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Phys Rev Lett. 2008 Oct 10;101(15):153903. Epub 2008 Oct 8.

Bloch cavity solitons in nonlinear resonators with intracavity photonic crystals.

Author information

  • 1Institució Catalana de Recerca i Estudis Avançats, Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya, Colom 11, 08222 Terrassa, Spain.

Abstract

We predict a novel type of cavity solitons, Bloch cavity solitons, existing in nonlinear resonators with the refractive index modulated in both longitudinal and transverse directions and for both focusing (at normal diffraction) and defocusing (at anomalous diffraction) nonlinearities. We develop a modified mean-field theory and analyze the properties of these novel cavity solitons demonstrating, in particular, their substantial narrowing in the zero-diffraction regime.

PMID:
18999600
[PubMed]
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