Laser-induced nonlinear optical rectification in a two-dimensional quantum pseudodot system

Kilic D. G., Sakiroglu S.

OPTICS COMMUNICATIONS, vol.394, pp.86-91, 2017 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 394
  • Publication Date: 2017
  • Doi Number: 10.1016/j.optcom.2017.03.013
  • Journal Name: OPTICS COMMUNICATIONS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.86-91
  • Keywords: Quantum dot, Intense laser field, Nonlinear optics, 3RD HARMONIC-GENERATION, HYDROSTATIC-PRESSURE, ELECTRONIC-STRUCTURE, DONOR IMPURITIES, DOT SYSTEM, FIELD, TEMPERATURE, COEFFICIENT, POLARON, SHAPE
  • Dokuz Eylül University Affiliated: Yes

Abstract

In this work, the effects of intense laser field on the nonlinear optical rectification in a two-dimensional quantum pseudodot system subjected to an uniform external magnetic field have been investigated theoretically. The non-resonant monochromatic intense laser field with circular polarization has been taken into account within the framework of high-frequency Floquet theory. Analytical expression for the coefficient of nonlinear optical rectification is deduced by using the compact-density matrix approach and iterative method. Numerical results show that the nonlinear optical rectification coefficient depends strongly on the magnitude of magnetic field, the chemical potential and zero point of the pseudoharmonic potential. Moreover, we have demonstrated that the strength of intense laser field alters the structure of confinement potential and affects remarkably the nonlinear optical rectification coefficients.