Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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Temperature Stabilization of Group Index in Silicon Slotted Photonic Crystal Waveguides

  • Received : 2011.08.10
  • Accepted : 2011.10.25
  • Published : 2011.12.25
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Abstract

In this paper, we have proposed a principle to design wideband, low dispersion and temperature stabilized slow light structure in slotted photonic crystal waveguide (SPCW). The infiltration of the silicon photonic crystal with polymer will enhance the slow light and increase the group index, whereas the different signs of thermo-optic coefficients of polymer and silicon make the proposed structure stable on temperature variation over $60^{\circ}C$ and improves the group index-bandwidth products of the designed structure. The SPCW structure is modified to maximize the slow light effect and minimize the dependence of the group index and hence the group velocity dispersion to temperature.

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