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Spatial trapping of short pulses in Ti-indiffused LiNbO3 waveguides

Paul Pioger, Vincent Couderc, Laurent Lefort, Alain Barthelemy, Fabio Baronio, Costantino De Angelis, Yoohong Min, Victor Quiring, and Wolfgang Sohler

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Abstract

We show numerically and experimentally that spatial trapping can be induced in quadratic media even if the pump pulse’s duration is shorter than the group-delay mismatch between fundamental wave and second-harmonic components. The influence of phase mismatch and pulse power on the trapping effect is discussed. Spatial, temporal, and spectral behaviors that accompany self-trapped propagation are highlighted.

© 2002 Optical Society of America

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