Parallel subsystem: An almost precise solution for two-wave mixing in sillenites

Autor(en): Hu, Y
Ringhofer, KH
Shamonina, E
Stichwörter: BI12SIO20; CRYSTALS; Optics; PHOTOREFRACTIVE DIFFRACTION; POLARIZATION PROPERTIES
Erscheinungsdatum: 2001
Herausgeber: OPTICAL SOC AMER
Journal: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volumen: 18
Ausgabe: 8
Startseite: 1137
Seitenende: 1143
Zusammenfassung: 
We deal with the vectorial equations of two-wave mixing without an external field (diffusion response) in Bi12SiO20 and Bi12TiO20 by splitting the vectorial amplitudes of signal and reference waves into a parallel part whose direction is determined by the optical activity rotation and into a perpendicular part. By doing so we obtain an approximation scheme that works particularly well after optimization with respect to the input polarization. Exploring the relevant crystal configurations [L, T, and D geometry of the (110) cut and T ` and D ` geometry of the (111) cut], we show that for common crystal thicknesses our approximate solution is almost as precise as the numeric solution. (C) 2001 Optical Society of America.
ISSN: 07403224
DOI: 10.1364/JOSAB.18.001137

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