Title :
Impacts of side strips and ridge width on terahertz quantum cascade lasers with metal-metal waveguides
Author :
Xu, Changsheng ; Ferre, S. ; Ban, D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Waterloo, Waterloo, ON, Canada
Abstract :
Effects of side uncovered strips and ridge width on terahertz quantum cascade laser performance are investigated numerically and experimentally. Results show substantial performance degradation with shrinking ridge width. An optimal strip width is obtained.
Keywords :
microwave photonics; numerical analysis; quantum cascade lasers; waveguide lasers; metal-metal waveguides; ridge width; side uncovered strips; strip width; terahertz quantum cascade laser; Gallium arsenide; Optical device fabrication; Optical losses; Optical waveguides; Quantum cascade lasers; Strips; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
