Hot-embossing fabrication of chalcogenide glasses rib waveguide for mid-infrared molecular sensing

Yan Ting-Yang^{1, 2}, Shen Xiang^{1, 2, †}, Wang Rong-Ping³, Wang Guo-Xiang^{1, 2}, Dai Shi-Xun^{1, 2}, Xu Tie-Feng^{1, 2}, Nie Qiu-Hua^{1, 2}

SEM images of rib waveguides in the chalcogenide glass sample, showing the cross-sectional view of (a) the corresponding embossed rib waveguide and the top view (with a slight angle) of (b) the corresponding embossed glass rib waveguide. (Lian et al. 2009).^[22]