The effects of hydrostatic pressure and intense laser field on the linear and nonlinear optical properties of a square quantum well |
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| Authors: | F Ungan U Yesilgul E Kasapoglu H Sari I Sökmen |
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| Institution: | 1. Cumhuriyet University, Physics Department, 58140 Sivas, Turkey;2. Dokuz Eylül University, Physics Department, 35160 Buca, ?zmir, Turkey;1. Facultad de Ciencias, Universidad Autónoma del Estado de Morelos, Ave. Universidad 1001, CP 62209, Cuernavaca, Morelos, México;2. Instituto de Física, Universidad de Antioquia, AA 1226 Medellín, Colombia;3. Cumhuriyet University, Physics Department, 58140 Sivas, Turkey;4. Dokuz Eylül University, Physics Department, 35160 Buca, ?zmir, Turkey;1. Department of Physics, Cumhuriyet University, 58140 Sivas, Turkiye;2. Department of Physics, Dokuz Eylül University, ?zmir, Turkiye;1. Department of Physics, Cumhuriyet University, 58140 Sivas, Turkey;2. Department of Physics, Dokuz Eylül University, 35160 Buca, ?zmir, Turkey;3. Facultad de Ciencias, Universidad Autonoma del Estado de Morelos, Ave. Universidad 1001, CP 62209 Cuernavaca, Morelos, Mexico;4. Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA; Calle 70 No. 52-21, Medellín, Colombia;1. Department of Physics, Cumhuriyet University, 58140 Sivas, Turkey;2. Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia-UdeA, Calle 70 No. 52-21, Medellín, Colombia;3. Facultad de Ciencias, Universidad Autónoma del Estado de Morelos, Ave. Universidad 1001, CP 62209, Cuernavaca, Morelos, Mexico;4. Escuela de Ingeniería de Antioquia-EIA, Medellín, Colombia;5. Department of Physics, Dokuz Eylül University, 35160 Buca, ?zmir, Turkey;1. Department of Optical Engineering, Faculty of Technology, Sivas Cumhuriyet University, 58140, Sivas, Turkey;2. Department of Chemistry, Hetampur Raj High School, Hetampur, Birbhum, 731124, West Bengal, India;3. Department of Energy Systems Engineering, Faculty of Engineering, Karamano?lu Mehmetbey University, 70100, Karaman, Turkey;4. Centro de Investigación en Ciencias, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, CP, 62209, Cuernavaca, Morelos, Mexico;1. Department of Physics, Cumhuriyet University, 58140 Sivas, Turkey;2. Grupo de Materia Condensade-UdeA, Instituto de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia;3. Escuela de Ingeniería de Antioquia AA 7516, Medellín, Colombia;4. Facultad de Ciencias, Universidad Autonoma del Estado de Morelos, Ave. Universidad 1001, CP 62209, Cuernavaca, Morelos, Mexico |
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| Abstract: | In this paper, the effects of hydrostatic pressure, temperature and intense laser field on the linear and nonlinear optical processes in the conduction band of a square quantum well are numerically investigated in the effective mass approximation. The analytical expressions of optical properties are obtained by using the compact density-matrix approach. The numerical results are presented for typical square GaAs/AlxGa1?xAs single quantum well system. The nonlinear optical absorption and refractive index changes depending on the hydrostatic pressure and intense laser field are investigated for two different temperature values. The results show that the intense laser field, the hydrostatic pressure and the temperature have a significant effect on the optical characteristics of these structures. |
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