Title :
Dilute nitride band engineering: A tool for intersubband gain without population inversion
Author :
M.F. Pereira;S. Tomić
Author_Institution :
Materials and Engineering Research Institute, Sheffield Hallam University, S1 1WB, United Kingdom IEEE
Abstract :
Interconduction band gain without global inversion is obtained by engineering conduction band dispersion relations with dilute N resonant centres. We recover the expected dispersive gain shape for similar masses and contrasting results if the effective masses characterizing the relevant subbands are very different.
Keywords :
"Quantum cascade lasers","Effective mass","Materials","Dispersion","Absorption","Educational institutions","Laser theory"
Conference_Titel :
Laser and Fiber-Optical Networks Modeling (LFNM), 2011 11th International Conference on
Print_ISBN :
978-1-61284-811-2
DOI :
10.1109/LFNM.2011.6144970
