Multiple spatial modes based QKD over marine free-space optical channels in the presence of atmospheric turbulence

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9 Scopus citations

Abstract

We investigate a multiple spatial modes based quantum key distribution (QKD) scheme that employs multiple independent parallel beams through a marine free-space optical channel over open ocean. This approach provides the potential to increase secret key rate (SKR) linearly with the number of channels. To improve the SKR performance, we describe a back-propagation mode (BPM) method to mitigate the atmospheric turbulence effects. Our simulation results indicate that the secret key rate can be improved significantly by employing the proposed BPM-based multi-channel QKD scheme.

Original languageEnglish (US)
Pages (from-to)27663-27673
Number of pages11
JournalOptics Express
Volume24
Issue number24
DOIs
StatePublished - Nov 28 2016

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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