Observation of soliton ridge states for the self-imprinting of fiber-slab couplers

Eugenio DelRe*, Angelo D'Ercole, Elia Palange, Aharon J. Agranat

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We investigate experimentally the energy exchange patterns and consequent propagation dynamics of an extended hybrid-dimensional interaction between a one-dimensional and a two-dimensional spatial soliton in a biased photorefractive crystal. Results show that conditions can be found in which the coupling manifests propagation invariant features. The mechanism hinges on mutual distortion through spatially nonlocal components of response, as opposed to standard wave overlap, which would lead to a diffusion of the needle into the slab mode. These nonlocal-nonlinearity-driven ridge modes represent the instrument for writing fiber-slab couplers, the key to attaining soliton-based wavelength selectivity with electroactivated features.

Original languageAmerican English
Article number191110
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number19
DOIs
StatePublished - 9 May 2005

Bibliographical note

Funding Information:
Research was funded by the Italian Istituto Nazionale Fisica della Materia (INFM) through the “Solitons Embedded in Holograms” project, and by the Italian Ministry for Research, through the Basic Research Fund (FIRB). We acknowledge the support of the DEWS Center for Excellence (L’Aquila).

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