Hypergeometric-Gaussian modes

Discontinued Devices LC-R 3000 Spatial Light Modulators
Optical Communication Optical Trapping /-Tweezers
Published on:
Authors: Ebrahim Karimi, Gianluigi Zito, Bruno Piccirillo, Lorenzo Marrucci, and Enrico Santamato
Abstract:
“We studied a novel family of paraxial laser beams forming an overcomplete yet nonorthogonal set of modes. These modes have a singular phase profile and are eigenfunctions of the photon orbital angular momentum. The intensity profile is characterized by a single brilliant ring with the singularity at its center, where the field amplitude vanishes. The complex amplitude is proportional to the degenerate (confluent) hypergeometric function, and therefore we term such beams hypergeometric-Gaussian (HyGG) modes. Unlike the recently introduced hypergeometric modes [Opt. Lett. 32, 742 (2007)], the HyGG modes carry a finite power and have been generated in this work with a liquid-crystal spatial light modulator. We briefly consider some subfamilies of the HyGG modes as the modified Bessel Gaussian modes, the modified exponential Gaussian modes, and the modified Laguerre-Gaussian modes.”

Restricted Access

Publication: Optics Letters
Issue/Year: Optics Letters, Vol. 32, Issue 21, pp. 3053-3055
DOI: 10.1364/OL.32.003053
Link: https://doi.org/10.1364/OL.32.003053

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