Ultrashort optical-vortex pulse generation in few-cycle regime

被引：86

作者：

Yamane, Keisaku ^{[1
,2
]}

Toda, Yasunori ^{[1
,2
]}

Morita, Ryuji ^{[1
,2
]}

机构：

[1] Hokkaido Univ, Dept Appl Phys, Kita Ku, Sapporo, Hokkaido 0608628, Japan

[2] CREST, Japan Sci & Technol Agcy, Chiyoda Ku, Tokyo 1020075, Japan

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 17期

基金：

日本学术振兴会;

关键词：

SPECTRAL SHEARING INTERFEROMETRY; ORBITAL ANGULAR-MOMENTUM; TWISTED LIGHT; VORTICES; BEAMS; COMPENSATION; COMPRESSION; DISPERSION; FS;

D O I：

10.1364/OE.20.018986

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We generated a 2.3-cycle, 5.9-fs, 56-mu J ultrashort optical-vortex pulse (ranging from similar to 650 to similar to 950 nm) in few-cycle regime, by optical parametric amplification. It was performed even by using passive elements (a pair of prisms and chirped mirrors) for chirp compensation. Spectrally-resolved interferograms and intensity profiles showed that the obtained pulses have no spatial or topological-charge dispersion during the amplification process. To the best of our knowledge, it is the first generation of optical-vortex pulses in few-cycle regime. They can be powerful tools for ultrabroadband and/or ultrafast spectroscopy and experiments of high-intensity field physics. (C) 2012 Optical Society of America

引用

页码：18986 / 18993

页数：8

共 24 条

[1] ASTIGMATIC LASER MODE CONVERTERS AND TRANSFER OF ORBITAL ANGULAR-MOMENTUM [J].