Nonlinearity-induced localization enhancement in Fibonacci-like waveguide arrays [Invited]

被引：0
|
作者：
Wang, Licheng [1 ]
Bu, Hongfei [1 ,2 ]
Chen, Yang [3 ,4 ]
Tian, Zhennan [1 ]
Ren, Xifeng [2 ,3 ,4 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] Univ Sci & Technol China, CAS Key Lab Quantum Informat, Hefei 230026, Peoples R China
[3] Univ Sci & Technol China, CAS Synerget Innovat Ctr Quantum Informat Quantum, Hefei 230026, Peoples R China
[4] Univ Sci & Technol China, Hefei Natl Lab, Hefei 230088, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2023年 / 21卷 / 10期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Fibonacci-like waveguide arrays; nonlinearity-induced effect; localization enhancement; PHOTONS; LIGHT; WALKS;
D O I：
10.3788/COL202321.101301
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the one-dimensional periodic and Fibonacci-like waveguide arrays, we experimentally investigate localized quantum walks (QWs), both in the linear and nonlinear regimes. Unlike the ballistic transport behavior in conventional random QWs, localization of QWs is obtained in the Fibonacci-like waveguide arrays both theoretically and experimentally. Moreover, we verify the enhancement of the localization through nonlinearity-induced effect. Our work provides a valid way to study localization enhancement in QWs, which might broaden the understanding of nonlinearity-induced behaviors in quasi-periodic systems.
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页数：5
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