Title :
Two-dimensional pump frequency study of THz generation in mid-infrared quantum cascade lasers
Author :
Yifan Jiang ; Vijayraghavan, Karun ; Demmerle, Frederic ; Boehm, Gerhard ; Amann, Markus C. ; Belkin, Mikhail A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
The dependence of THz difference-frequency generation in mid-infrared quantum cascade lasers on the position of mid-infrared pump frequencies is investigated. Experiments are performed at room-temperature using dual-diffraction-grating modified Littrow-type external cavity setup.
Keywords :
diffraction gratings; laser cavity resonators; optical frequency conversion; optical pulse generation; optical pumping; quantum cascade lasers; terahertz wave generation; THz difference-frequency generation; dual-diffraction-grating modified Littrow-type external cavity setup; midinfrared pump frequency; midinfrared quantum cascade lasers; room-temperature; temperature 293 K to 298 K; two-dimensional pump frequency; Cavity resonators; Frequency measurement; Gratings; Laser beams; Quantum cascade lasers; Resonant frequency; Tuning;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
