The disorder effect on the performance of novel waveguides constructed in two-dimensional amorphous photonic materials

doi:10.1088/1674-1056/20/7/074211

中国物理B ›› 2011, Vol. 20 ›› Issue (7): 74211-074211.doi: 10.1088/1674-1056/20/7/074211

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

The disorder effect on the performance of novel waveguides constructed in two-dimensional amorphous photonic materials

陈笑, 王义全

College of Science, Minzu University of China, Beijing 100081, China

收稿日期:2010-12-21 修回日期:2011-01-20 出版日期:2011-07-15 发布日期:2011-07-15

The disorder effect on the performance of novel waveguides constructed in two-dimensional amorphous photonic materials

Chen Xiao(陈笑)^† and Wang Yi-Quan(王义全)

College of Science, Minzu University of China, Beijing 100081, China

Received:2010-12-21 Revised:2011-01-20 Online:2011-07-15 Published:2011-07-15

摘要/Abstract

摘要： On the basis of two-dimensional amorphous photonic materials, we have designed a novel waveguide by inserting thinner cylindrical inclusions in the centre of basic hexagonal units of the amorphous structure along a given path. This waveguide in amorphous structure is similar to the coupled resonator optical waveguides in periodic photonic crystals. The transmission of this waveguide for S-polarized waves is investigated by a multiple-scattering method. Compared with the conventional waveguide by removing a line of cells from amorphous photonic materials, the guiding properties of this waveguide, including the transmissivity and bandwidth, are improved significantly. Then we study the effect of various types of positional disorder on the functionality of this device. Our results show that the waveguide performance is quite sensitive to the disorder located on the boundary layer of the waveguide, but robust against the disorder in the other area in amorphous structure except the waveguide border. This disorder effect in amorphous photonic materials is similar to the case in periodic photonic crystals.

Abstract: On the basis of two-dimensional amorphous photonic materials, we have designed a novel waveguide by inserting thinner cylindrical inclusions in the centre of basic hexagonal units of the amorphous structure along a given path. This waveguide in amorphous structure is similar to the coupled resonator optical waveguides in periodic photonic crystals. The transmission of this waveguide for S-polarized waves is investigated by a multiple-scattering method. Compared with the conventional waveguide by removing a line of cells from amorphous photonic materials, the guiding properties of this waveguide, including the transmissivity and bandwidth, are improved significantly. Then we study the effect of various types of positional disorder on the functionality of this device. Our results show that the waveguide performance is quite sensitive to the disorder located on the boundary layer of the waveguide, but robust against the disorder in the other area in amorphous structure except the waveguide border. This disorder effect in amorphous photonic materials is similar to the case in periodic photonic crystals.

Key words: photonic crystal, amorphous photonic material, waveguide, disorder

中图分类号: (Photonic bandgap materials)

42.70.Qs

42.82.Et (Waveguides, couplers, and arrays)

陈笑, 王义全. The disorder effect on the performance of novel waveguides constructed in two-dimensional amorphous photonic materials[J]. 中国物理B, 2011, 20(7): 74211-074211.

Chen Xiao(陈笑) and Wang Yi-Quan(王义全) . The disorder effect on the performance of novel waveguides constructed in two-dimensional amorphous photonic materials[J]. Chin. Phys. B, 2011, 20(7): 74211-074211.

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The disorder effect on the performance of novel waveguides constructed in two-dimensional amorphous photonic materials

The disorder effect on the performance of novel waveguides constructed in two-dimensional amorphous photonic materials

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