Title :
Horn antennas for terahertz quantum cascade lasers
Author :
Amanti, M.I. ; Fischer, M. ; Walther, C. ; Scalari, G. ; Faist, J.
Author_Institution :
Inst. of Phys., Univ. of Neuchatel
Abstract :
Far-field pattern and extraction efficiency of double metal 1.8 THz quantum cascade lasers (QCL) are controlled using miniaturised horn antennas. Enhancement of the optical output power of ten times and quasi-circular beam pattern are obtained
Keywords :
antenna radiation patterns; horn antennas; quantum cascade lasers; submillimetre wave antennas; submillimetre wave lasers; 1.8 THz; horn antennas; optical output power; quasicircular beam pattern; terahertz quantum cascade lasers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20070450
