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Opt Lett. 2011 Jan 15;36(2):184-6. doi: 10.1364/OL.36.000184.

Multimode nematicon waveguides.

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1
Nonlinear Physics Center, Research School of Physics and Engineering, The Australian National University, Canberra, Australian Capital Territory 0200, Australia. yvi124@rsphysse.anu.edu.au

Abstract

We report on the first (to our knowledge) experimental observation of higher-order modes guided by soliton-induced waveguides in nematic liquid crystals. We find that the nematicon waveguides operate in a bounded power region specific to each guided mode. Below this region, the guided beams diffract; above this region, the mode mixing and coupling give rise to an unstable output.

PMID:
21263494
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