Study of electron-related optical responses in the Tietz-Hua quantum well: Role of applied external fields

Ungan F., Sari H., Kasapoglu E., Yesilgul U., Sakiroglu S., Sokmen I.

PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS, cilt.32, ss.47-52, 2018 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 32
  • Basım Tarihi: 2018
  • Doi Numarası: 10.1016/j.photonics.2018.10.003
  • Dergi Adı: PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.47-52
  • Anahtar Kelimeler: Tietz-Hua quantum well, Optical response, Intense laser field, ELECTROMAGNETICALLY INDUCED TRANSPARENCY, ABSORPTION COEFFICIENTS, 2ND-HARMONIC GENERATION, HYDROSTATIC-PRESSURE, MAGNETIC-FIELD, DONOR IMPURITY, BINDING-ENERGY, RECTIFICATION, DOT
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

In the present study, we theoretically reported the effects of applied external fields, such as intense laser field and electric and magnetic fields, on the optical absorption coefficient and refractive index changes in the Tietz-Hua potential quantum well by the compact density-matrix approach. For this, we first calculated the subband energy levels and their corresponding electronic wave functions of the structure by solving the one-dimensional Schrodinger equation within the framework of the effective mass and envelope wave function approximations. Our theoretical results show that the optical absorption coefficient and refractive index changes in the Tietz-Hua potential quantum well are sensitive to the applied external fields. The absorption spectra in the structure can be adjusted depending on the purpose by changing the strength of the applied external fields, and these results can be used to tune and control the electronic and optical properties of the Tietz-Hua potential quantum well.