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Optical properties of spherical quantum dot with on-center hydrogen impurity in magnetic field

Authorized Users Only
2016
Authors
Stevanović, L.J.
Filipović, N.
Pavlović, Vladimir
Article (Published version)
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Abstract
This paper studies linear and nonlinear optical properties of the GaAs spherical quantumdot (QD) with impenetrable walls, containing on-center hydrogen impurity, under the presence of the static magnetic field. Transition energy and electric dipole transition matrix element between the impurity electron ground and the first excited state with m = 0 have been computed using the Lagrange mesh method within the effective mass approximation. The linear and the third-order nonlinear optical absorption coefficients (ACs) are obtained using the iterative procedure in the framework of the density matrix approach, and their behavior with respect to the incident photon energy is discussed. In addition, the dependence of these coefficients on the QD radius, magnetic field strength, intensity of the applied laser field and relaxation time is studied. It has been found that for large values of relaxation time, the nonlinear AC prevails over the linear one and the total AC becomes negative.
Keywords:
Quantum dots / Nonlinear optics / Optical absorption / Lagrange mesh method
Source:
Optical and Quantum Electronics, 2016, 48, 4
Publisher:
  • Springer, Dordrecht
Funding / projects:
  • The electrical breakdown of gases, surface processes and applications (RS-171025)
  • A new approach to foundational problems of quantum mechanics related to applications in quantum technologies and interpretations of signals of various origins (RS-171028)

DOI: 10.1007/s11082-016-0502-5

ISSN: 0306-8919

WoS: 000372264500010

Scopus: 2-s2.0-84971006507
[ Google Scholar ]
10
9
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4126
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet
TY  - JOUR
AU  - Stevanović, L.J.
AU  - Filipović, N.
AU  - Pavlović, Vladimir
PY  - 2016
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4126
AB  - This paper studies linear and nonlinear optical properties of the GaAs spherical quantumdot (QD) with impenetrable walls, containing on-center hydrogen impurity, under the presence of the static magnetic field. Transition energy and electric dipole transition matrix element between the impurity electron ground and the first excited state with m = 0 have been computed using the Lagrange mesh method within the effective mass approximation. The linear and the third-order nonlinear optical absorption coefficients (ACs) are obtained using the iterative procedure in the framework of the density matrix approach, and their behavior with respect to the incident photon energy is discussed. In addition, the dependence of these coefficients on the QD radius, magnetic field strength, intensity of the applied laser field and relaxation time is studied. It has been found that for large values of relaxation time, the nonlinear AC prevails over the linear one and the total AC becomes negative.
PB  - Springer, Dordrecht
T2  - Optical and Quantum Electronics
T1  - Optical properties of spherical quantum dot with on-center hydrogen impurity in magnetic field
IS  - 4
VL  - 48
DO  - 10.1007/s11082-016-0502-5
ER  - 
@article{
author = "Stevanović, L.J. and Filipović, N. and Pavlović, Vladimir",
year = "2016",
abstract = "This paper studies linear and nonlinear optical properties of the GaAs spherical quantumdot (QD) with impenetrable walls, containing on-center hydrogen impurity, under the presence of the static magnetic field. Transition energy and electric dipole transition matrix element between the impurity electron ground and the first excited state with m = 0 have been computed using the Lagrange mesh method within the effective mass approximation. The linear and the third-order nonlinear optical absorption coefficients (ACs) are obtained using the iterative procedure in the framework of the density matrix approach, and their behavior with respect to the incident photon energy is discussed. In addition, the dependence of these coefficients on the QD radius, magnetic field strength, intensity of the applied laser field and relaxation time is studied. It has been found that for large values of relaxation time, the nonlinear AC prevails over the linear one and the total AC becomes negative.",
publisher = "Springer, Dordrecht",
journal = "Optical and Quantum Electronics",
title = "Optical properties of spherical quantum dot with on-center hydrogen impurity in magnetic field",
number = "4",
volume = "48",
doi = "10.1007/s11082-016-0502-5"
}
Stevanović, L.J., Filipović, N.,& Pavlović, V.. (2016). Optical properties of spherical quantum dot with on-center hydrogen impurity in magnetic field. in Optical and Quantum Electronics
Springer, Dordrecht., 48(4).
https://doi.org/10.1007/s11082-016-0502-5
Stevanović L, Filipović N, Pavlović V. Optical properties of spherical quantum dot with on-center hydrogen impurity in magnetic field. in Optical and Quantum Electronics. 2016;48(4).
doi:10.1007/s11082-016-0502-5 .
Stevanović, L.J., Filipović, N., Pavlović, Vladimir, "Optical properties of spherical quantum dot with on-center hydrogen impurity in magnetic field" in Optical and Quantum Electronics, 48, no. 4 (2016),
https://doi.org/10.1007/s11082-016-0502-5 . .

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