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17 January 2005 Optical reflector based on two-dimensional photonic crystal constructed by a square lattice of air holes
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Abstract
The optical reflector based on two-dimensional photonic crystal constructed by a square lattice of dielectric rods has already been reported in recent years, But the enormous difficulties to fabricate this structure are well-known, because the height of the rods must be finite in a real system so in this case no guided modes appears when air waveguides are created. On the contrary, there is not this inherent limitation for the photonic crystal waveguide made of air holes. In this paper, I will demonstrate an optical reflector based on photonic crystal,which constructed by air holes introduced into high index material. We design a monomode waveguide with even symmetry and discuss the characteristic of the reflector obtained by inserting several defects into the monomode waveguide in FDTD method.This kind of reflectors still have guided mode even if it possess finite thickness. This will make optical reflector based on two-dimensional photonic crystal nearer to practical application.
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PeiJun Yao, Yonghua Lu, XiYao Chen, Bo Chen, Xiaojin Jiao, Pei Wang, Jianping Xie, and Hai Ming "Optical reflector based on two-dimensional photonic crystal constructed by a square lattice of air holes", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); https://doi.org/10.1117/12.574395
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