Title :
Demonstration of free space transmission from a THz quantum cascade laser to a quantum well detector
Author :
Grant, P.D. ; Dudek, R. ; Laframboise, S. ; Graf, M. ; Wasilewski, Z.R. ; Liu, H.C.
Author_Institution :
Inst. for Microstruct. Sci., Nat. Res. Council of Canada, Ottawa, ON, Canada
Abstract :
A demonstration of a THz free space transmitter/receiver link using only 2 quantum well semiconductor devices is described. A GaAs/AlGaAs QCL operating at 3.8 THz was used to transmit music to a GaAs/AlGaAs QW detector through an air pah of 2 meters.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; gallium compounds; optical links; quantum cascade lasers; terahertz wave detectors; wide band gap semiconductors; GaAs-AlGaAs; distance 2 m; free space transmission; frequency 3.8 THz; quantum cascade laser; quantum well detector; quantum well semiconductor devices; Quantum cascade lasers;
Conference_Titel :
Sensors, 2009 IEEE
Conference_Location :
Christchurch
Print_ISBN :
978-1-4244-4548-6
Electronic_ISBN :
1930-0395
DOI :
10.1109/ICSENS.2009.5398567
