Evidence map›Paper›PMID 40451884›Full record

ArticleScientific reports2025

Gap solitons in moiré optical lattice with quartic dispersion.

Keyan Liu, Senlin Wu, Ruyuan Ma, Haiyang Yang, Cong Jing, Qiusheng Song, Jin Su

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Keyan LiuSchool of Mechanical and Electrical Engineering, Jiaxing Nanhu University, 572 Yuexiu South Road, Jiaxing, 314001, Zhejiang, China.
Senlin WuSchool of Mechanical and Electrical Engineering, Jiaxing Nanhu University, 572 Yuexiu South Road, Jiaxing, 314001, Zhejiang, China.
Ruyuan MaSchool of Mechanical and Electrical Engineering, Jiaxing Nanhu University, 572 Yuexiu South Road, Jiaxing, 314001, Zhejiang, China.
Haiyang YangSchool of Mechanical and Electrical Engineering, Jiaxing Nanhu University, 572 Yuexiu South Road, Jiaxing, 314001, Zhejiang, China.
Cong JingSchool of Mechanical and Electrical Engineering, Jiaxing Nanhu University, 572 Yuexiu South Road, Jiaxing, 314001, Zhejiang, China.
Qiusheng SongSchool of Mechanical and Electrical Engineering, Jiaxing Nanhu University, 572 Yuexiu South Road, Jiaxing, 314001, Zhejiang, China.
Jin SuDepartment of Biomedical Engineering, Changzhi Medical College, 161 Jiefang East Street, Changzhi, 046000, Shanxi, China. soccer@shu.edu.cn.

Funding

Changzhi Medical College Doctoral Research Initiation Fund Project BS202214Scientific Research Fund of Zhejiang Provincial Education Department Y202352270The national university student innovation and entrepreneurship training program support project 238519020The research project of Jiaxing Nanhu University 70500000/056
6 · The paper itself

Abstract

This work investigates the theoretical properties and stability mechanisms of semi-infinite gap solitons in moiré optical lattices governed by quartic dispersion. Using the framework of Floquet-Bloch theory, we explore linear modes in commensurate and incommensurate lattice configurations, revealing distinct localization characteristics influenced by the lattice twist angle and dispersion coefficient. Numerical simulations confirm that gap solitons can emerge in a self-focusing Kerr medium, originating from nonlinear evolution of localized linear Bloch modes. Linear stability analysis indicates that solitons are stable under normal quartic dispersion but unstable under anomalous dispersion, corroborated by direct perturbation evolution methods. Additionally, the study highlights the influence of lattice twist strength and angle on soliton localization, with incommensurate lattices enabling thresholdless soliton excitation. These findings provide new insights into the dynamics of solitons in moiré systems, with implications for designing tunable photonic structures and advancing applications in optical communications and nonlinear photonics.

Indexed as

Gap solitonMoiré optical latticeQuartic dispersionStability analysis

Identifiers

PMID40451884
PMCPMC12127447

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