Genetic algorithm and finite-element design of short single-section passive polarization converter

@article{Correia2003GeneticAA,
  title={Genetic algorithm and finite-element design of short single-section passive polarization converter},
  author={Davi Correia and J. P. da Silva and H. E. Hern{\'a}ndez-Figueroa},
  journal={IEEE Photonics Technology Letters},
  year={2003},
  volume={15},
  pages={915-917}
}
A very short passive polarization rotator is proposed, consisting of a single-section asymmetric waveguide. The use of a genetic algorithm together with the finite-element method was crucial to achieve a structure with 99% polarization conversion and a length of 90 /spl mu/m. This optimum structure exhibits a low total insertion loss: 1.16 dB. 
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