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Light induced angular steering via Floquet-Bloch band-tunnelling in one-dimensional liquid crystalline photonic lattices

1University Roma Tre

2Warsaw University of Technology

© 2007 Versita Warsaw. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. (CC BY-NC-ND 3.0)

Citation Information: Opto-Electronics Review. Volume 15, Issue 4, Pages 210–214, ISSN (Online) 1896-3757, DOI: 10.2478/s11772-007-0022-8, December 2007

Publication History

Published Online:


We investigate all-optical Zener tunnelling in electro-optically tunable arrays of identical channel waveguides in undoped nematic liquid crystals. By all-optically inducing a refractive acceleration, we demonstrate a novel technique for band-to-band tunnelling, as well as a novel approach to light controlled steering and readdressing.

Keywords: liquid crystals; photonic lattices; discrete propagation; Zener tunnelling

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