Symmetry-breaking bifurcations of pure-quartic solitons in dual-core couplers

被引：2
|
作者：
Li, Pengfei [1 ,2 ]
Dong, Liangliang [1 ,2 ]
Mihalache, Dumitru [3 ]
Malomed, Boris A. [4 ,5 ,6 ]
机构：
[1] Taiyuan Normal Univ, Dept Phys, Jinzhong 030619, Peoples R China
[2] Taiyuan Normal Univ, Inst Computat & Appl Phys, Jinzhong 030619, Peoples R China
[3] Horia Hulubei Natl Inst Phys & Nucl Engn, RO-077125 Bucharest, Romania
[4] Tel Aviv Univ, Fac Engn, Sch Elect Engn, Dept Phys Elect, IL-69978 Tel Aviv, Israel
[5] Tel Aviv Univ, Ctr Light Matter Interact, IL-69978 Tel Aviv, Israel
[6] Univ Tarapaca, Inst Alta Invest, Casilla 7D, Arica, Chile
来源：
OPTICS LETTERS | 2024年 / 49卷 / 20期
基金：
以色列科学基金会; 中国国家自然科学基金;
关键词：
ASYMMETRIC SOLITONS; NONLINEAR FIBER; OPTICAL SOLITONS; DARK SOLITONS; STABILITY; STATES; MEDIA;
D O I：
10.1364/OL.538613
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate spontaneous symmetry- and antisymmetrybreaking bifurcations of solitons in a nonlinear dual-core waveguide with the pure-quartic dispersion and Kerr nonlinearity. Symmetric, antisymmetric, and asymmetric pure-quartic solitons (PQSs) are found, and their stability domains are identified. The bifurcations for both the symmetric and antisymmetric PQSs are of the supercritical type (alias phase transitions of the second kind). Direct simulations of the perturbed evolution of PQSs corroborate their stability boundaries predicted by the analysis of small perand similar technologies, are reserved.
引用
收藏
页码：5858 / 5861
页数：4
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