Surface Optical Nonlinearity in GaP Nanopillar Waveguides

@inproceedings{Swillo2012SurfaceON,
  title={Surface Optical Nonlinearity in GaP Nanopillar Waveguides},
  author={Marcin Swillo and Reza Sanatinia and Sandeep V. Anand},
  year={2012}
}
Second harmonic generation in GaP nanopillars is investigated by polarization measurements and light confinement analysis. Effective thickness of the nonlinear surface region is ~ 10nm and the corresponding nonlinear coefficient 20 times larger than in bulk. 

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