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Study of the photonic crystal waveguide based on 2D compound lattice structure

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Abstract

By employing 2D plane wave expansion (PWE) and finite difference time domain (FDTD) methods, a photonic crystal waveguide (PCW) based on the compound square lattice structure is presented. Band-gap can be observed for TM polarization and compared with the simple lattice structure based on the same material, the band-gap is increased by 62.7%. By optimizing the parameters we get the PCW with the propagation only near the wavelength of 1.55 µm and a flat group index curve in a wide wavelength range of 40 nm. And the group velocity dispersion compensation can be realized by the structure optimization. The results provide a reference for the study and application of photonic crystal waveguide based on the compound lattice structure.

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Authors and Affiliations

  1. State Key Laboratory on Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, 100871, China

    Chao-jun Wu  (吴朝军), Yan-ping Li  (李艳萍) & Zi-yu Wang  (王子宇)

Authors
  1. Chao-jun Wu  (吴朝军)
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  2. Yan-ping Li  (李艳萍)
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  3. Zi-yu Wang  (王子宇)
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Corresponding author

Correspondence to Yan-ping Li  (李艳萍).

Additional information

This work has been supported by the National Basic Research Program of China (No. 2006CB604901), the National Natural Science Foundation of China (No. 60807016), and the Doctoral Fund of Ministry of Education of China (No. 200800011003).

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Wu, Cj., Li, Yp. & Wang, Zy. Study of the photonic crystal waveguide based on 2D compound lattice structure. Optoelectron. Lett. 5, 321–323 (2009). https://doi.org/10.1007/s11801-009-9061-3

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  • DOI: https://doi.org/10.1007/s11801-009-9061-3

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