Title :
The alpha factor of a quantum cascade laser
Author :
Pereira, M.F. ; Nelander, R. ; Wacker, A.
Author_Institution :
Mater. & Eng. Res. Inst., Sheffield Hallam Univ., Sheffield
Abstract :
A nonequilibrium Keldysh Green´s functions formalism is used to calculate the linewidth enhancement factor (alpha-factor) of a quantum cascade laser under operating conditions.
Keywords :
Green´s function methods; laser beams; laser theory; quantum cascade lasers; alpha factor; linewidth enhancement factor; nonequilibrium Keldysh Green´s function formalism; quantum cascade laser; Equations; Green function; Green´s function methods; Optical refraction; Optical scattering; Optical variables control; Physics; Quantum cascade lasers; Temperature; Voltage;
Conference_Titel :
Numerical Simulation of Optoelectronic Devices, 2008. NUSOD '08. International Conference on
Conference_Location :
Nottingham
Print_ISBN :
978-1-4244-2307-1
DOI :
10.1109/NUSOD.2008.4668270
