Nonlinear compact localized modes in flux-dressed octagonal-diamond lattice

被引：1
|
作者：
Stojanovic, M. G. [1 ]
Guendogdu, S. [2 ,3 ]
Leykam, D. [4 ]
Angelakis, D. G. [4 ,5 ]
Krasic, M. Stojanovic [6 ]
Stepic, M. [1 ]
Maluckov, A. [1 ]
机构：
[1] Univ Belgrade, Vinca Inst Nucl Sci, Natl Inst Republ Serbia, COHERENCE, POB 522, Belgrade 11001, Serbia
[2] Inst for Basic Sci Korea, Ctr Theoret Phys Complex Syst, Daejeon 34126, South Korea
[3] Humboldt Univ, Dept Phys, Newtonstr 15, D-12489 Berlin, Germany
[4] Natl Univ Singapore, Ctr Quantum Technol, 3 Sci Dr 2, Singapore 117543, Singapore
[5] Tech Univ Crete, Sch Elect & Comp Engn, Khania 73100, Greece
[6] Univ Nis, Fac Technol, Leskovac 16000, Serbia
来源：
PHYSICA SCRIPTA | 2022年 / 97卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
nonlinear compact localized modes; flux-driven topological phase transistions; octagonal-diamond lattice; flatbands; MODULATION INSTABILITY;
D O I：
10.1088/1402-4896/ac5357
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Tuning the values of artificial flux in the two-dimensional octagonal-diamond lattice drives topological phase transitions, including between singular and non-singular flatbands. We study the dynamical properties of nonlinear compact localized modes that can be continued from linear flatband modes. We show how the stability of the compact localized modes can be tuned by the nonlinearity strength or the applied artificial flux. Our model can be realized using ring resonator lattices or nonlinear waveguide arrays.
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页数：12
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