Title of article :
Size-dependent linear and non-linear optical response of single carrier two-dimensional quantum dots
Original Research Article
Author/Authors :
Manas Ghosh، نويسنده , , S.P. Bhattacharyya، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
We explore the pattern of size dependence of linear and non-linear optical (NLO) responses of one-electron quantum dots in two dimensions with or without anharmonicity in the confinement potential. For some fixed values of transverse magnetic field strength (ωcωc) and harmonic confinement potential (ω0ω0), the influence of the size of the dot on the linear (αα), the first (ββ) and the second (γγ) NLO responses of the system computed through a finite field linear variational route is analysed. Size-dependent maximization is predicted to be feasible for the quadratic hyperpolarizability.
Keywords :
A. Nanostructures , D. Anharmonicity , D. Optical properties , A. Optical materials , D. Electronic structure
Journal title :
Journal of Physics and Chemistry of Solids
Journal title :
Journal of Physics and Chemistry of Solids