Spectral transformations in the regime of pulse self-trapping in a nonlinear photonic crystal

Details Spectral transformations in the regime of pulse self-trapping in a nonlinear photonic crystal Spectral transformations in the regime of pulse self-trapping in a nonlinear photonic crystal

2011-11-30

arxiv.org/abs/1111.7058v1

Phys. Rev. A 84, 053857 (2011)

Physics

Optics

7 pages, 8 figures

Scientific paper

10.1103/PhysRevA.84.053857

We consider interaction of a femtosecond light pulse with a one-dimensional photonic crystal with relaxing cubic nonlinearity in the regime of self-trapping. By use of numerical simulations, it is shown that, under certain conditions, the spectra of reflected and transmitted light possess the properties of narrow-band (quasi-monochromatic) or wide-band (continuum-like) radiation. It is remarkable that these spectral features appear due to a significant frequency shift and occur inside a photonic band gap of the structure under investigation.

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