Nonautonomous spatiotemporal localized structures in the inhomogeneous optical fibers: Interaction and control |
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| Authors: | Chaoqing Dai Xiaogang Wang Jiefang Zhang |
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| Institution: | aSchool of Sciences, Zhejiang A&F University, Lin’an, Zhejiang 311300, PR China;bSchool of Physical Science and Technology, Suzhou University, Suzhou, Jiangsu 215006, PR China;cInstitute of Nonlinear Physics, Zhejiang Normal University, Jinhua, Zhejiang 321004, PR China |
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| Abstract: | We develop a systematic way to find the similarity transformation and investigate nonautonomous optical similariton dynamics for (n + 1)-dimensional nonlinear Schrödinger equation in the inhomogeneous optical fibers. A condition between the parameters of the mediums, which hints a exact balance between the dispersion/diffraction, nonlinearity and the gain/loss, has been obtained. Under this condition the optical similariton transmission in the dispersion-decreasing fibers (DDF) can be exactly controlled by proper dispersion management. Moreover, novel propagation dynamics of bright and dark similaritons on the background waves and optical rogue waves (rogons) in DDF are investigated too. |
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| Keywords: | Nonlinear Schrö dinger equation Nonautonomous spatiotemporal localized structures Interaction and control |
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