Spatial-diversity detection of optical vortices for OAM signal modulation

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dc.coverageDOI: 10.1364/OL.397771
dc.creatorAnguita, Jaime
dc.creatorCisternas, Jaime
dc.date2020
dc.date.accessioned2025-11-18T19:40:42Z
dc.date.available2025-11-18T19:40:42Z
dc.description<p>We propose a method for identifying orbital angular momentum (OAM) states within a vortex superposition using a Shack-Hartmann (SH) sensor as a spatial-diversity detector. We define a local OAM at every pixel of the SH image, from which we construct an OAM spectrum. The topological charges are determined fromtheOAMspectrum using a low-complexity algorithm, resulting in estimates that are robust to beam wandering. Data from a 200 m experimental transmission are successfully tested using the proposed technique.</p>eng
dc.identifierhttps://investigadores.uandes.cl/en/publications/4cd5c8c6-6dde-4161-8bd9-f0e0bc6e4230
dc.identifier.urihttps://repositorio.uandes.cl/handle/uandes/51417
dc.languageeng
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.sourcevol.45 (2020) date: 2020-09-30 nr.19 p.5534-5537
dc.subjectLow complexity algorithm
dc.subjectOptical vortices
dc.subjectOrbital angular momentum
dc.subjectShack-Hartmann sensor
dc.subjectSignal modulations
dc.subjectSpatial diversity
dc.subjectTopological charges
dc.titleSpatial-diversity detection of optical vortices for OAM signal modulationeng
dc.typeArticleeng
dc.typeArtículospa
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