Ultra-compact and ultra-broadband TE-pass polarizer with a silicon hybrid plasmonic waveguide

Xiaowei Gaun; Peipeng Xu; Yaocheng Shi; Daoxin Dai

doi:10.1117/12.2039798

8 March 2014 Ultra-compact and ultra-broadband TE-pass polarizer with a silicon hybrid plasmonic waveguide

Xiaowei Gaun, Peipeng Xu, Yaocheng Shi, Daoxin Dai

Proceedings Volume 8988, Integrated Optics: Devices, Materials, and Technologies XVIII; 89880U (2014) https://doi.org/10.1117/12.2039798
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

An ultra-compact TE-pass polarizer with an ultra-broad band is proposed theoretically and demonstrated experimentally by utilizing a silicon hybrid plasmonic waveguide. The metal layer of the silicon hybrid plasmonic waveguide is designed to have an F-P cavity as well as a Bragg grating so that the TM-polarized light is reflected efficiently while the TE-polarized light goes through with very low loss. By utilizing the present structure with a metal Bragg grating, the designed TE-pass polarizer is with a size of as small as 0.5 × 3.1 μμm² and the theoretical extinction ratio is as high as 15 dB over a broad band of >200 nm.

Citation Download Citation

Xiaowei Gaun, Peipeng Xu, Yaocheng Shi, and Daoxin Dai "Ultra-compact and ultra-broadband TE-pass polarizer with a silicon hybrid plasmonic waveguide", Proc. SPIE 8988, Integrated Optics: Devices, Materials, and Technologies XVIII, 89880U (8 March 2014); https://doi.org/10.1117/12.2039798

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