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Free-space communication through turbulence: a comparison of plane-wave and orbital-angular-momentum encodings

Mirhosseini, Mohammad and Rodenburg, Brandon and Malik, Mehul and Boyd, Robert W. (2014) Free-space communication through turbulence: a comparison of plane-wave and orbital-angular-momentum encodings. Journal of Modern Optics, 61 (1). pp. 43-48. ISSN 0950-0340. https://resolver.caltech.edu/CaltechAUTHORS:20190708-151341518

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Abstract

Free-space communication allows one to use spatial mode encoding, which is susceptible to the effects of diffraction and turbulence. Here, we discuss the optimum communication modes of a system while taking such effects into account. We construct a free-space communication system that encodes information onto the plane-wave (PW) modes of light. We study the performance of this system in the presence of atmospheric turbulence, and compare it with previous results for a system employing orbital-angular-momentum (OAM) encoding. We are able to show that the PW basis is the preferred basis set for communication through atmospheric turbulence for a system with a large Fresnel number product. This study has important implications for high-dimensional quantum key distribution systems.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1080/09500340.2013.834084DOIArticle
https://arxiv.org/abs/1304.0709arXivDiscussion Paper
ORCID:
AuthorORCID
Rodenburg, Brandon0000-0003-2150-0576
Boyd, Robert W.0000-0002-1234-2265
Additional Information:© 2014 Informa UK. Received 01 Mar 2013, Accepted 07 Aug 2013, Published online: 04 Oct 2013. We would like to thank Stephen Barnett, David Miller, and Daniel Gauthier for helpful discussions. This work was supported by the DARPA/DSO InPho program and the Canadian Excellence Research Chair (CERC) program.
Funders:
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Canada Research Chairs ProgramUNSPECIFIED
Subject Keywords:free-space optical communication, optical vortices, quantum communications, quantum key distribution
Issue or Number:1
Record Number:CaltechAUTHORS:20190708-151341518
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190708-151341518
Official Citation:Mohammad Mirhosseini, Brandon Rodenburg, Mehul Malik & Robert W. Boyd (2014) Free-space communication through turbulence: a comparison of plane-wave and orbital-angular-momentum encodings, Journal of Modern Optics, 61:1, 43-48, DOI: 10.1080/09500340.2013.834084
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96910
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:15 Jul 2019 17:14
Last Modified:03 Oct 2019 21:26

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