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Haddadpour Khiaban B, Mahmoud Aghdami K, Kheradmand R. Switching of discrete soliton in the coupled cavity system at the presence of defect. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :1057-1060
URL: http://opsi.ir/article-1-512-en.html
URL: http://opsi.ir/article-1-512-en.html
Abstract: (3791 Views)
In this paper switching of soliton in the two-dimensional array of coupled optical cavities with Kerr nonlinearity at the presence of a local Gaussian defect in cavity detuning parameter is studied theoretically. Firstly solitons are simulated by numerical solution of discreet Schrödinger equation and their branches are plotted for appropriate parameters. Then their stability were studied through observing their dynamical behaviors and it is found that a positive defect expands the stability domain and also unexpectedly reduces the peak intensity of solitons. Finally successful on/off switching is simulated by injecting a control beam and it’s time evolution is investigated.
Keywords: Bistability, Discrete cavity soliton, Numerical simulation, Kerr nonlinearity, Switching, Local defect
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