Efficient isolated attosecond pulse generation from a multi-cycle two-color laser field

被引：46
作者：
Cao, Wei [1 ]
Lu, Peixiang
Lan, Pengfei
Wang, Xinlin
Yang, Guang
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[3] Huazhong Univ Sci & Technol, Sch Optoelect Sci & Engn, Wuhan 430074, Peoples R China
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 02期
关键词：
D O I：
10.1364/OE.15.000530
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a new scheme to generate efficient isolated attosecond pulse by using the combination of a fundamental and a weak second harmonic ( SH) field in the multi-cycle regime. Because of the symmetry breaking of the electric field, the ionization dynamics of the electron can be controlled by adjusting the relative phase of the two fields. Then attosecond ( as) pulses will be generated each full optical cycle of the fundamental field. Our simulation shows that the intensity of the single attosecond pulse can be enhanced by an order of magnitude in our scheme compared with the scheme in [ Opt. Lett. 31, 975 ( 2006)]. (c) 2007 Optical Society of America.
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收藏
页码：530 / 535
页数：6
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