Q-plates micro-arrays for parallel processing of the photon orbital angular momentum | Zendy

Charles Loussert | Zendy; Kateryna Kushnir | Zendy; Etienne Brasselet | Zendy

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Q-plates micro-arrays for parallel processing of the photon orbital angular momentum

Author(s) -

Charles Loussert,

Kateryna Kushnir,

Etienne Brasselet

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4895706

Subject(s) - angular momentum , optical vortex , orbital angular momentum of light , physics , photon , angular momentum of light , realization (probability) , optics , electric field , orbital angular momentum multiplexing , total angular momentum quantum number , anisotropy , spin (aerodynamics) , vortex , liquid crystal , angular momentum coupling , classical mechanics , quantum mechanics , statistics , mathematics , thermodynamics

International audienceWe report on the realization of electrically tunable micro-arrays of space-variant optically anisotropic optical vortex generators. Each individual light orbital angular momentum processor consists of a microscopic self-engineered nematic liquid crystal q-plate made of a nonsingular topological defect spontaneously formed under electric field. Both structural and optical characterizations of the obtained spin-orbit optical interface are analyzed. An analytical model is derived and results of simulations are compared with experimental data. The application potential in terms of parallel processing of the optical orbital angular momentum is quantitatively discussed

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