Slab-modulated uniform and sampled Bragg gratings in SOI ridge waveguides

Huiye Qiu; Ping Yu; Yuxia Su; Xiaoqing Jiang

doi:10.1117/12.2073572

13 November 2014 Slab-modulated uniform and sampled Bragg gratings in SOI ridge waveguides

Huiye Qiu, Ping Yu, Yuxia Su, Xiaoqing Jiang

Proceedings Volume 9277, Nanophotonics and Micro/Nano Optics II; 92771S (2014) https://doi.org/10.1117/12.2073572
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

We demonstrate uniform and sampled Bragg gratings in silicon-on-insulator ridge waveguides with slab-modulated sidewall corrugations. Coupling coefficient and bandwidth can be precisely controlled by varying the distance between the slab-sidewall corrugations and the ridge. A bandwidth of 3 nm at the center wavelength of 1550 nm for uniform Bragg gratings is achieved for 100 nm slab-sidewall corrugation. Based on this structure, sampled gratings with 0.4 nm bandwidth are proposed. The measured results show good agreement with theoretical analyses.

Citation Download Citation

Huiye Qiu, Ping Yu, Yuxia Su, and Xiaoqing Jiang "Slab-modulated uniform and sampled Bragg gratings in SOI ridge waveguides", Proc. SPIE 9277, Nanophotonics and Micro/Nano Optics II, 92771S (13 November 2014); https://doi.org/10.1117/12.2073572

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