Using a Bloch function approach, we predict the existence of parametric gap solitary waves in a grating structure with quadratic nonlinearity. These waves consist of mutually trapped envelopes at the fundamental frequency and at the second harmonic, which are not sustained by any equivalent cubic nonlinearity. (C) 1997 Optical Society of America.
Bloch function approach for parametric gap solitons / Conti, Claudio; Stefano, Trillo; Gaetano, Assanto. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 22:7(1997), pp. 445-447. [10.1364/ol.22.000445]
Bloch function approach for parametric gap solitons
CONTI, CLAUDIO;
1997
Abstract
Using a Bloch function approach, we predict the existence of parametric gap solitary waves in a grating structure with quadratic nonlinearity. These waves consist of mutually trapped envelopes at the fundamental frequency and at the second harmonic, which are not sustained by any equivalent cubic nonlinearity. (C) 1997 Optical Society of America.File allegati a questo prodotto
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