Higher-Dimensional Quantum Cryptography

Bradley G. Christensen; Kevin T. McCusker; Daniel J. Gauthier; Daniel R. Kumor; Venkat Chandar; Paul G. Kwiat

doi:10.1364/QIM.2014.QW4A.7

Research in Optical Sciences
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper QW4A.7
•https://doi.org/10.1364/QIM.2014.QW4A.7

Higher-Dimensional Quantum Cryptography

Bradley G. Christensen, Kevin T. McCusker, Daniel J. Gauthier, Daniel R. Kumor, Venkat Chandar, and Paul G. Kwiat

Quantum Information and Measurement 2014

Messe Berlin, Berlin Germany
18–20 March 2014
ISBN: 978-1-55752-995-4

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Photonics III & QKD II (QW4A)

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B. G. Christensen, K. T. McCusker, D. J. Gauthier, D. R. Kumor, V. Chandar, and P. G. Kwiat, "Higher-Dimensional Quantum Cryptography," in Research in Optical Sciences , OSA Technical Digest (online) (Optica Publishing Group, 2014), paper QW4A.7.

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Abstract

We report on a high-speed quantum cryptography system with simultaneous entanglement in polarization and “time-bins”. We use multiple degrees of freedom and multiple spots on the downconversion cone to achieve 14 Mbits/s of secure key.

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