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22 February 2012 A butt-coupled low dispersion slow light photonic crystal waveguide
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Abstract
A butt-coupled low dispersion slow light photonic crystal waveguide has been proposed in this paper. It is comprised of two types of photonic crystal waveguides which have opposite dispersion curve. These two types of photonic crystal waveguides have been solely adjusted the radius of air-holes rather than change its position. Based upon our analysis, the average group index achieves 35 with Δ λ=6nm and this scope can be enlarged by fine adjustment. Finite-different timedomain method has been adopted to execute the simulation and the result demonstrates that the pulse has been modified when it propagates in this butt-coupled photonic crystal waveguide.
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Xiang Zhang, Hanlin Peng, and Xiuhong Fan "A butt-coupled low dispersion slow light photonic crystal waveguide", Proc. SPIE 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration, 83330X (22 February 2012); https://doi.org/10.1117/12.913025
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