Title :
Terahertz spectroscopy of germanium quantum wells on silicon substrate for terahertz photonics
Author :
Ortolani, M. ; Virgilio, M. ; Pizzi, G. ; Grosso, G. ; Teich, M. ; Winnerl, S. ; Helm, M. ; Capellini, G. ; De Seta, M.
Author_Institution :
Dept. of Phys., Sapienza Univ. of Rome, Rome, Italy
Abstract :
We measured the absorption coefficient and the non-radiative lifetime of intersubband transitions in Germanium quantum wells by steady-state and pump-probe terahertz spectroscopy.
Keywords :
electron beams; millimetre wave tubes; slow wave structures; submillimetre wave tubes; beam-wave interaction; circular electron beam; electromagnetic characteristics; folded rectangular groove guide; lower ohmic loss; sheet electron beam; slow-wave structure; submillimeter-wave TWT; traveling wave tube; Phonons; Physics; Silicon; Spectroscopy; Substrates; Temperature measurement;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380280
