Soliton propagation in slow-light photonic crystal waveguides

The effects of different slow-down factors on two photon absorption and free carrier absorption in silicon-on-insulator (SOI) photonic crystal (PhC) channel waveguides are reported in this paper. It is found that, in the slow light regime, these nonlinear effects are enhanced, but that the enhancement produced depends on the input peak power level. Simulations indicate the possibility of soliton-like propagation of 111 fs pulses at 1.55 μm inside such a photonic crystal waveguide.

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