Observation of two-dimensional nonlocal gap solitons.
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We demonstrate, both theoretically and experimentally, the existence of nonlocal gap solitons in two-dimensional periodic photonic structures with defocusing thermal nonlinearity. We employ liquid-infiltrated photonic crystal fibers and show how the system geometry can modify the effective response of a nonlocal medium and the properties of two-dimensional gap solitons.
author list (cited authors)
Rasmussen, P. D., Bennet, F. H., Neshev, D. N., Sukhorukov, A. A., Rosberg, C. R., Krolikowski, W., Bang, O., & Kivshar, Y. S.