Intersubband absorption line broadening in In0.53Ga0.47As/In0.52Al0.48As quantum wells: A pseudopotential calculation
β Scribed by Z Ikonic; G P Srivastava; J C Inkson
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 253 KB
- Volume
- 81
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Photocurrent spectra in an In 0.53 Ga 0.47 As/In 0.52 Al 0.48 As multi-quantum wells structure containing 9.4 nm wide wells were measured at room temperature in electric fields. The exciton peaks of ground-state transitions shifted fairly in 167 kV cm -1 as the quantum confined Stark effect. Stark s
We observed that a series of peaks, which were clearly extracted from a photocurrent difference spectrum, corresponded to interband optical transitions of an In 0.53 Ga 0.47 As/ In 0.52 Al 0.48 As multi-quantum wells structure. The nonparabolic tendency of the electron effective mass was suggested f