Vortex nematicons in planar cells | Zendy

Ula A. Laudyn | Zendy; Michał Kwaśny | Zendy; Mirosław A. Karpierz | Zendy; Gaetano Assanto | Zendy

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Vortex nematicons in planar cells

Author(s) -

Ula A. Laudyn,

Michał Kwaśny,

Mirosław A. Karpierz,

Gaetano Assanto

Publication year - 2020

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.386422

Subject(s) - vortex , planar , optics , birefringence , physics , optical vortex , quantum nonlocality , liquid crystal , electric field , nonlinear optics , nonlinear system , condensed matter physics , laser , mechanics , quantum mechanics , quantum , computer graphics (images) , computer science , quantum entanglement

We provide experimental evidence that stable vortex-solitons in nematic liquid crystals, termed vortex nematicons, can be generated in planar cells without any external biases, neither electric nor magnetic. We report on nonlinear vortices with extraordinary-wave beams in various undoped samples, pin-pointing how material nonlocality and birefringence aid their stable propagation. Finally, we also demonstrate confinement and waveguiding of an incoherent co-polarized probe signal by the nonlinear vortex.

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