Synthesis of picosecond pulses by spectral compression and shaping of femtosecond pulses in engineered quadratic nonlinear media

Year: 2009

Authors: Marangoni M., Brida D., Conforti M., Capobianco A.D., Manzoni C., Baronio F., Nalesso G.F., De Angelis C., Ramponi R., Cerullo G.

Autors Affiliation: Dipartimento di Fisica-Politecnico di Milano, ULTRAS Istituto Nazionale per la Fisica delle Materia—Consiglio Nazionale delle Ricerche, Piazza Leonardo da Vinci 32, 20133 Milano, Italy; Dipartimento di Elettronica per l’Automazione, Università di Brescia, via Branze 38, 25123 Brescia, Italy; Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Padova, Via Gradenigo 6/B, 35131 Padova, Italy

Abstract: Narrow-bandwidth picosecond pulses of predetermined spectral and temporal shapes are generated with high efficiency by frequency conversion of femtosecond pulses in lithium tantalate crystals with engineered quasi-phase-matching structures. We give examples of the synthesis of Gaussian and super-Gaussian picosecond pulses and also of a pair of synchronized phase-coherent picosecond pulses with a predetermined carrier-frequency difference. (C) 2009 Optical Society of America

Journal/Review: OPTICS LETTERS

Volume: 34 (3)      Pages from: 241  to: 243

KeyWords: Nonlinear Optics
DOI: 10.1364/OL.34.000241

Citations: 25
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