Performance Analysis of Free-space Quantum Key Distribution Using Multiple Spatial Modes

Wenhua He; Saikat Guha; Saikat Guha; Jeffrey H. Shapiro; Boulat A. Bash; Boulat A. Bash

doi:10.1364/CLEO_QELS.2021.FTu1N.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FTu1N.7
•https://doi.org/10.1364/CLEO_QELS.2021.FTu1N.7

Performance Analysis of Free-space Quantum Key Distribution Using Multiple Spatial Modes

Wenhua He, Saikat Guha, Jeffrey H. Shapiro, and Boulat A. Bash

CLEO: QELS_Fundamental Science 2021

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

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Quantum Engineering Challenges (FTu1N)

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W. He, S. Guha, J. H. Shapiro, and B. A. Bash, "Performance Analysis of Free-space Quantum Key Distribution Using Multiple Spatial Modes," 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 FTu1N.7.

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Abstract

We present a flat-top focused-beam spatial multiplexing scheme for quantum key distribution. It captures a significant fraction of the multiplexing rate gain in vacuum transmission, and outperforms OAM-bearing modes in turbulence.

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