Conversion of a beam carrying fractionnal angular momentum in High-Harmonics Generation

Exotic light fields combining non-trivial spin and angular momentum may not be eigenstates of either the spin or orbital angular momenta operators. For these fields, it is relevant to define a Generalized Angular Momentum operator of which they are eigenvectors. Their associated eigenvalues can take...

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Main Authors: Guer Matthieu, Luttmann Martin, Vimal Mekha, Hergott Jean-François, Zelaquett Khoury Antonio, Hernández-García Carlos, Pisanty Emilio, Ruchon Thierry
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2023/13/epjconf_eosam2023_11005.pdf
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author Guer Matthieu
Luttmann Martin
Vimal Mekha
Hergott Jean-François
Zelaquett Khoury Antonio
Hernández-García Carlos
Pisanty Emilio
Ruchon Thierry
author_facet Guer Matthieu
Luttmann Martin
Vimal Mekha
Hergott Jean-François
Zelaquett Khoury Antonio
Hernández-García Carlos
Pisanty Emilio
Ruchon Thierry
author_sort Guer Matthieu
collection DOAJ
description Exotic light fields combining non-trivial spin and angular momentum may not be eigenstates of either the spin or orbital angular momenta operators. For these fields, it is relevant to define a Generalized Angular Momentum operator of which they are eigenvectors. Their associated eigenvalues can take, depending on the case, non-integer values. We report that this new quantity is conserved via non-linear phenomena, such as High Harmonic Generation.
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spelling doaj.art-3f750e58b080440e82258a564ab216fb2023-11-07T10:20:29ZengEDP SciencesEPJ Web of Conferences2100-014X2023-01-012871100510.1051/epjconf/202328711005epjconf_eosam2023_11005Conversion of a beam carrying fractionnal angular momentum in High-Harmonics GenerationGuer Matthieu0Luttmann Martin1Vimal Mekha2Hergott Jean-François3Zelaquett Khoury Antonio4Hernández-García Carlos5Pisanty Emilio6Ruchon Thierry7Université Paris-Saclay, CEA, CNRS, LIDYLUniversité Paris-Saclay, CEA, CNRS, LIDYLUniversité Paris-Saclay, CEA, CNRS, LIDYLUniversité Paris-Saclay, CEA, CNRS, LIDYLInstituto de Física, Universidade Federal FluminenseGrupo de Investigación en Aplicaciones del Láser y Fotónica, Departamento de Física Aplicada, University of SalamancaDepartment of Physics, King’s College LondonUniversité Paris-Saclay, CEA, CNRS, LIDYLExotic light fields combining non-trivial spin and angular momentum may not be eigenstates of either the spin or orbital angular momenta operators. For these fields, it is relevant to define a Generalized Angular Momentum operator of which they are eigenvectors. Their associated eigenvalues can take, depending on the case, non-integer values. We report that this new quantity is conserved via non-linear phenomena, such as High Harmonic Generation.https://www.epj-conferences.org/articles/epjconf/pdf/2023/13/epjconf_eosam2023_11005.pdf
spellingShingle Guer Matthieu
Luttmann Martin
Vimal Mekha
Hergott Jean-François
Zelaquett Khoury Antonio
Hernández-García Carlos
Pisanty Emilio
Ruchon Thierry
Conversion of a beam carrying fractionnal angular momentum in High-Harmonics Generation
EPJ Web of Conferences
title Conversion of a beam carrying fractionnal angular momentum in High-Harmonics Generation
title_full Conversion of a beam carrying fractionnal angular momentum in High-Harmonics Generation
title_fullStr Conversion of a beam carrying fractionnal angular momentum in High-Harmonics Generation
title_full_unstemmed Conversion of a beam carrying fractionnal angular momentum in High-Harmonics Generation
title_short Conversion of a beam carrying fractionnal angular momentum in High-Harmonics Generation
title_sort conversion of a beam carrying fractionnal angular momentum in high harmonics generation
url https://www.epj-conferences.org/articles/epjconf/pdf/2023/13/epjconf_eosam2023_11005.pdf
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