Intrasubband and intersubband transitions in GaAs/AlxGa1-xAs multiple quantum wells
| Data(s) |
2007
|
|---|---|
| Resumo |
Infrared absorption in GaAs/AlxGa1-xAs multiple quantum wells is investigated using a polarizer. Two main peaks, with wave numbers 723 and 1092 cm(-1), are observed. The peak with wave number 1092 cm(-1) corresponds to the 0 -> 1 intersubband transition, while the other one corresponds to the intrasubband transition. The polarized absorbance is one order of magnitude higher than the unpolarized one. The authors attribute the intrasubband transition to the plasma oscillation in the quantum wells. |
| Identificador | |
| Idioma(s) |
英语 |
| Fonte |
Li, JM (Li, J. M.); Qian, KY (Qian, K. Y.); Zhu, QS (Zhu, Q. S.); Wang, ZG (Wang, Z. G.) .Intrasubband and intersubband transitions in GaAs/AlxGa1-xAs multiple quantum wells ,APPLIED PHYSICS LETTERS,APR 16 2007,90 (16):Art.No.162111 |
| Palavras-Chave | #半导体材料 #INFRARED PHOTODETECTORS |
| Tipo |
期刊论文 |
