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dc.contributor.authorU. A., Mofiz
dc.identifier.citationMofiz, U. A. (2013). Optical solitons in negative-index meta-materials. Paper presented at the Proceedings of 2013 2nd International Conference on Advances in Electrical Engineering, ICAEE 2013, 37-42. doi:10.1109/ICAEE.2013.6750301en_US
dc.descriptionThis conference paper was presented in the 2nd International Conference on Advances in Electrical Engineering, ICAEE 2013; Dhaka; Bangladesh; 19 December 2013 through 21 December 2013 [© 2013 IEEE]. The conference paper's definite version is available at:
dc.description.abstractThe nonlinear propagation of gigahertz electromagnetic wave propagation in the resonant region of a negative index meta-material is investigated. It is found that the negative refractive index is maintained within a narrow band of frequency which is more narrowed down with the intensity of the radiation. In the high frequency response, the nonlinear field dependent dispersion relation is obtained, and the corresponding group velocity is determined. In the low frequency response, coupled nonlinear Schrödinger equations are obtained which show the creation of bright and dark optical solitons. The bright soliton is a fast mode and it is modulationally unstable. The dark soliton is a slow mode and it is modulationally stable. Applications of these results to terahertz spectrums and in the photonic crystals are mentioned.en_US
dc.publisher© 2013 IEEEen_US
dc.subjectOptical solitonsen_US
dc.subjectNegative refractive indexen_US
dc.titleOptical solitons in negative-index meta-materialsen_US
dc.typeConference paperen_US
dc.contributor.departmentDepartment of Mathematics and Natural Sciences, BRAC University

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