Spectral transformations in the regime of pulse self-trapping in a nonlinear photonic crystal

被引：6
|
作者：
Novitsky, Denis V. [1 ]
机构：
[1] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk 220072, BELARUS
来源：
PHYSICAL REVIEW A | 2011年 / 84卷 / 05期
关键词：
LIGHT-PULSES; INSTABILITY; GENERATION;
D O I：
10.1103/PhysRevA.84.053857
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We consider the interaction of a femtosecond light pulse with a one-dimensional photonic crystal with relaxing cubic nonlinearity in the regime of self-trapping. By use of numerical simulations, it is shown that, under certain conditions, the spectra of reflected and transmitted light possess the properties of narrowband (quasimonochromatic) or wideband (continuumlike) radiation. It is remarkable that these spectral features appear due to a significant frequency shift and occur inside a photonic band gap of the structure under investigation.
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页数：6
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