Effects of hydrostatic pressure and temperature on the nonlinear optical properties of GaAs/GaAlAs zigzag quantum well

TÜZEMEN A. T., Dakhlaoui H., Ungan F.

PHILOSOPHICAL MAGAZINE, cilt.102, sa.23, ss.2428-2443, 2022 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 102 Sayı: 23
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1080/14786435.2022.2111028
  • Dergi Adı: PHILOSOPHICAL MAGAZINE
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, Chemical Abstracts Core, Communication Abstracts, Compendex, INSPEC, Metadex, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.2428-2443
  • Anahtar Kelimeler: Zigzag quantum well, nonlinear optical properties, second harmonic generation, hydrostatic pressure, temperature, INTENSE LASER FIELD, REFRACTIVE-INDEX CHANGES, DONOR IMPURITY STATES, 2ND-HARMONIC GENERATION, MAGNETIC-FIELDS, 3RD-HARMONIC GENERATION, BINDING-ENERGY, CROSS-SECTION, STEP-LIKE, ABSORPTION
  • Sivas Cumhuriyet Üniversitesi Adresli: Evet

Özet

We have examined theoretically how the temperature and the hydrostatic pressure affect the total optical absorption coefficients, the total refractive index changes, and the second harmonic generation coefficients for GaAs/GaAlAs zigzag quantum well structure. The diagonalisation method and the effective mass approximation have been used to obtain the numerical solution of the Schrodinger equation and energy levels, respectively. The analytical expressions of the optical properties were obtained by using the compact density matrix and iterative methods. When the temperature (hydrostatic pressure) is increased, the resonant peaks' positions of the total optical absorption coefficients and the relative refractive index changes are shifted to higher energies/blueshift (lower energies/red-shift) with amplitude increment (decrement). Additionally, the resonant peak position of the second harmonic generation coefficient shifts to higher energies/blueshift (lower energies) and also decrease (increase) in magnitude with increasing temperature (hydrostatic pressure).