Title :
Modifying the spectrum of terahertz pulses using a novel four-electrode photoconductive switch
Author :
Bieler, M. ; Hein, G. ; Siegner, U. ; Knobloch, P. ; Koch, M.
Author_Institution :
Phys. Tech. Bundesanstalt, Braunschweig, Germany
Abstract :
We present a novel four-electrode photoconductive switch which allows us to modify the photocurrent and the THz emission spectrum. These effects result from an appropriately chosen inhomogeneous electric field applied across the non-uniform carrier distribution.
Keywords :
high-speed optical techniques; infrared spectra; photoconducting switches; submillimetre wave generation; submillimetre wave spectra; THz emission spectrum; four-electrode switch; inhomogeneous electric field; nonuniform carrier distribution; photoconductive switch; photocurrent; spectrum modification; terahertz pulses;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6