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

The effective area Aeff (blue circles) and the nonlinear coefficient γe (black squares) of the fundamental quasi-TM mode in the proposed reversed-rib waveguide with a slot. The structure parameters used in the calculation are the same as those used in Fig. 2.