Title :
Nonlinear Disorder Mapping Through Three-Wave Mixing
Author :
Pasquazi, A. ; Busacca, A. ; Stivala, S. ; Morandotti, R. ; Assanto, G.
Author_Institution :
Ultrafast Opt. Process. Group, Univ. du Quebec Varennes, Varennes, QC, Canada
Abstract :
We implement a simple and powerful approach to characterize the domain distribution in the bulk of quadratic ferroelectric crystals via far-field second-harmonic spectroscopy. The approach is demonstrated in a lithium tantalate sample with periodic electric field poling and random mark-to-space ratio.
Keywords :
dielectric polarisation; ferroelectric materials; lithium compounds; multiwave mixing; optical harmonic generation; optical materials; LiTaO3; domain distribution; far-field second-harmonic spectroscopy; lithium tantalate sample; nonlinear disorder mapping; periodic electric field poling; quadratic ferroelectric crystals; random mark-to-space ratio; three-wave mixing; Crystals; Ferroelectric materials; Frequency conversion; Nonhomogeneous media; Nonlinear optics; Optical frequency conversion; Optical mixing; Optical scattering; Photonics; Ultrafast optics; Second-harmonic generation; image analysis; random quasi phase matching;
Journal_Title :
Photonics Journal, IEEE
DOI :
10.1109/JPHOT.2009.2039866
