Self-pulsing and bistability in nonlinear Bragg gratings

Year: 2007

Authors: 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 characterize the Hopf bifurcations that rule self-pulsing of spatially varying fields in distributed feedback structures with Kerr nonlinear response. Our analysis allows us to distinguish, inside the stop band, between fully unstable regions and those where stable high transmission mediated by localized waves is achievable dynamically. Outside the stop band, the grating reveals a complex behavior where islands of stability are interspersed between regions of self-pulsing and bistability. Numerical integration of the time-dependent coupled-mode equations validates our linear stability analysis and illustrates the dynamics. 0 2007 Optical Society of America.

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B: OPTICAL PHYSICS

Volume: 24 (9)      Pages from: 2229  to: 2237

KeyWords: Nonlinear Optics
DOI: 10.1364/JOSAB.24.002229

Citations: 20
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