Bistability, limiting, and self-pulsing in backward second-harmonic generation: a time-domain approach

Year: 2006

Authors: Lauritano M., Parini A., Bellanca G., Trillo S., Conforti M., Locatelli A., De Angelis C.

Autors Affiliation: Department of Engineering, University of Ferrara, Via Saragat 1, 44100 Ferrara, Italy; Dipartimento di Elettronica per l’Automazione, Università di Brescia, via Branze 38, 25123 Brescia, Italy

Abstract: We investigate backward second-harmonic generation in short-period quasi-phase-matched gratings by means of a finite-difference time-domain method adapted to modelling dispersive nonlinear propagation in the one-dimensional quasi-scalar approximation. Particular emphasis is placed on instability phenomena, encompassing bistability, limiting (frustrated
bistability), and self-pulsing. We check the behaviour of the frequency conversion process against the prediction of the coupled-mode theory.


Volume: 8 (7)      Pages from: S494  to: S501

KeyWords: Second harmonic generation
DOI: 10.1088/1464-4258/8/7/S29

Citations: 15
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