BB84 Quantum Key Distribution Without a Shared Reference Frame

C. E. R. Souza; C. V. S. Borges; A. Z. Khoury; J. A. O. Huguenin; L. Aolita; S. P. Walborn

doi:10.1364/ICQI.2008.JMB56

International Conference on Quantum Information
(Optica Publishing Group, 2008),
paper JMB56
•https://doi.org/10.1364/ICQI.2008.JMB56

BB84 Quantum Key Distribution Without a Shared Reference Frame

C. E. R. Souza, C. V. S. Borges, A. Z. Khoury, J. A. O. Huguenin, L. Aolita, and S. P. Walborn

International Conference on Quantum Information 2008

Boston, Massachusetts United States
13–16 July 2008
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C. E. R. Souza, C. V. S. Borges, A. Z. Khoury, J. A. O. Huguenin, L. Aolita, and S. P. Walborn, "BB84 Quantum Key Distribution Without a Shared Reference Frame," in International Conference on Quantum Information, (Optica Publishing Group, 2008), paper JMB56.

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Abstract

We report a simple quantum key distribution experiment in which Alice and Bob do not need to share a common polarization direction in order to send information. Logical qubits are encoded into non-separable states of polarization and first-order transverse spatial modes of the same photon.

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