Asymmetrical surface soliton trains
Asymmetrical surface soliton trains
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非对称表面孤子列
DOI:
10.1088/1674-1056/19/4/044206
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发表时间:
2010-04
影响因子:
1.7
通讯作者:
Yang, Xiao-Yu
中科院分区:
文献类型:
--
作者:
Zheng, Jiang-Bo;Dong, Liang-Wei;Yin, Guo-Yan;Yang, Xiao-Yu
We elucidate the existence, stability and propagation dynamics of multi-spot soliton packets in focusing saturable media. Such solitons are supported by an interface beside which two harmonically photonic lattices with different modulation depths are imprinted. We show that the surface model can support stable higher-order structures in the form of asymmetrical surface soliton trains, which is in sharp contrast to homogeneous media or uniform harmonic lattice modulations where stable asymmetrical multi-peaked solitons do not exist. Surface trains can be viewed as higher-order soliton states bound together by several different lowest order solitons with appropriate relative phases. Their existence as stable objects enriches the concept of compact manipulation of several different solitons as a single entity and offers additional freedom to control the shape of solitons by adjusting the modulation depths beside the interface.
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影响因子:
3.6
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通讯作者:
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影响因子:
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