Optical properties of the Tietz-Hua quantum well under the applied external fields

Kasapoglu E., Sakiroglu S., Ungan F., Yesilgul U., Duque C. A., Sokmen I.

PHYSICA B-CONDENSED MATTER, cilt.526, ss.127-131, 2017 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 526
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1016/j.physb.2017.09.093
  • Dergi Adı: PHYSICA B-CONDENSED MATTER
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.127-131
  • Anahtar Kelimeler: Tietz-Hua quantum well, Optical transitions, Electric and magnetic fields, REFRACTIVE-INDEX CHANGES, MAGNETIC-FIELDS, ELECTRIC-FIELD, HYDROSTATIC-PRESSURE, BINDING-ENERGY, ABSORPTION-COEFFICIENTS, DIATOMIC-MOLECULES, IMPURITY STATES, EFFECTIVE-MASS, RECTIFICATION
  • Sivas Cumhuriyet Üniversitesi Adresli: Evet

Özet

In this study, the effects of the electric and magnetic fields as well as structure parameter-gamma on the total absorption coefficient, including linear and third order nonlinear absorption coefficients for the optical transitions between any two subband in the Tietz-Hua quantum well have been investigated. The optical transitions were investigated by using the density matrix formalism and the perturbation expansion method. The Tietz-Hua quantum well becomes narrower (wider) when the gamma - structure parameter increases (decreases) and so the energies of the bound states will be functions of this parameter. Therefore, we can provide the red or blue shift in the peak position of the absorption coefficient by changing the strength of the electric and magnetic fields as well as the structure parameters and these results can be used to adjust and control the optical properties of the Tietz-Hua quantum well.