DocumentCode
3280894
Title
Study of terahertz emission from bulk Gax In1−x As crystals photoexcited by femtosecond laser pulses
Author
Ko, Youngok ; Sengupta, Suranjana ; Dutta, Partha ; Tomasulo, Stephanie ; Wilke, Ingrid
Author_Institution
Dept. of Electr., Rensselaer Polytech. Inst., Troy, NY
fYear
2008
fDate
15-19 Sept. 2008
Firstpage
1
Lastpage
2
Abstract
We report the study of terahertz emission from bulk GaxIn1-xAs crystals as function of semiconductor properties. We demonstrate that both optical rectification and ultrafast photocurrents contribute to terahertz emission depending on the Ga mole fraction and microcrystal size.
Keywords
III-V semiconductors; gallium arsenide; gallium compounds; high-speed optical techniques; indium compounds; photoemission; rectification; submillimetre wave spectra; GaxIn1-xAs; femtosecond laser pulses; optical rectification; photoexcitation; semiconductor properties; terahertz emission; ultrafast photocurrents; Crystals; Fiber nonlinear optics; Nonlinear optics; Optical films; Optical pumping; Optical refraction; Optical surface waves; Photoconductivity; Stimulated emission; Ultrafast optics;
fLanguage
English
Publisher
ieee
Conference_Titel
Infrared, Millimeter and Terahertz Waves, 2008. IRMMW-THz 2008. 33rd International Conference on
Conference_Location
Pasadena, CA
Print_ISBN
978-1-4244-2119-0
Electronic_ISBN
978-1-4244-2120-6
Type
conf
DOI
10.1109/ICIMW.2008.4665844
Filename
4665844
Link To Document