A waveguide reflector based on hybrid one-dimensional photonic crystal waveguides with a semi-cylinder defect

作者:Chen Bing*; Huang Lin; Liu Chunliang; Tang Tiantong; Li Yongdong
来源:Optics Express, 2010, 18(25): 25567-25572.
DOI:10.1364/OE.18.025567

摘要

A hybrid one-dimensional photonic crystal waveguide-a slab waveguide surrounded by one-dimensional photonic crystal with omnidirectional reflection bands, is presented; the transmission/reflection characteristics of the hybrid waveguides with a semi-cylinder defect are investigated by numerical simulation. Calculated results indicate that, as long as the semi-cylinder radius is appropriately adjusted, the high reflectance of 96.7%, nearly zero transmittance and low loss of 3% can be observed. The hybrid waveguide with a semi-cylinder defect can be used as a waveguide reflector. The simple and compact waveguide reflector is expected to be applied to highly dense photonic integrated circuits after further research.

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