Creation of a stop band by introducing parallel-hetero-perturbation in two-dimensional photonic crystal waveguides

被引：4

作者：

Wang, Chen ^{[1
]}

Zhou, Chang-Zhu ^{[1
]}

Li, Zhi-Yuan ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100190, Peoples R China

来源：

JOURNAL OF OPTICS | 2011年 / 13卷 / 05期

关键词：

photonic band-gap materials; optical waveguides and couplers; CAVITY; HETEROSTRUCTURES; TRANSMISSION; NANOCAVITY; EMISSION; DEFECT;

D O I：

10.1088/2040-8978/13/5/055101

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate the design and fabrication of a parallel-hetero-perturbation structure made by setting the two composite semi-infinite claddings of a perfect two-dimensional photonic crystal slab W1 waveguide to have different lattice constants. The transmission spectra of this structure are measured experimentally, and the result shows an additional band gap in the middle of the transmission region of either ordinary W1 waveguide that is introduced in the cladding photonic crystal slab. The appearance of the stop band is ascribed to the mismatch of the phase condition during the light propagation along the waveguide. Our experimental results are in good agreement with numerical simulations.

引用

页数：5

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