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Nonlinear optical rectification in a two-dimensional system |
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| Institution: | 1. Departamento de Física, Pontifícia Universidade Católica de Goiás, 74605-010 Goiânia, Goiás, Brazil;2. Condensed Matter Physics Department, Institute of Physics “Gleb Wataghin”, State University of Campinas-Unicamp, 13083-859 Campinas, SP, Brazil;1. Department of Physics, Trakya University, Edirne 22030, Turkey;2. Department of Mathematics, Trakya University, Edirne 22030, Turkey;1. School of Mechanical and Electronic Engineering, Suzhou University, Suzhou 234000, China;2. School of Mechanical and Vehicle Engineering, Anhui Polytechnic University, Wuhu 241000, China |
| Abstract: | The optical rectification (OR) in the two-dimensional electron–hole system is investigated theoretically. An analytical expression formula of the OR coefficient is obtained via the framework of compact density matrix approach and the iterative method. The results show that the OR coefficient depends strongly on the system׳s size and the relaxation time. A more obvious OR coefficient should be found by adjusting an appropriate choice of the system parameters. |
| Keywords: | Optical rectification Two-dimensional system Coulomb potential Quantum confinement effect |
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