration of the principles of quantum key distribution.
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