Ultra broadband flat dispersion tailoring on reversed-rib chalcogenide glass waveguide
Zhai Yanfen, Qi Renduo, Yuan Chenzhi, Zhang Wei†, , Huang Yidong
       

Dispersion profiles of the slot waveguides with different (a) slot thicknesses (Hs), (b) heights of groove (H1), (c) heights of the As2S3 layer (H2), (d) widths of groove (W1), and (e) heights of another As2S3 layer (H3).