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Authors: Md. Jahirul Islam and Javid Atai

Affiliation: School of Electrical and Information Engineering and The University of Sydney, Australia

Keyword(s): Gap Soliton, Fiber Bragg Grating, Cubic-Quintic Nonlinearity.

Related Ontology Subjects/Areas/Topics: Photonics ; Photonics, Optics and Laser Technology ; Ultrafast Electronics, Photonics and Optoelectronics

Abstract: We analyze the existence and stability of moving Bragg grating solitons in a semilinear coupled system where one core is equipped with a Bragg grating and has cubic-quintic nonlinearity and the other is linear. The system's linear spectrum contains three bandgaps, namely the upper, lower and central gaps. The bandgap edges shift with the soliton velocity ($s$) and group velocity mismatch term ($c$) for a given coupling coefficient ($\kappa$), and result in change in the spectral widths. Two families of moving Bragg grating solitons (referred to as Type 1 and Type 2) are found that fill the upper and lower gaps only. No moving solitons are found in the central gap. The border separating the two families depends on both $c$ and $s$, and is determined numerically. We carried out systematic numerical stability analysis of the moving solitons and identified non-trivial stability borders in their parametric plane. The analysis also reveals that vast areas of stable Type 1 solitons exist i n the system's parametric plane and that all Type 2 solitons are unstable. (More)

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Paper citation in several formats:
Jahirul Islam, M. and Atai, J. (2017). Moving Bragg Grating Solitons in a Grating-assisted Coupler with Cubic-Quintic Nonlinearity. In Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-223-3; ISSN 2184-4364, SciTePress, pages 44-48. DOI: 10.5220/0006098800440048

@conference{photoptics17,
author={Md. {Jahirul Islam}. and Javid Atai.},
title={Moving Bragg Grating Solitons in a Grating-assisted Coupler with Cubic-Quintic Nonlinearity},
booktitle={Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2017},
pages={44-48},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006098800440048},
isbn={978-989-758-223-3},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Moving Bragg Grating Solitons in a Grating-assisted Coupler with Cubic-Quintic Nonlinearity
SN - 978-989-758-223-3
IS - 2184-4364
AU - Jahirul Islam, M.
AU - Atai, J.
PY - 2017
SP - 44
EP - 48
DO - 10.5220/0006098800440048
PB - SciTePress

- Science and Technology Publications, Lda.
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