Perturbative approach to continuum generation in a fiber Bragg grating.

  title={Perturbative approach to continuum generation in a fiber Bragg grating.},
  author={Paul S. Westbrook and Jeffrey W. Nicholson},
  journal={Optics express},
  volume={14 17},
We derive a perturbative solution to the nonlinear Schrödinger equation to include the effect of a fiber Bragg grating whose bandgap is much smaller than the pulse bandwidth. The grating generates a slow dispersive wave which may be computed from an integral over the unperturbed solution if nonlinear interaction between the grating and unperturbed waves is negligible. Our approach allows rapid estimation of large grating continuum enhancement peaks from a single nonlinear simulation of the… CONTINUE READING

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