Title :
Silicon Thin Film on SiO2: an Efficient Broadband Terahertz Generator
Author :
Mu, Xiaodong ; Ding, Yujie J. ; Zotova, Yuliya B.
Author_Institution :
Lehigh Univ., Bethlehem
Abstract :
Silicon thin film on SiO2 was used for efficient generation of broadband terahertz pulses. The THz output power as a function of pump polarization and as a function of bias for different pump powers were measured. The mechanism for the THz generation is assigned to photocurrent surge.
Keywords :
elemental semiconductors; optical pulse generation; optical pumping; photoconductivity; semiconductor thin films; silicon; submillimetre wave generation; Si-SiO2; THz output power; bias; broadband terahertz pulse generation; photocurrent surge; pump polarization; pump powers; silicon thin film; Frequency; Laser excitation; Optical pulse generation; P-i-n diodes; Polarization; Power generation; Power measurement; Semiconductor films; Semiconductor thin films; Silicon;
Conference_Titel :
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE
Conference_Location :
Lake Buena Vista, FL
Print_ISBN :
978-1-4244-0925-9
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2007.4382617
