Higher-order solitons in amplitude-disordered waveguide arrays
We investigate the existence and stability of different families of spatial solitons in optical waveguide arrays whose amplitudes obey a disordered distribution. The competition between focusing nonlinearity and linearly disordered refractive index modulation results in the formation of spatial loca...
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Published in | Chinese physics B Vol. 23; no. 10; pp. 186 - 191 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
01.10.2014
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Subjects | |
Online Access | Get full text |
ISSN | 1674-1056 2058-3834 1741-4199 |
DOI | 10.1088/1674-1056/23/10/104213 |
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Abstract | We investigate the existence and stability of different families of spatial solitons in optical waveguide arrays whose amplitudes obey a disordered distribution. The competition between focusing nonlinearity and linearly disordered refractive index modulation results in the formation of spatial localized nonlinear states. Solitons originating from Anderson modes with few nodes are robust during propagation. While multi-peaked solitons with in-phase neighboring components are completely unstable, multipole-mode solitons whose neighboring components are out-of-phase can propagate stably in wide parameter regions provided that their power exceeds a critical value. Our findings, thus, provide the first example of stable higher-order nonlinear states in disordered systems. |
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AbstractList | We investigate the existence and stability of different families of spatial solitons in optical waveguide arrays whose amplitudes obey a disordered distribution. The competition between focusing nonlinearity and linearly disordered refractive index modulation results in the formation of spatial localized nonlinear states. Solitons originating from Anderson modes with few nodes are robust during propagation. While multi-peaked solitons with in-phase neighboring components are completely unstable, multipole-mode solitons whose neighboring components are out-of-phase can propagate stably in wide parameter regions provided that their power exceeds a critical value. Our findings, thus, provide the first example of stable higher-order nonlinear states in disordered systems. |
Author | 刘海东 金洪震 董亮伟 |
AuthorAffiliation | Department of Physics, Zhejiang Normal University, Jinhua 321004, China Institute of Information Optics, Zhejiang Normal University, Jinhua 321004, China |
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Cites_doi | 10.1364/OL.34.000596 10.1016/j.physrep.2008.04.004 10.1103/PhysRev.109.1492 10.1038/nature05623 10.1103/PhysRevLett.101.143903 10.1038/nphoton.2013.30 10.1103/PhysRevLett.95.170410 10.1103/PhysRevA.79.063831 10.1063/1.3206091 10.1126/science.1209019 10.1038/nature07000 10.1103/PhysRevLett.100.013906 10.1111/j.1467-9590.2007.00371.x |
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Notes | Liu Hai-Dong, Jin Hong-Zhen, and Dong Liang-Wei( a) Department of Physics, Zhejiang Normal University, Jinhua 321004, China b ) Institute of Information Optics, Zhejiang Normal University, Jinhua 321004, China disordered lattices, higher-order solitons, stability We investigate the existence and stability of different families of spatial solitons in optical waveguide arrays whose amplitudes obey a disordered distribution. The competition between focusing nonlinearity and linearly disordered refractive index modulation results in the formation of spatial localized nonlinear states. Solitons originating from Anderson modes with few nodes are robust during propagation. While multi-peaked solitons with in-phase neighboring components are completely unstable, multipole-mode solitons whose neighboring components are out-of-phase can propagate stably in wide parameter regions provided that their power exceeds a critical value. Our findings, thus, provide the first example of stable higher-order nonlinear states in disordered systems. 11-5639/O4 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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SubjectTerms | Amplitudes Arrays Focusing Modulation Nonlinearity Refractive index Refractivity Solitons Stability 传播过程 光波导阵列 振幅 无序系统 空间局部性 非线性状态 高阶孤子 高阶非线性 |
Title | Higher-order solitons in amplitude-disordered waveguide arrays |
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