Title :
Temperature-dependent Gain and Loss in High Performance Quantum Cascade Lasers at 8.2 and 10.3μm
Author :
Zhijun Liu ; Silva, Gloria ; Paulose, J.J. ; Gmachl, Claire F.
Author_Institution :
Princeton Univ., Princeton
Abstract :
Temperature-dependent optical gain and waveguide loss were measured for Quantum Cascade lasers with wavelengths of ~8.2 and ~10.3 mum. The nature of the temperature dependence of the loss indicates an extra mechanism of resonant intersubband absorption.
Keywords :
gain measurement; optical loss measurement; quantum cascade lasers; thermo-optical effects; waveguide lasers; high-performance quantum cascade lasers; resonant intersubband absorption; temperature-dependent optical gain; waveguide loss; wavelength 10.3 mum; wavelength 8.2 mum; Gain measurement; Loss measurement; Optical losses; Optical waveguides; Performance gain; Performance loss; Quantum cascade lasers; Resonance; Temperature dependence; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453052
