Title :
Theory of gain spectra for quantum cascade lasers in the limit of low carrier concentration
Author :
Gorfinkel, V. ; Luryi, S. ; Gelmont, B.
Author_Institution :
Dept. of Electr. Eng., State Univ. of New York, Stony Brook, NY, USA
Abstract :
Summary form only given. The output characteristics of recently discovered quantum cascade lasers (QCL) are rapidly improving. The pace of progress suggests an enormous potential for improvement of QCL performance, based on the very physics of these lasers. Here we estimate the limitations of QCL for high-temperature operation. Our calculations are based on the recent theory of the lineshape and the gain spectra in intersubband lasers.
Keywords :
carrier density; laser theory; physics; quantum well lasers; semiconductor device models; spectral line breadth; QCL performance; gain spectra; high-temperature operation; intersubband laser lineshape; lineshape; low carrier concentration; output characteristics; physics; quantum cascade lasers; quantum well lasers; Electron optics; Frequency; Laser theory; Optical pulses; Optical refraction; Optical scattering; Optical variables control; Quantum cascade lasers; Quantum mechanics; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 1996. CLEO '96., Summaries of papers presented at the Conference on
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-443-2
