Second and third harmonic generation associated to infrared transitions in a Morse quantum well under applied electric and magnetic fields

Restrepo R. L., Kasapoglu E., Sakiroglu S., Ungan F., Morales A. L., Duque C. A.

INFRARED PHYSICS & TECHNOLOGY, vol.85, pp.147-153, 2017 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 85
  • Publication Date: 2017
  • Doi Number: 10.1016/j.infrared.2017.06.005
  • Journal Name: INFRARED PHYSICS & TECHNOLOGY
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.147-153
  • Keywords: Infrared transitions, Morse potential, Second and third harmonic generation, Electric and magnetic fields, INTERSUBBAND OPTICAL-ABSORPTION, POTENTIAL-ENERGY FUNCTION, DIATOMIC-MOLECULES, SPECTRAL RANGE, GAAS, HETEROSTRUCTURES, ENHANCEMENT, DOT
  • Dokuz Eylül University Affiliated: Yes

Abstract

The effects of electric and magnetic fields on the second and third harmonic generation coefficients in a Morse potential quantum well are theoretically studied. The energy levels and corresponding wave functions are obtained by solving the Schrodinger equation for the electron in the parabolic band scheme and effective mass approximations and the envelope function approach. The results show that both the electric and the magnetic fields have significant influence on the magnitudes and resonant peak energy positions of the second and third harmonic generation responses. In general, the Morse potential profile becomes wider and shallower as gamma-parameter increases and so the energies of the bound states will be functions of this parameter. Therefore, we can conclude that the effects of the electric and magnetic fields can be used to tune and control the optical properties of interest in the range of the infrared electromagnetic spectrum. (C) 2017 Elsevier B.V. All rights reserved.