Title :
Photoconductive terahertz source with array feed for enhanced emission
Author :
Knotts, Michael E. ; Denison, Douglas R.
Author_Institution :
Georgia Tech Res. Inst., Atlanta, GA
Abstract :
Charge screening limits the output power of photoconductive sources of terahertz-frequency (far-infrared) radiation. We demonstrate a means of obtaining a significant increase in output power using a coherent array of two sources operated near saturation.
Keywords :
infrared sources; photoconducting devices; submillimetre wave generation; array feed; charge screening; coherent array; enhanced emission; far-infrared radiation; photoconductive source; terahertz source; terahertz-frequency radiation; Feeds; Lighting; Optical pulse generation; Optical pulses; Optical pumping; Optical saturation; Optical variables control; Photoconductivity; Pulse measurements; Ultrafast optics; (300.6270) Spectroscopy, far infrared; (320.7130) Ultrafast processes in condensed matter, including semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628613
