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Electric field effects on nonlinear optical rectification in symmetric coupled AlxGa1−xAs/GaAs quantum wells.
- Source :
-
Thin Solid Films . Sep2018, Vol. 662, p27-32. 6p. - Publication Year :
- 2018
-
Abstract
- Nonlinear optical rectification in symmetric coupled Al x Ga 1−x As/GaAs quantum wells with external electric field is investigated using numerical method and compact density matrix approach. Our results reveal that for the resonant peaks of optical rectification, a blue shift is exhibited for increasing electric field, while a red shift followed by a blue shift is exhibited for increasing barrier or well widths. The resonant peak values of optical rectification can reach a maximum value by an appropriate choice for the electric field, the barrier or well widths. Our studies pave the way for the design, optimization and applications of quantum-sized nonlinear optoelectronic devices. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00406090
- Volume :
- 662
- Database :
- Academic Search Index
- Journal :
- Thin Solid Films
- Publication Type :
- Academic Journal
- Accession number :
- 131236042
- Full Text :
- https://doi.org/10.1016/j.tsf.2018.07.026