Title :
Efficient photoconductive terahertz generation using a radio frequency bias
Author :
Zhang, Haipeng ; Wahlstrand, Jared K. ; Choi, SooBong ; Cundiff, Steven T.
Author_Institution :
Nat. Inst. of Stand. & Technol., Univ. of Colorado, Boulder, CO, USA
Abstract :
An efficient photoconductive THz source is described that uses a rapidly oscillating, high voltage bias across electrodes insulated from the GaAs sample. The resulting uniform field enables excitation with a large laser spot.
Keywords :
III-V semiconductors; gallium arsenide; optical pulse generation; photoconducting devices; terahertz wave generation; GaAs; electrodes; femtosecond laser pulses; photoconductive THz source; photoconductive terahertz generation; photoexcitation; radiofrequency bias; Electrodes; Optical pulses; Optical pumping; Optical saturation; Radio frequency; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
