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Counterpropagating spatial solitons in reflection gratings with a longitudinally modulated Kerr nonlinearity (Articolo in rivista)
- Type
- Label
- Counterpropagating spatial solitons in reflection gratings with a longitudinally modulated Kerr nonlinearity (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.98.043901 (literal)
- Alternative label
Ciattoni, A; Rizza, C; DelRe, E; Palange, E (2007)
Counterpropagating spatial solitons in reflection gratings with a longitudinally modulated Kerr nonlinearity
in Physical review letters (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ciattoni, A; Rizza, C; DelRe, E; Palange, E (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR, CASTI Reg Lab, I-67010 Coppito, Italy; Univ Aquila, Dipartimento Fis, I-67010 Laquila, Italy; Univ Aquila, Dipartimento Fis, I-67010 Laquila, Italy; Univ Aquila, CNISM, I-67010 Laquila, Italy; Univ Aquila, Dipartimento Ingn Elettr & Informaz, Lab Ott & Foton, I-67040 Laquila, Italy; Univ Aquila, Dipartimento Ingn Elettr & Informaz, CNISM, I-67040 Laquila, Italy (literal)
- Titolo
- Counterpropagating spatial solitons in reflection gratings with a longitudinally modulated Kerr nonlinearity (literal)
- Abstract
- We investigate quasi-Bragg-matched counterpropagating spatial solitons in a reflection grating in the presence of a longitudinally modulated Kerr nonlinearity. The physical interplay of linear reflection and Kerr self-focusing with the modulation in the nonlinearity yields a variety of elaborate self-action mechanisms. We first analytically predict the existence of symmetric soliton pairs supported by a pure Kerr-like effective nonlinearity. We then analytically derive two families of solitons, associated with the linear grating eigenmodes, supported by an effective 'incoherent' Kerr-like coupling arising from the exact balance between the modulation in the nonlinearity and the Kerr interaction due to beam interference. (literal)
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