Silicon waveguide modulator based on carrier depletion in periodically interleaved PN junctions.

  title={Silicon waveguide modulator based on carrier depletion in periodically interleaved PN junctions.},
  author={Zhiyong Li and D. Xu and Warrick McKinnon and Siegfried Janz and Jens H. Schmid and Pavel Cheben and Jin-Zhong Yu},
  journal={Optics express},
  volume={17 18},
We present the design and numerical simulation results for a silicon waveguide modulator based on carrier depletion in a linear array of periodically interleaved PN junctions that are oriented perpendicular to the light propagation direction. In this geometry the overlap of the optical waveguide mode with the depletion region is much larger than in designs using a single PN junction aligned parallel to the waveguide propagation direction. Simulations predict that an optimized modulator will… CONTINUE READING
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