Two-component coupled photovoltaic soliton pair in two-photon photorefractive materials under open circuit conditions |
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| Authors: | Swati Srivastava S Konar |
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| Institution: | 1. Computer Center of Shanxi University, Taiyuan, Shanxi 030006, PR China;2. College of Physics and Electronics Engineering of Shanxi University, Taiyuan, Shanxi 030006, PR China;1. Laboratory of Mechanics, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon;2. The Abdus Salam International Center for Theoretical Physics, P.O. Box 586, Strada Costiera 11, I-34014 Trieste, Italy;3. Centre of Excellence in Information and Communication Technology (CETIC), National Advanced School of Engineering, University of Yaoundé I, Yaoundé, Cameroon;1. Leibniz Institute for Solid State and Materials Research, Dresden, Germany;2. Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran;3. Liquid Crystals & Photonics Group, ELIS Department, Ghent University, 9000 Gent, Belgium;1. Computer Center of Shanxi University, Taiyuan, Shanxi 030006, PR China;2. College of Physics and Electronics Engineering of Shanxi University, Taiyuan, Shanxi 030006, PR China;1. College of Mathematics and Physics, Qingdao University of Science and Technology, Qingdao 266061, China;2. Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, Qingdao 266061, China |
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| Abstract: | The existence and nonlinear dynamics of two-component incoherently coupled composite solitons in two-photon photorefractive materials under open circuit conditions have been investigated. In the steady-state regime, these incoherently coupled solitons can propagate in bright–dark, bright–bright and dark–dark configurations. These photovoltaic soliton families can be established provided that the carrier beams share the same polarization and wavelength. The influence of the gating beam on the dynamics of stable solitons is discussed. Numerical simulations show that these solitons are stable for small perturbation on amplitude. |
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