Two-dimensional photonic crystal waveguides with 60° bends in a thin slab structure

被引:31
作者
Fukaya, N [1 ]
Ohsaki, D [1 ]
Baba, T [1 ]
机构
[1] Yokohama Natl Univ, Fac Engn, Div Elect & Comp Engn, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2000年 / 39卷 / 5A期
关键词
photonic crystal; waveguide; semiconductor; GaInAsP; lightwave circuit;
D O I
10.1143/JJAP.39.2619
中图分类号
O59 [应用物理学];
学科分类号
摘要
We experimentally investigated the light propagation characteristics of two-dimensional photonic crystal waveguides, for the first time. The difficulty of fabricating photonic crystals with airholes was reduced by employing a thin slab structure with a GaInAsP high refractive index core, and by employing air and SiO2 low index claddings. The light propagation through channels composed of a series of defects in the photonic crystal was observed in the wavelength range 1.51-1.55 mu m. Smooth propagation was maintained even beyond 60 degrees channel bends. The wavelength and polarization dependence of propagation characteristics as well as the peculiar scattering of light to space were explained by the photonic band theory.
引用
收藏
页码:2619 / 2623
页数:5
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