Resonance induced by a bound state in the continuum in a two-level nonlinear Fano-Anderson model

被引：29

作者：

Bulgakov, Evgeny N. ^{[1
]}

Sadreev, Almas F. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 11期

关键词：

TRANSMISSION;

D O I：

10.1103/PhysRevB.80.115308

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We consider the transmission through a nonlinear media in the framework of a two-level nonlinear Fano-Anderson model. The model is realized in photonic crystal waveguide coupled with two off-channel defects with the instantaneous Kerr-type nonlinearity. We reveal a resonance and argue that it is a result of excitement of bound state in the continuum (BSC) by transmitted wave. The resonance induced by BSC is located at the energy of BSC with a width proportional to the amplitude of incident wave. The BSC exists at any distance between energy levels of the two-level nonlinear Fano-Anderson model that is fundamentally different from the linear case.

引用

页数：7

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