Title :
Optical control processes in terahertz quantum-cascade laser waveguides
Author :
Kröll, J. ; Darmo, J. ; Tamousuinas, V. ; Fasching, G. ; Strasser, G. ; Unterrainer, K. ; Beck, M. ; Giovannini, M. ; Faist, J.
Author_Institution :
Photonics Inst., Vienna Univ. of Technol., Austria
Abstract :
An investigation of the optical control in the terahertz waveguide with quantum-cascade heterostructure is presented. Modulation in the waveguide is achieved by carrier plasma effect. In addition, we show an interaction of few cycle THz pulses with quantum cascade heterostructure.
Keywords :
high-speed optical techniques; optical waveguides; plasma interactions; plasma production by laser; quantum cascade lasers; submillimetre wave spectra; carrier plasma effect; few cycle THz pulses; optical control; quantum-cascade heterostructure; terahertz quantum-cascade laser waveguide; Frequency; Optical control; Optical pulse generation; Optical waveguides; Plasma measurements; Plasma waves; Quantum cascade lasers; Reflectivity; Surface emitting lasers; Waveguide lasers;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548885
