Title :
Photothermoelastic response of zincblende crystals to radiation from a THz-frequency quantum cascade laser
Author :
Dean, P. ; Awang, A.H. ; Kundu, I. ; Alhathlool, Raed ; Khanna, Suraj P. ; Li, L.H. ; Linfield, Edmund H. ; Davies, A. Giles
Author_Institution :
Sch. of Electron. & Electr. Eng., Univ. of Leeds, Leeds, UK
Abstract :
We investigate the photothermoelastic response of ZnTe and GaP crystals irradiated by THz-frequency radiation from a quantum cascade laser. We present a full theoretical description of this interaction that agrees well with the measured response.
Keywords :
II-VI semiconductors; III-V semiconductors; gallium compounds; laser beam effects; photoelasticity; thermoelasticity; wide band gap semiconductors; zinc compounds; GaP; GaP crystal; ZnTe; ZnTe crystal; photothermoelastic response; terahertz-frequency quantum cascade laser; terahertz-frequency radiation; zincblende crystals; Crystals; Frequency measurement; Frequency modulation; Laser beams; Measurement by laser beam; Quantum cascade lasers; Stress;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
Conference_Location :
Mainz
DOI :
10.1109/IRMMW-THz.2013.6665428
