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 :
current density; laser theory; quantum optics; quantum well lasers; spectral line breadth; spectroscopy; gain spectra; high-temperature operation; intersubband lasers; lineshape; low carrier concentration; output characteristics; physics; quantum cascade lasers; Electron optics; Kinetic energy; Laser theory; Lattices; Optical refraction; Optical scattering; Optical variables control; Particle scattering; Quantum cascade lasers; Quantum mechanics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 1996. QELS '96., Summaries of Papers Presented at the
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-444-0
