Second-Harmonic Generation of Super Powerful Femtosecond Pulses Under Strong Influence of Cubic Nonlinearity

被引：47

作者：

Mironov, Sergey Yu. ^{[1
]}

Lozhkarev, Vladimir V. ^{[1
]}

Ginzburg, Vladislav N. ^{[1
]}

Yakovlev, Ivan V. ^{[1
]}

Luchinin, Grigory ^{[1
]}

Shaykin, Andrey ^{[1
]}

Khazanov, Efim A. ^{[1
]}

Babin, Alexey ^{[1
]}

Novikov, Eugeny ^{[1
]}

Fadeev, Sergey ^{[1
]}

Sergeev, Alexander M. ^{[1
]}

Mourou, Gerard A. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

[2] Inst Lumiere Extreme, F-91761 Palaiseau, France

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2012年 / 18卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

Frequency conversion; nonlinear optics; nonlinearities; self-focusing; LASER-PULSES; AMPLIFICATION; CRYSTALS; TI;

D O I：

10.1109/JSTQE.2010.2071375

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：

A theoretical model of second-harmonic generation (SHG) under strong influence of cubic nonlinearity was verified in experiment. Effective energy conversion in thin potassium dihydrogen phosphate crystals at peak intensity up to 5 TW/cm(2) (B-integral equaled 6.4) was demonstrated and no crystal damage was observed. Comparative analysis of SHG of radiation at the fundamental wavelengths of 910 and 800 nm showed the major advantages of the first one. The double-pass geometry of SHG in an ultrathin crystal on a substrate is discussed in detail. Additional correction of parabolic spectral phase of the SH radiation allows pulse duration to be shortened from 20 to 9 fs for 910 nm fundamental wavelength and from 20 to 12 fs for 800 nm.

引用

页码：7 / 13

页数：7

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