Title :
Single-mode GeSn mid-infrared waveguides on group-IV substrates
Author :
Xiaodong Yang ; Fei Cheng ; Soref, Richard
Author_Institution :
Dept. of Mech. & Aerosp. Eng., Missouri Univ. of Sci. & Technol., Rolla, MO, USA
Abstract :
We design low-loss single-mode GeSn mid-infrared waveguides on group-IV substrates including Si substrates and Ge-on-SOI substrates. The waveguide geometries under single mode condition are optimized for different GeSn alloy compositions and polarizations.
Keywords :
elemental semiconductors; germanium; germanium alloys; optical waveguides; silicon; silicon-on-insulator; substrates; tin alloys; Ge-Si; Ge-on-SOI substrates; GeSn; Si; Si substrates; alloy compositions; group-IV substrates; low-loss single-mode GeSn mid-infrared waveguides; polarizations; single mode condition; waveguide geometries; Optical waveguides; Photonics; Propagation losses; Silicon; Substrates; Tin;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
