Wide band slow light with large NDBPat any group index in photonic crystal waveguide

Zheng Xia; Changhong Li; Min Wu

doi:10.1117/12.2247332

19 October 2016 Wide band slow light with large NDBPat any group index in photonic crystal waveguide

Zheng Xia, Changhong Li, Min Wu

Proceedings Volume 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration; 101520M (2016) https://doi.org/10.1117/12.2247332
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Based on combining material schemes and structure optimizing of two-dimensional triangular lattice photonic crystal, one methodology to improve slow light properties are proposed to support large NDBP at any group index in a photonic crystal line defect waveguide. Firstly, the effects of first and second row holes reflective indies n₁ and n₂ has been discussed, respectively. Then, one of the structural parameters, radius of holes in the first row r₁, has been adjusted to extend the range of group index with large NDBP. By properly adjusting various combinations of n₁ and r₁, the value of NDBP higher than 0.319 can be obtained at group index from 50 to 200. The design has shown the feasibility of post-fabrication technology to generate high performance slow light at any group index.

Citation Download Citation

Zheng Xia, Changhong Li, and Min Wu "Wide band slow light with large NDBPat any group index in photonic crystal waveguide", Proc. SPIE 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration, 101520M (19 October 2016); https://doi.org/10.1117/12.2247332

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