Exciton related nonlinear optical properties of a spherical quantum dot

Date

2015-11-01

Author

Aksahin, E.
Unal, V. Ustoglu
Tomak, Mehmet

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The nonlinear optical properties of an exciton in a spherical quantum dot (QD) is studied analytically. The nonlinear optical coefficients are calculated within the density matrix formalism. The electronic problem is solved within the effective mass approximation. The contributions from the competing effects of the confinement, the Coulomb interaction, and the applied electric field are calculated and compared with each other. We have made no assumptions about the strength of the confinement. We concentrate the effect of the Coulomb interaction. Our results may provide an input for optimization of the nonlinear optical coefficients.

Subject Keywords

Quantum dot, Nonlinear optical properties, Exciton

URI

https://hdl.handle.net/11511/37402

Journal

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES

DOI

https://doi.org/10.1016/j.physe.2015.07.010

Collections

Department of Physics, Article

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Citation Formats

E. Aksahin, V. U. Unal, and M. Tomak, “Exciton related nonlinear optical properties of a spherical quantum dot,” PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, pp. 258–263, 2015, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37402.