We show that supercontinuum generation in a fiber containing a Bragg grating exhibits >10× enhancement near the Bragg resonance wavelength. We also show that the grating dispersion exceeds the waveguide dispersion over a bandwidth far in excess of its photonic band gap. The observed enhancement is consistent with nonlinear Schrödinger equation simulations of the supercontinuum formation that combine grating and waveguide dispersion.
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Westbrook et al. (2004) studied this question.
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