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Temporal Gap Solitons and All-Optical Control of Group Delay in Line-Defect Waveguides

By S. Malaguti, G. Bellanca, S. Combriè, A. de Rossi and S. Trillo

Abstract

We show that a model based on anticrossing between highly group velocity-mismatched gap-guided and index-guided modes describes gap soliton propagation in photonic crystal waveguides. Such nonlinear solutions can be exploited for exploring new regimes such as all-optical control of group velocity (dispersionless slow light) over a submillimeter length scale, and propagation beyond the linear modal cutoff. The results are validated by means of finite-difference time domain simulations

Topics: Temporal gap solitons, gap solitons, nonlinear optics, Photonic Crystal Waveguides, Photonic Crystals
Year: 2012
DOI identifier: 10.1103/PhysRevLett.109.163902
OAI identifier: oai:iris.unife.it:11392/1720696
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