Title :
Efficient photoconductive THz source with spatially shaped excitation
Author :
Polley, Arup ; Kim, Joong H. ; Ralph, Stephen E.
Author_Institution :
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
Reduced screening and improved efficiency in terahertz power generation are achieved by line excitation of photoconductive sources. Screening limitations are explored computationally to optimize the source with highest efficiency reported to date.
Keywords :
photoconducting devices; submillimetre wave generation; submillimetre waves; photoconductive THz source; screening; terahertz power generation; Charge carrier density; Gallium arsenide; Optical saturation; Optical scattering; Optical sensors; Photoconductivity; Power engineering and energy; Power engineering computing; Surface emitting lasers; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202328
