Metasurface measuring twisted light in turbulence

Thomas Dinter, Lucca Kühner, Chenhao Li, Thomas Weber, Andreas Tittl, Stefan A. Maier, Judith M. Dawes, Haoran Ren*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

Abstract

Practical free-space communication systems suffer from turbulence-induced phase distortions to propagating beams, destroying the orthogonality of orbital angular momentum (OAM) modes used for space-division multiplexing and introducing modal crosstalk. Here we present the design and use of an ultrathin OAM mode-sorting metasurface for investigating the deterioration of OAM orthogonality under different turbulence conditions, offering a compact, fast and efficient way to measure the OAM spectrum.

Original languageEnglish
Title of host publicationCLEO-PR 2022
Subtitle of host publicationProceedings of the 2022 Conference on Lasers and Electro-Optics Pacific Rim
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages2
ISBN (Electronic)9798350350012
DOIs
Publication statusPublished - 2022
Event2022 Conference on Lasers and Electro-Optics Pacific Rim - Sapparo, Japan
Duration: 31 Jul 20225 Aug 2022

Conference

Conference2022 Conference on Lasers and Electro-Optics Pacific Rim
Abbreviated titleCLEO-PR 2022
Country/TerritoryJapan
CitySapparo
Period31/07/225/08/22

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