25 April 2012 Slow light in slot photonic crystal waveguides by dispersion engineering
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We introduce a novel design of wide Slot Photonic Crystal Waveguides (SPCW) by structuring the slot as a comb. This allows performing dispersion engineering in order to achieve very low group velocities over a few nanometers bandwidth. This kind of SPCW offers opportunities to realize devices requiring strong interactions between light and an optically non-linear low index material by providing an ultra-high optical density while easing the filling of the slot due to its width. We will present dispersion engineering results by Plane Wave Expansion method and Finite Difference Time Domain analysis.
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Charles Caer, Xavier Le Roux, Delphine Marris-Morini, Laurent Vivien, Eric Cassan, "Slow light in slot photonic crystal waveguides by dispersion engineering", Proc. SPIE 8425, Photonic Crystal Materials and Devices X, 842504 (25 April 2012); doi: 10.1117/12.922539; https://doi.org/10.1117/12.922539

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