✦ LIBER ✦

Linear and nonlinear optical properties of a hydrogenic donor in spherical quantum dots

✍ Scribed by Wenfang Xie

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 259 KB
Volume: 403
Category: Article
ISSN: 0921-4526
DOI: 10.1016/j.physb.2008.09.021

No coin nor oath required. For personal study only.

✦ Synopsis

An investigation of the linear and nonlinear optical properties of a hydrogenic donor, which is in a spherical parabolic quantum dot (QD), has been performed by using the matrix diagonalization method. Based on the computed energies and wave functions, the linear and the third-order nonlinear optical absorption coefficients have been examined between the ground (L ¼ 0) and the first excited state (L ¼ 1). The results are presented as a function of the incident photon energy for the different values of the confinement strength and the incident optical intensity. It is found that the optical properties of the hydrogenic donor QD are strongly affected by the confinement strength (or dot size), the impurity, and the incident optical intensity.

📜 SIMILAR VOLUMES

Nonlinear optical properties of a D− sys

Nonlinear optical properties of a D− system in a spherical quantum dot

✍ Wenfang Xie 📂 Article 📅 2011 🏛 Elsevier Science 🌐 English ⚖ 306 KB

Nonlinear optical properties of semicond

Nonlinear optical properties of semiconductor quantum dots

✍ A. Uhrig; A. Wörner; C. Klingshirn; L. Banyai; S. Gaponenko; I. Lacis; N. Neurot 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 433 KB

Linear and nonlinear optical absorptions

Linear and nonlinear optical absorptions of a two-electron quantum dot

✍ Wenfang Xie 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 259 KB

The linear and nonlinear optical absorptions of a two-electron quantum dot are studied by using the matrix diagonalization method. The oscillator strength of the transition is calculated within the effective-mass approximation, along with the linear and the third-order nonlinear and the total optica

Binding energy of an off-center hydrogen

Binding energy of an off-center hydrogenic donor in a spherical Gaussian quantum dot

✍ Wenfang Xie 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 174 KB

Direct Probing of Quantum Dots through L

Direct Probing of Quantum Dots through Linear and Nonlinear Nano-Optics

✍ J.R. Guest; Xiaoqin Li; T.H. Stievater; D.G. Steel; D. Gammon 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 271 KB 👁 1 views

Dedicated to Professor Dr. Roland Zimmermann on the occasion of his 60th birthday Advances in nanoscopic probing techniques have led to the development of direct spatial and spectroscopic mapping methodologies which have revealed a wealth of information about single quantum dots. These techniques, c

Effect of position-dependent effective m

Effect of position-dependent effective mass on linear and nonlinear optical properties of a cubic quantum dot

✍ R. Khordad 📂 Article 📅 2011 🏛 Elsevier Science 🌐 English ⚖ 401 KB

In this paper, we first obtain an analytic relation for studying the position-dependent effective mass in a GaAs/Al x Ga 1 À x As cubic quantum dot. Then, the effect of position-dependent effective mass on the intersubband optical absorption coefficient and the refractive index change in the quantum