8 papers
Estimation of the Total Mass of 10 Exoplanets and their Host Stars Based on the Primary Transit Method
A. Poro, M. Hedayatjoo, Y. Dashti +8
In this study, ten exoplanets were studied. Their photometric observations were obtained from the ETD. After performing the data reduction steps, their parameters were obtained thr…
The influence of gain compression factor on dynamical properties of single level InAs/GaAs quantum dot lasers
Mostafa Qorbani, Esfandiar Rajaei, Omid Hajizadeh +1
In this paper, by representing a single level rate equation model for InAs/GaAs quantum dot lasers and computations by fourth order Runge-Kutta method some characteristics of the o…
Energy levels of In_x Ga_(1-x) As/GaAs quantum dot laser with different sizes
Esfandiar Rajaei, Mahdi Ahmadi Borji
In this paper, we have studied the strain, bandedge, and energy levels of cubic InGaAs quantum dots (QDs) surrounded by GaAs. It is shown that overall strain value is larger in InG…
Impact of dot size on dynamical characteristics of InAs/GaAs quantum dot lasers
Esfandiar Rajaei, Mahdi Ahmadi Borji
The purpose of this research is to study laser dynamics of InAs/GaAs Quantum Dot Lasers (QDLs) by changing QD energy levels. To date, most of the investigations have focused on onl…
Influence of Indium-Percentage Variation on Dynamical Characteristics of InxGa1-xAs/GaAs(001) Quantum Dot Lasers
Mahdi Ahmadi Borji, Esfandiar Rajaei
The influence of indium percentage on dynamical characteristics of InxGa1-xAs/GaAs(001) quantum dot lasers (QDLs) is investigated. Energy levels of self-organized truncated-cone-sh…
Energy Level Engineering in In_x Ga_(1-x) As/GaAs Quantum Dots Applicable to QD-Lasers by Changing the Stoichiometric Percentage
Mahdi Ahmadi Borji, Esfandiar Rajaei
Band edge and energy levels of truncated pyramidal In_x Ga_(1-x) As/GaAs (001) quantum dots are studied by single-band effective mass approach, and the dependence to stoichiometric…