Multimode nematicon waveguides
Yana V. Izdebskaya, Anton S. Desyatnikov, Gaetano Assanto, and Yuri S., Kivshar
TL;DR
This paper reports the first experimental observation of higher-order modes guided by soliton-induced waveguides in nematic liquid crystals, revealing mode-specific power regions and stability conditions.
Contribution
It presents the first experimental demonstration of higher-order mode guidance in nematicon waveguides, highlighting mode-specific power thresholds and stability behaviors.
Findings
Higher-order modes are guided by nematicon waveguides.
Guided modes operate within specific power regions.
Mode mixing and coupling cause instability outside these regions.
Abstract
We report on the first experimental observation of higher-order modes guided by soliton-induced waveguides in unbiased 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 it the mode mixing and coupling give rise to an unstable output.
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