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Second-harmonic generation by intense beams containing phase dislocations:self-breaking into sets of solitons

Autor
Petrov, D.; Torner, L.
Tipus d'activitat
Article en revista
Revista
Optical and quantum electronics
Data de publicació
1997-12
Volum
29
Número
12
Pàgina inicial
1037
Pàgina final
1046
DOI
https://doi.org/10.1023/A:1018502305736 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/97893 Obrir en finestra nova
URL
http://link.springer.com/article/10.1023/A:1018502305736 Obrir en finestra nova
Resum
Second-harmonic generation of light in bulk quadratic non-linear media with intense input beams containing phase dislocations is studied numerically under conditions for TypeI phase-matching. We investigate how, above a threshold light intensity, the input beams self-split along the azimuthal direction into a pattern of separate beams which then form a set of spatial solitons. The mechanism of such a behaviour is the azimuthal modulational instability of the ring-shaped, mutually trapped fundame...
Citació
Petrov, D., Torner, L. Second-harmonic generation by intense beams containing phase dislocations:self-breaking into sets of solitons. "Optical and quantum electronics", Desembre 1997, vol. 29, núm. 12, p. 1037-1046.
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FOTONICA - Grup de Recerca de Fotònica

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