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Proceedings Paper

Nonlinear photonic crystals of strontium tetraborate: properties and conversion of radiation
Author(s): A. S. Aleksandrovsky; A. M. Vyunishev; A. I. Zaitsev; V. E. Rovsky; V. V. Slabko; A. V. Cherepakhin
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Paper Abstract

Random nonlinear photonic crystal (NPC) structures formed by as-grown domains in a non-ferroelectric strontium tetraborate (SBO) are investigated. The domain shape and orientation are similar to those in ferroelectric KTP. Nonlinear diffraction is the simplest way to detect, evaluate and characterize these structures. Reciprocal superlattice vectors spectra of NPC in SBO are very wide and enable broadband efficiency enhancement of nonlinear optical processes. Second harmonic (SH) generation of femtosecond Ti:sapphire oscillator radiation with 1.9% efficiency is obtained using nonlinear diffraction geometry. Random quasi phase matched generation at the wavelengths of fourth harmonic of Ti:sapphire laser is obtained with average power up to 1μW.

Paper Details

Date Published: 4 June 2010
PDF: 8 pages
Proc. SPIE 7728, Nonlinear Optics and Applications IV, 772819 (4 June 2010); doi: 10.1117/12.853713
Show Author Affiliations
A. S. Aleksandrovsky, Kirensky Institute of Physics (Russian Federation)
Siberian Federal Univ. (Russian Federation)
A. M. Vyunishev, Kirensky Institute of Physics (Russian Federation)
A. I. Zaitsev, Kirensky Institute of Physics (Russian Federation)
Siberian Federal Univ. (Russian Federation)
V. E. Rovsky, Siberian Federal Univ. (Russian Federation)
V. V. Slabko, Siberian Federal Univ. (Russian Federation)
A. V. Cherepakhin, Kirensky Institute of Physics (Russian Federation)


Published in SPIE Proceedings Vol. 7728:
Nonlinear Optics and Applications IV
Benjamin J. Eggleton; Alexander Luis Gaeta; Neil G. R. Broderick, Editor(s)

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