Appl. Sci. 2017, 7(3), 311; doi:10.3390/app7030311
Dark Solitons and Grey Solitons in Waveguide Arrays with Long-Range Linear Coupling Effects
1
Department of Applied Physics, South China Agricultural University, Guangzhou 510642, China
2
Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China
3
School of Physics and Optoelectronic Engineering, Foshan University, Foshan 528000, China
*
Author to whom correspondence should be addressed.
Academic Editors: Boris Malomed and Christophe Finot
Received: 23 December 2016 / Revised: 14 March 2017 / Accepted: 17 March 2017 / Published: 22 March 2017
(This article belongs to the Special Issue Guided-Wave Optics)
Abstract
In J. Phys. Soc. Jpn. 83, 034404 (2014), we designed a scheme of waveguide arrays with long-range linear coupling effects and studied the bright solitons in this system. In this paper, we further study the dynamics of dark and grey solitons in such waveguide arrays. The numerical simulations show that the stabilities of dark solitons and grey solitons depend on the normalized decay length and the scaled input power. The width of dark solitons and the grey level of grey solitons are studied. Our results may contribute to the understanding of discrete solitons in long-range linear coupling waveguide arrays, and may have potential applications in optical communications and all-optical networks. View Full-TextKeywords:
discrete solitons; dark solitons; grey solitons; long-range coupling effects; waveguide arrays
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Mai, Z.; Xu, H.; Lin, F.; Liu, Y.; Fu, S.; Li, Y. Dark Solitons and Grey Solitons in Waveguide Arrays with Long-Range Linear Coupling Effects. Appl. Sci. 2017, 7, 311.
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