Engineering of effective quadratic and cubic nonlinearities in two-period QPM gratings

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Título:	Engineering of effective quadratic and cubic nonlinearities in two-period QPM gratings
Autor/a:	Bang, O; B. CLAUSEN, CARL; Torner Sabata, Lluís
Otros autores:	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. FOTONICA - Grup de Recerca de Fotònica
Abstract:	Summary form only given. Quasi-phase-matching (QPM) by electric-field poling in ferro-electric materials, such as LiNbO/sub 3/, is promising due to the possibilities of engineering the photolithographic mask, and thus the QPM grating, without also generating a linear grating. A proper design of the longitudinal grating structure allows for distortion free temporal pulse compression, soliton shaping, broad-band phase matching, multiwavelength second-harmonic generation (SHG), and an enhanced cascaded phase shift. Transverse patterning can be used for beam-tailoring, broad-band SHG and soliton steering.
Abstract:	Peer Reviewed
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació -Telecommunication -Optical design techniques -Lithium compounds -Optical materials -Optical phase matching -Diffraction gratings -Optical pulse compression -Optical solitons -Optical harmonic generation -Nonlinear optical susceptibility -Telecomunicació
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Tipo de documento:	Artículo - Versión publicada Objeto de conferencia
Editor:	OPTICAL SOCIETY OF AMERICA
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