DataVXPhilosophical MagazinePaper
journal article·2020-10-01

Linear and nonlinear optical properties of a single dopant in GaN conical quantum dot with spherical cap

A. El Aouami, M. Bikerouin, K. Feddi, N. Aghoutane, M. El-Yadri, E. Feddi, F. Dujardin, A. Radu, R. L. Restrepo, J. A. Vinasco, A. L. Morales, C. A. Duque, M. E. Mora-Ramos

Philosophical Magazine· Volume 100· Issue 19
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Source abstract

Abstract

The states of a single dopant centre in zinc-blende GaN-based conical quantum dots with spherical cap are theoretically investigated by analytically solving the corresponding effective mass equation taking advantage of the localisation of the ionised impurity at the cone apex. Nonlinear optical response is analysed through the calculation of the coefficients of optical absorption, relative refractive index change, and second and third harmonic generation, for the chosen set of allowed electron-donor states. The behaviour of the calculated optical quantities under changes in the geometry of the system due to variations in apical width and quantum dot radius is analysed and discussed.
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Research context

OpenAlex topics: GaN-based semiconductor devices and materials · Semiconductor Quantum Structures and Devices · Quantum and electron transport phenomena

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratoire de Matière Condenssée et Sciences Interdisciplinaires (LaMCScI), Group of Optoelectronic of Semiconductors and Nanomaterials, ENSET, Mohammed V University in Rabat, Rabat, Morocco

REAM Laboratory, International University of Rabat, Rabat, Morocco

EIMIS Laboratory, FST, University Abdelmalek Essadi, Tanger, Morocco

Université de Lorraine, LCP-A2MC, Metz, France

Department of Physics, ‘Politehnica’ University of Bucharest, Bucharest, Romania

Universidad EIA, Envigado, Colombia

Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Medellín, Colombia

Centro de Investigación en Ciencias-IICBA, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, México

Funding

Consejo Nacional de Ciencia y Tecnología · Patrimonio Autónomo Fondo Nacional de Financiamiento para la Ciencia, la Tecnología y la Innovación Francisco José de Caldas

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