Nonlinear photonic crystals of strontium tetraborate: properties and conversion of radiation

被引：1

作者：

Aleksandrovsky, A. S. ^{[1
,2
]}

Vyunishev, A. M. ^{[2
]}

Zaitsev, A. I. ^{[1
,2
]}

Rovsky, V. E. ^{[2
]}

Slabko, V. V. ^{[2
]}

Cherepakhin, A. V. ^{[1
]}

机构：

[1] Kirensky Inst Phys, Akademgorodok 50-38, Krasnoyarsk 660036, Russia

[2] Siberian Fed Univ, Krasnoyarsk 660041, Russia

来源：

NONLINEAR OPTICS AND APPLICATIONS IV | 2010年 / 7728卷

关键词：

nonlinear photonic crystal; strontium tetraborate; second harmonic generation; SRB4O7;

D O I：

10.1117/12.853713

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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 1 mu W.

引用

页数：8

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