Title :
Inefficient coherent carrier transport in quantum cascade lasers at high temperature
Author :
Talukder, Muhammad A. ; Menyuk, Curtis R.
Author_Institution :
Dept. of Comput. Sci. & Electr. Eng., Univ. of Maryland Baltimore County, Baltimore, MD, USA
Abstract :
We show that coherent carrier transport in quantum cascade lasers (QCLs) decreases as temperature increases due to a corresponding decrease in the quantum coherence time between the injector and active region levels.
Keywords :
carrier mobility; high-temperature effects; light coherence; quantum cascade lasers; coherent carrier transport; high-temperature quantum cascade lasers; quantum coherence; thermal effects; Charge carrier density; Coherence; Land surface temperature; Neodymium; Quantum cascade lasers; Temperature dependence;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
