Title :
THz generation in a photo-activated periodically-biased semiconductor
Author :
Peñano, Joseph ; Sprangle, Phillip ; Gordon, Daniel ; Hafizi, Bahman ; Zigler, Arie
Author_Institution :
Naval Res. Lab., Washington, DC, USA
Abstract :
A high-intensity short laser pulse, propagating obliquely to the surface of a periodically biased semiconductor array can photo-ionize the medium and generate a periodic current density. The transient current density can be a source of THz radiation over a wide frequency range.
Keywords :
current density; laser beam effects; photoionisation; semiconductors; terahertz wave generation; high-intensity short laser pulse; periodic current density; periodically biased semiconductor array; photoactivated periodically-biased semiconductor; photoionization; terahertz generation; terahertz radiation source; transient current density; Arrays; Cadmium; Current density; Electric fields; Semiconductor laser arrays; Surface emitting lasers; USA Councils;
Conference_Titel :
Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-6655-9
DOI :
10.1109/ICIMW.2010.5612734
