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Shahzadeh M, Sabaeian M. Comparison of intersubband eigen-energies, envelop functions, transition lifetime, and linear absorption between pyramid-shaped InAs/GaAs quantum dot and pyramid-shaped InAs/In0.2Ga0.8As/GaAs Quantum Dot-in-a-Well (DWELL). ICOP & ICPET _ INPC _ ICOFS 2014; 20 :1569-1572
URL: http://opsi.ir/article-1-76-en.html
URL: http://opsi.ir/article-1-76-en.html
1- Shahid Chamran University of Ahvaz
Abstract: (5822 Views)
In this work, Schrodinger equation was solved in the framework of effective mass approximation for an electron in conduction band of InAs/GaAs quantum dot and InAs/In0.2Ga0.8As/GaAs Quantum Dot-in-a-Well structure (DWELL). Eigen-energies, envelop functions, transition lifetime and linear absorption were calculated and compared for both structures. A shift in transition lifetime as well as linear absorption was noticed between the structures and in accordance with experimental results.
Keywords: Linear Absorption, Transition Lifetime, Intersubband Transition, Quantum Dot, Quantum Dot-in-a-Well (DWELL).
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