Browsing by Author "Sari, H."
Now showing items 81-90 of 90
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Position-dependent mass effects on the optical responses of the quantum well with Tietz-Hua potential
Sari, H.; Kasapoglu, E.; Sakiroglu, S.; Sokmen, I. (ELSEVIER GMBH, 2019)In the present study we have investigated the bound energy levels and intersubband optical transitions in the Tietz-Hua quantum well for a spatially varying effective mass distribution. The energy levels and eigenfunctions ... -
Rashba spin-orbit coupling effects on the optical properties of double quantum wire under magnetic field
Karaaslan, Y.; Gisi, B.; Sakiroglu, S.; Kasapoglu, E.; Sari, H.; Sokmen, I. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2016)We investigate the effects of Rashba spin-orbit interaction on the optical absorption coefficients and refractive index changes associated with transitions between the first two lower-lying electronic levels in double ... -
Shallow donors in a coupled triple graded quantum well under the electric and magnetic fields
Kasapoglu, E.; Sari, H.; Sokmen, I. (WORLD SCIENTIFIC PUBL CO PTE LTD, 2006)The binding energy of the donor in three different shaped triple graded GaAs-(Ga, Al)As quantum wells which is obtained by changing the depth of the central-well potential (V-o) is calculated by using a variational approach. ... -
Simultaneous effects of hydrostatic pressure and temperature on the nonlinear optical properties in a parabolic quantum well under the intense laser field
Ungan, F.; Yesilgul, U.; Sakiroglu, S.; Mora-Ramos, M. E.; Duque, C. A.; Kasapoglu, E.; Sari, H.; Sokmen, I. (ELSEVIER SCIENCE BV, 2013)In this present study, we have theoretically investigated the effects of hydrostatic pressure and temperature on the nonlinear optical properties in a typical GaAs/Ga0.7Al0.3As parabolic quantum well under the intense laser ... -
Spin-orbit interaction and magnetic field effects on the energy dispersion of double quantum wire
Karaaslan, Y.; Gisi, B.; Sakiroglu, S.; Kasapoglu, E.; Sari, H.; Sokmen, I. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2015)We investigate the effects of Rashba spin-orbit interaction on the electronic energy dispersion and zero-temperature ballistic conductance of double quantum wire under the influence,of perpendicular magnetic field. The ... -
Spin-orbit interaction effects on the optical properties of quantum wires under the influence of in-plane magnetic fields
Gisi, B.; Sakiroglu, S.; Kasapoglu, E.; Sari, H.; Sokmen, I. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2015)In this work, we studied the effects of in-plane magnetic field and Rashba spin-orbit interaction on the intersubband optical absorption coefficients and changes in refractive index for transitions between the first two ... -
Study of direct and indirect exciton states in GaAs-Ga1-xAlxAs quantum dots under the effects of intense laser field and applied electric field
Mora-Ramos, M. E.; Duque, C. A.; Kasapoglu, E.; Sari, H.; Sokmen, I. (SPRINGER, 2012)The effects of intense laser radiation on the exciton states in GaAs-Ga1-xAlxAs quantum dots are studied with the inclusion of applied dc electric fields oriented along the growth direction of the system. The calculations ... -
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. (ELSEVIER SCIENCE BV, 2018)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 ... -
Third-harmonic generation of a laser-driven quantum dot with impurity
Sakiroglu, S.; Kilic, D. Gul; Yesilgul, U.; Ungan, F.; Kasapoglu, E.; Sari, H.; Solunen, I (ELSEVIER SCIENCE BV, 2018)The third-harmonic generation (THG) coefficient for a laser-driven quantum dot with an on-center Gaussian impurity under static magnetic field is theoretically investigated. Laser field effect is treated within the ... -
VARIATIONAL COMPUTATIONS FOR EXCITONS IN QUANTUM DOTS: A QUANTUM MONTE CARLO STUDY
Yildiz, A.; Sakiroglu, S.; Dogan, U.; Akgungor, K.; Epik, H.; Sokmen, I.; Sari, H.; Ergun, Y. (WORLD SCIENTIFIC PUBL CO PTE LTD, 2011)A study of variational wave functions for calculation of the ground-state energies of excitons confined in a two-dimensional (2D) disc-like and three-dimensional (3D) spherical parabolic GaAs quantum dots (QDs) is presented. ...