Title :
Second-harmonic generation of light in ferroelectric polymer films with a spatially nonuniform distribution of polarization
Author :
Bauer, Siegfried
Author_Institution :
Inst. fuer Angewandte Physik, Karlsruhe Univ., Germany
Abstract :
A spatial distribution of the spontaneous polarization P s(z) results in a similar spatial distribution of the nonlinear optical coefficients d 31(z), d 32(z), and d 33(z). Large errors in the determination of the coherence length and of the nonlinear optical coefficients can occur if the distribution of the polarization is not taken into account. A proper analysis of second-harmonic data thus requires in any case the knowledge of the polarization distribution, which can be measured by a piezo- and a pyroelectric technique. The optical transfer matrix formalism further allows the study of quasi-phase-matching techniques, optical resonance enhancement techniques for the fundamental or for the harmonic beams and planar waveguide structures.<>
Keywords :
dielectric polarisation; ferroelectric materials; optical harmonic generation; polymer films; ferroelectric polymer films; nonlinear optical coefficients; optical resonance enhancement techniques; optical second harmonic generation; optical transfer matrix formalism; piezoelectric technique; planar waveguide structures; polarization distribution measurement; pyroelectric technique; quasi-phase-matching techniques; spatially nonuniform distribution of polarization; spontaneous polarization; Data analysis; Ferroelectric materials; Nonlinear optics; Optical films; Optical polarization; Optical polymers; Polymer films; Pyroelectricity; Resonance; Transmission line matrix methods;
Journal_Title :
Electrical Insulation, IEEE Transactions on
