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Advanced Photonics Research
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Advanced Photonics Research
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Advanced Photonics Research
Article . 2021
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https://dx.doi.org/10.48550/ar...
Article . 2020
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Semidiscrete Vortex Solitons

Authors: Xiaoxi Xu; Guanghao Ou; Zhaopin Chen; Bin Liu; Weicheng Chen; Boris A. Malomed; Yongyao Li;

Semidiscrete Vortex Solitons

Abstract

A possibility of creation of stable optical solitons combining one continuous and one discrete coordinates, with embedded vorticity, in an array of planar waveguides with intrinsic cubic–quintic (CQ) nonlinearity is demonstrated. The same system may be realized in terms of the spatiotemporal light propagation in an array of tunnel‐coupled optical fibers with the CQ nonlinearity. In contrast with zero‐vorticity states, semidiscrete vortex solitons do not exist without the quintic term in the nonlinearity. Two types of the solitons, viz., intersite‐centered (IC) and onsite‐centered (OC) ones, with even and odd numbers N of actually excited sites in the discrete direction, are identified. The modes carrying the embedded vorticity and 2 are considered. In accordance with their symmetry, the vortex solitons of the OC type exhibit an intrinsic core, whereas the IC solitons with small N may have a coreless structure. Facilitating their creation in the experiment, the modes reported in the present work may be much more compact states than their counterparts considered in other systems, and they feature strong anisotropy. They can be set in motion in the discrete direction, provided that the coupling constant exceeds a certain minimum value. Collisions between moving vortex solitons are also considered.

Related Organizations
Keywords

intersite-centered, cubic–quintic nonlinearity, FOS: Physical sciences, QC350-467, Pattern Formation and Solitons (nlin.PS), Optics. Light, Nonlinear Sciences - Pattern Formation and Solitons, semidiscrete vortex soliton, TA1501-1820, onsite-centered, Applied optics. Photonics, Physics - Optics, Optics (physics.optics)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
14
Top 10%
Average
Top 10%
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gold