Time-dependent Bragg diffraction and short-pulse reflection by one-dimensional photonic crystals

@article{Andre2015TimedependentBD,
  title={Time-dependent Bragg diffraction and short-pulse reflection by one-dimensional photonic crystals},
  author={Jean-michel Andr'e and Philippe Jonnard},
  journal={Journal of Optics},
  year={2015},
  volume={17}
}
The time-dependence of the Bragg diffraction by one-dimensional photonic crystals and its influence on the short pulse reflection are studied in the framework of the coupled-wave theory. The indicial response of the photonic crystal is calculated and it appears that it presents a time-delay effect with a transient time conditioned by the extinction length. A numerical simulation is presented for a Bragg mirror in the x-ray domain and a pulse envelope modelled by a sine-squared shape. The… 

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