Frequency-Controlled Routing of Self-Confined Beams in Nematic Liquid Crystals

Armando Piccardi NooEL (NonLinear Optics and Optoelectronics Laboratory), University of Roma Tre, Rome, Italy

Alessandro Alberucci NooEL (NonLinear Optics and Optoelectronics Laboratory), University of Roma Tre, Rome, Italy

Oleksandr Buchnev School of Physics and Astronomy, University of Southampton, Southampton, United Kingdom

Malgosia Kaczmarek School of Physics and Astronomy, University of Southampton, Southampton, United Kingdom

Iam-Choon Khoo Department of Electrical Engineering, Pennsylvania State University, University Park, PA, USA

Gaetano Assanto NooEL (NonLinear Optics and Optoelectronics Laboratory), University of Roma Tre, Rome, Italy

Abstract

We demonstrate the electro-optic control of self-confined beams via frequency modulation in dual-frequency nematic liquid crystals. Proper design of comb electrodes in a planar cell allows the maximization of the overall steering angle when only walk-off variations are used. A span angle as large as two times the maximum walk-off angle is achieved.

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Frequency-Controlled Routing of Self-Confined Beams in Nematic Liquid Crystals

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