Title :
Second-harmonic generation in GaAs-based quantum-cascade lasers grown on <100> substrates
Author :
Pflügl, C. ; Austerer, M. ; Schrenk, W. ; Strasser, G.
Author_Institution :
Zentrum fur Mikro und Nanostrukturen, Tech. Univ. Wien, Vienna, Austria
Abstract :
Emission of coherent light at 5.1 μm wavelength from GaAs-based quantum cascade lasers is reported. This was achieved by integrating nonlinear cascades with large second-order susceptibility in the active regions of the laser.
Keywords :
III-V semiconductors; gallium arsenide; quantum cascade lasers; 5.1 micron; GaAs; nonlinear cascades; quantum-cascade lasers; second-harmonic generation; second-order susceptibility;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20053388
