Nonlinear photonic crystals near the supercollimation point

被引：9
|
作者：
Xu, Zhiyong [1 ,2 ,3 ]
Maes, Bjoern [4 ]
Jiang, Xunya [5 ]
Joannopoulos, John D. [1 ]
Torner, Lluis [2 ,3 ]
Soljacic, Marin [1 ]
机构：
[1] MIT, Dept Phys, Elect Res Lab, Cambridge, MA 02139 USA
[2] Univ Politecn Cataluna, Barcelona 08860, Spain
[3] ICFO, Barcelona 08860, Spain
[4] Univ Ghent, Photon Res Grp, B-9000 Ghent, Belgium
[5] Chinese Acad Sci, Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China
来源：
OPTICS LETTERS | 2008年 / 33卷 / 15期
关键词：
D O I：
10.1364/OL.33.001762
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We uncover a strong coupling between nonlinearity and diffraction in a photonic crystal at the supercollimation point. We show that this is modeled by a nonlinear diffraction term in a nonlinear-Schrodinger-type equation in which the properties of solitons are investigated. Linear stability analysis shows solitons are stable in an existence domain that obeys the Vakhitov-Kolokolov criterium. In addition, we investigate the influence of the nonlinear diffraction on soliton collision scenarios. (C) 2008 Optical Society of America.
引用
收藏
页码：1762 / 1764
页数：3
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