Optical filter in two-dimension photonic crystal waveguide

被引：0

作者：

Chen, XY ^{[1
]}

Yao, PJ ^{[1
]}

Chen, B ^{[1
]}

Xie, JP ^{[1
]}

Hai, M ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China

来源：

APOC 2003: ASIA-PACIFIC OPTICAL AND WIRELESS COMMUNICATIONS; MATERIALS, ACTIVE DEVICES, AND OPTICAL AMPLIFIERS, PTS 1 AND 2 | 2004年 / 5280卷

关键词：

optical filter; integrated optics; photonic crystal waveguide; photonic bandgap; periodic structure;

D O I：

10.1117/12.521957

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The factors that affect the properties of the filters in a two-dimensional photonic crystal (2-D PC) waveguide are investigated quantitatively. The waveguide is constructed by omitting one line rods in a perfect 2-D PhC composed of circular dielectric rods located at a square lattice. The 2-D PC filters (2-D PCF) are formed by adding some defect rods in the waveguide. The numerical calculation results show that the reflectivity and transmission of the filter are dependent on the size, dielectric constant and number of defect rods. Moreover, the transmission spectrum of a PCF is also obtained by using fast fourier transform (FFT) method and comb-like curve shape similar to that in the transmission spectrum of Fabry-Perot etalons is found in it.

引用

页码：884 / 888

页数：5

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