Characterization of femtosecond pulses via transverse second-harmonic generation in random nonlinear media

被引：0
作者：
J. Trull
S. Saltiel
V. Roppo
C. Cojocaru
D. Dumay
W. Krolikowski
D. N. Neshev
R. Vilaseca
K. Staliunas
Y. S. Kivshar
机构：
[1] Universitat Politécnica de Catalunya,Departament de Fisica i Enginyeria Nuclear
[2] Sofia University,Faculty of Physics
[3] Australian National University,Nonlinear Physics Center and Laser Physics Center, Center for Ultrahigh Bandwidth Devices for Optical Systems (CUDOS), Research School of Physics and Engineering
[4] Institució Catalana de Recerca i Estudis Avançats (ICREA),undefined
来源：
Applied Physics B | 2009年 / 95卷
关键词：
42.65.-k; 42.65.Ky; 42.25.Fx;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study, both experimentally and theoretically, the process of second-harmonic generation by two noncollinear beams in ferroelectric crystals with a disordered distribution of ferroelectric domains. We show that this parametric process results in generation of second-harmonic wave in the direction transverse to the propagation of the fundamental beam. We demonstrate how this effect can be used for the femtosecond pulse characterization enabling the estimation of both width and chirp of the pulse.
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页码：609 / 615
页数：6
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