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Journal of Nanomaterials
Volume 2017, Article ID 5970540, 18 pages
https://doi.org/10.1155/2017/5970540
Research Article

Donor Impurity-Related Optical Absorption in GaAs Elliptic-Shaped Quantum Dots

1Instituto de Matemáticas, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia
2Universidad EIA, CP 055428, Envigado, Colombia
3Grupo de Física de Materiales, Universidad Pedagógica y Tecnológica de Colombia, Tunja, Colombia
4Division of Theoretical Physics, Dong Thap University, Dong Thap, Vietnam
5Centro de Investigación en Ciencias-IICBA, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, 62209 Cuernavaca, MOR, Mexico
6Faculty of Science, Department of Physics, Cumhuriyet University, 58140 Sivas, Turkey
7Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia

Correspondence should be addressed to C. A. Duque; se.oohay@irrevehce_euqudc

Received 6 December 2016; Accepted 6 March 2017; Published 5 April 2017

Academic Editor: Sergio Bietti

Copyright © 2017 M. A. Londoño et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. L. C. Lew Yan Voon and M. Willatzen, “On triaxial ellipsoidal quantum dots,” Journal of Physics: Condensed Matter, vol. 16, no. 7, article 1087, 2004. View at Google Scholar
  2. B. Szafran, F. M. Peeters, S. Bednarek, and J. Adamowski, “Anisotropic quantum dots: correspondence between quantum and classical Wigner molecules, parity symmetry, and broken-symmetry states,” Physical Review B—Condensed Matter and Materials Physics, vol. 69, no. 12, Article ID 125344, 2004. View at Google Scholar · View at Scopus
  3. K. G. Dvoyan, E. M. Kazaryan, and L. S. Petrosyan, “Electronic states in quantum dots with ellipsoidal symmetry,” Physica E, vol. 28, no. 4, pp. 333–338, 2005. View at Publisher · View at Google Scholar · View at Scopus
  4. K. G. Dvoyan, D. B. Hayrapetyan, E. M. Kazaryan, and A. A. Tshantshapanyan, “Electron states and light absorption in strongly oblate and strongly prolate ellipsoidal quantum dots in presence of electrical and magnetic fields,” Nanoscale Research Letters, vol. 2, no. 12, pp. 601–608, 2007. View at Publisher · View at Google Scholar · View at Scopus
  5. Y.-H. Liu, F.-H. Yang, and S.-L. Feng, “Geometrical-confinement effects on two electrons in elliptical quantum dots,” Journal of Applied Physics, vol. 101, no. 6, Article ID 063714, 2007. View at Publisher · View at Google Scholar · View at Scopus
  6. A. Benahmed, A. Aissat, and M. A. Benammar, “Optical transitions in quantum dots,” International Journal of Physics, vol. 2, no. 4, pp. 109–111, 2014. View at Publisher · View at Google Scholar
  7. M. Sovizi and M. Mohsseni, “Numerical calculation of eigen functions and energy levels of quantum wells, based on boundary element method,” University Politehnica of Bucharest Scientific Bulletin-Series A-Applied Mathematics and Physics, vol. 76, no. 2, pp. 169–180, 2014. View at Google Scholar
  8. D. Zhou and A. Lorke, “Wave functions of elliptical quantum dots in a magnetic field,” American Journal of Physics, vol. 83, no. 3, pp. 205–209, 2014. View at Publisher · View at Google Scholar · View at Scopus
  9. C.-H. Teng, L. Zhang, T. A. Hill, B. Demory, H. Deng, and P.-C. Ku, “Elliptical quantum dots as on-demand single photons sources with deterministic polarization states,” Applied Physics Letters, vol. 107, no. 19, Article ID 191105, 2015. View at Publisher · View at Google Scholar · View at Scopus
  10. A. Halder and V. V. Kresin, “Energies and densities of electrons confined in elliptical and ellipsoidal quantum dots,” Journal of Physics: Condensed Matter, vol. 28, no. 39, Article ID 395302, 2016. View at Publisher · View at Google Scholar
  11. M. A. Londoño, J. H. Rúa, J. D. Giraldo-Gómez, H. Montegranario, M. E. Mora-Ramos, and C. A. Duque, “A meshless scheme for the calculation of electron and hole states in laterally coupled GaAs-Ga1-xAlxAs quantum dots under applied electric field,” Superlattices and Microstructures, vol. 87, pp. 77–82, 2016. View at Publisher · View at Google Scholar · View at Scopus
  12. W.-W. Gao and Z.-G. Wang, “A meshless scheme for partial differential equations based on multiquadric trigonometric B-spline quasi-interpolation,” Chinese Physics B, vol. 23, no. 11, Article ID 110207, 2014. View at Publisher · View at Google Scholar
  13. A. A. Gusev, O. Chuluunbaatar, S. I. Vinitsky, E. M. Kazaryan, and H. A. Sarkisyan, “The application of adiabatic method for the description of impurity states in quantum nanostructures,” Journal of Physics: Conference Series, vol. 248, Article ID 012047, 2010. View at Publisher · View at Google Scholar · View at Scopus
  14. A. A. Gusev, L. L. Hai, S. I. Vinitsky et al., “Analytical and numerical calculations of spectral and optical characteristics of spheroidal quantum dots,” Physics of Atomic Nuclei, vol. 76, no. 8, pp. 1033–1055, 2013. View at Publisher · View at Google Scholar · View at Scopus
  15. S. Y. López, N. Porras-Montenegro, and C. A. Duque, “Hydrostatic pressure effects on donor-related absorption spectra in GaAs-Ga1-xAlxAs quantum wells,” Physica B: Condensed Matter, vol. 362, no. 1–4, pp. 41–49, 2005. View at Publisher · View at Google Scholar · View at Scopus
  16. H. M. Baghramyan, M. G. Barseghyan, A. A. Kirakosyan, R. L. Restrepo, M. E. Mora-Ramos, and C. A. Duque, “Donor impurity-related linear and nonlinear optical absorption coefficients in GaAs/Ga1-xAlxAs concentric double quantum rings: effects of geometry, hydrostatic pressure, and aluminum concentration,” Journal of Luminescence, vol. 145, pp. 676–683, 2014. View at Publisher · View at Google Scholar · View at Scopus
  17. H. O. Oyoko, N. Porras-Montenegro, S. Y. López, and C. A. Duque, “Comparative study of the hydrostatic pressure and temperature effects on the impurity-related optical properties in single and double GaAs-Ga1-xAlxAs quantum wells,” Physica Status Solidi (C) Current Topics in Solid State Physics, vol. 4, no. 2, pp. 298–300, 2007. View at Publisher · View at Google Scholar · View at Scopus
  18. M. G. Barseghyan, A. K. Manaselyan, D. Laroze, and A. A. Kirakosyan, “Impurity-modulated Aharonov-Bohm oscillations and intraband optical absorption in quantum dot-ring nanostructures,” Physica E: Low-Dimensional Systems and Nanostructures, vol. 81, pp. 31–36, 2016. View at Publisher · View at Google Scholar · View at Scopus
  19. M. G. Barseghyan, A. A. Kirakosyan, and D. Laroze, “Laser driven intraband optical transitions in two-dimensional quantum dots and quantum rings,” Optics Communications, vol. 383, article 571, 2017. View at Google Scholar
  20. G. Liao and W. Xie, “Linear and nonlinear susceptibilities of a D system in a semiconductor quantum ring,” Superlattices and Microstructures, vol. 82, pp. 82–89, 2015. View at Publisher · View at Google Scholar · View at Scopus
  21. K. Li, K. Guo, and L. Liang, “Effect of the shape of quantum dots on the refractive index changes,” Physica B: Condensed Matter, vol. 502, pp. 146–150, 2016. View at Publisher · View at Google Scholar
  22. F. Hecht, “New development in freefem++,” Journal of Numerical Mathematics, vol. 20, no. 3-4, pp. 251–265, 2012. View at Publisher · View at Google Scholar · View at Zentralblatt MATH · View at MathSciNet · View at Scopus
  23. D. Ahn and S.-L. Chuang, “Calculation of linear and nonlinear intersubband optical absorptions in a quantum well model with an applied electric field,” IEEE Journal of Quantum Electronics, vol. 23, no. 12, pp. 2196–2204, 1987. View at Publisher · View at Google Scholar · View at Scopus
  24. N. Zeiri, N. Sfina, S. Abdi-Ben Nasrallah, and M. Said, “Intersubband resonant enhancement of the nonlinear optical properties in asymmetric (CdS/ZnSe)/X-BeTe based quantum wells,” Optical Materials, vol. 35, no. 5, pp. 875–880, 2013. View at Publisher · View at Google Scholar · View at Scopus
  25. A. Radu, N. Eseanu, and A. Spandonide, “Tuning a conventional quantum well laser by nonresonant laser field dressing of the active layer,” Physics Letters, Section A: General, Atomic and Solid State Physics, vol. 378, no. 45, pp. 3308–3314, 2014. View at Publisher · View at Google Scholar · View at Scopus
  26. V. Tulupenko, C. A. Duque, V. Akimov et al., “On intersubband absorption of radiation in delta-doped QWs,” Physica E: Low-Dimensional Systems and Nanostructures, vol. 74, pp. 400–406, 2015. View at Publisher · View at Google Scholar · View at Scopus
  27. M. Virgilio, D. Sabbagh, M. Ortolani, L. Di Gaspare, G. Capellini, and M. De Seta, “Physical mechanisms of intersubband-absorption linewidth broadening in s -Ge/SiGe quantum wells,” Physical Review B—Condensed Matter and Materials Physics, vol. 90, no. 15, Article ID 155420, 2014. View at Publisher · View at Google Scholar · View at Scopus