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Jafari K, Golshani M, Khazaei Nezhad M, Langari A, Bahrampour A, Mahdavi S M. Transverse localization in 1D array of optical waveguides with diagonal correlated disorder. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :437-440
URL: http://opsi.ir/article-1-210-en.html
URL: http://opsi.ir/article-1-210-en.html
Khatereh Jafari * 
1, Mojtaba Golshani2 , Mehdi Khazaei Nezhad2 , Abdollah Langari2 , Alireza Bahrampour2 , Seyed Mohammad Mahdavi2
1, Mojtaba Golshani2 , Mehdi Khazaei Nezhad2 , Abdollah Langari2 , Alireza Bahrampour2 , Seyed Mohammad Mahdavi2
1- Kharazmi University
2- Sharif University of Technology
2- Sharif University of Technology
Abstract: (6343 Views)
In this paper we investigate the effect of correlation on transverse light localization in 1D array of optical waveguides with random propagating constants. To this end, starting from tight-binding equation, and using perturbation method, the localization length has been obtained. Our results for short-range and long-range correlated propagation constants show that correlation enhances localization length, lead to less confinement of eigen-modes. Moreover, we find that eigen-modes with larger propagation constants are more localized than the modes with lower propagation constant values.
Keywords: Anderson localization, Transverse localization length, diagonal disorder, short and long range correlation
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