Non linearity-controllable all-optical logic gates based on broadband defect mode

被引：0
|
作者：
Liu, Bin [1 ]
Tian, Huiping [1 ]
Lu, Hui [1 ]
Ji, Yuefeng [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Key Lab Informat Photon & Opt Commun, Minist Educ, Beijing 100876, Peoples R China
来源：
OPTICA APPLICATA | 2010年 / 40卷 / 03期
关键词：
photonic crystals; all-optical logic gates; broadband defect mode; nonlinearity; PHOTONIC CRYSTALS; AMPLIFIER;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
To avoid the adverse effect of unstable nonlinear progress on the design of all-optical logic gates, the broadband defect mode of one-dimensional photonic crystal with dual-defects has been studied. By using transfer matrix method, influences of period number and refractive indices on crystal's transmission spectrum are analyzed. It is pointed out that with proper parameters, broadband defect mode, which could be used to reduce the influence between the nonlinear refractive index and field distribution, can be gained. Due to this fact, the designed XOR, AND and NOT logic gates can be steadily controlled with low-threshold and high-contrast.
引用
收藏
页码：657 / 668
页数：12
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