High-contrast light-by-light switching and AND gate based on nonlinear photonic crystals

被引:118
作者
Zhu, ZH [1 ]
Ye, WM [1 ]
Ji, JR [1 ]
Yuan, XD [1 ]
Zen, C [1 ]
机构
[1] Natl Univ Def Technol, Res Ctr Photon Crystals, Changsha 410073, Hunan, Peoples R China
关键词
D O I
10.1364/OE.14.001783
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a light-by-light photonic crystal configuration consisting of a bent waveguide with three embedded Kerr-type nonlinear rods and a T-branch waveguide. We show that such a configuration can also demonstrate all-optical AND gate operation with extremely high contrast between the OFF state and the ON state in its transmission. The photonic crystal configuration of all-optical light-by-light switching is simple and thus facilitates the fabrication of practical all-optical devices and further large-scale optical integration. (c) 2006 Optical Society of America.
引用
收藏
页码:1783 / 1788
页数:6
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