4.6 Article

Counterpropagating nematicons in bias-free liquid crystals

Journal

OPTICS EXPRESS
Volume 18, Issue 4, Pages 3258-3263

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.18.003258

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Funding

  1. Australian Research Council
  2. Qatar National Research Foundation [NPRP 25-6-7-2]

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We experimentally investigate the interaction of two counter-propagating spatial optical solitons (nematicons) in bias-free nematic liquid crystals. We demonstrate the existence of vector solitons composed of two nematicons propagating in opposite directions and analyze their stability versus relative distance and input power. We observe the dynamic instability of two counterpropagating nematicons in the form of time-dependent splitting and spatial entanglement. (C) 2010 Optical Society of America

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