Effective mode area and its optimization in silicon-nanocrystal waveguides.

  title={Effective mode area and its optimization in silicon-nanocrystal waveguides.},
  author={Ivan D. Rukhlenko and Malin Premaratne and Govind P. Agrawal},
  journal={Optics letters},
  volume={37 12},
We revisit the problem of the optimization of a silicon-nanocrystal (Si-NC) waveguide, aiming to attain the maximum field confinement inside its nonlinear core and to ensure optimal waveguide performance for a given mode power. Using a Si-NC/SiO2 slot waveguide as an example, we show that the common definition of the effective mode area may lead to significant errors in estimation of optical intensity governing the nonlinear optical response and, as a result, to poor strength evaluation of the… CONTINUE READING
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