Multiplexed entanglement-based quantum cryptography: concept and implementations

Martin Bohmann; Martin Bohmann; Evelyn Ortega; Evelyn Ortega; Johannes Pseiner; Johannes Pseiner; Lukas Achatz; Lukas Achatz; Lukas Bulla; Lukas Bulla; Krishna Dovzhik; Krishna Dovzhik; Rodrigo Shiozaki; Rodrigo Shiozaki; Rodrigo Shiozaki; Rupert Ursin; Rupert Ursin

doi:10.1364/CLEO_AT.2021.ATu1S.5

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper ATu1S.5
•https://doi.org/10.1364/CLEO_AT.2021.ATu1S.5

Multiplexed entanglement-based quantum cryptography: concept and implementations

Martin Bohmann, Evelyn Ortega, Johannes Pseiner, Lukas Achatz, Lukas Bulla, Krishna Dovzhik, Rodrigo Shiozaki, and Rupert Ursin

CLEO: Applications and Technology 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Quantum Communication (ATu1S)

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M. Bohmann, E. Ortega, J. Pseiner, L. Achatz, L. Bulla, K. Dovzhik, R. Shiozaki, and R. Ursin, "Multiplexed entanglement-based quantum cryptography: concept and implementations," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper ATu1S.5.

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Abstract

We introduce a general scheme for increasing secure key rates in entanglement-based cryptography exploiting multiple degrees of freedom. We experimentally exemplify this scheme through spatial and wavelength multiplexing. Scalability of our approach is demonstrated.

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