Abstract
We demonstrate both theoretically and experimentally that photonic lattices under self-defocusing nonlinearity support gap solitons in various shapes such as cross and H shapes. These solitons, with their intensity humps all in-phase, are stable against perturbations, thus they propagate robustly throughout the lattices. Based on this finding, we propose soliton-based text/image transmission through bulk photonic structures.
Funding Information
  • National Science Foundation (NSF)
  • Air Force Office of Scientific Research (AFOSR)
  • 973 Program of China

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