Polarization property of the THz wave generated from a two-color laser-induced gas plasma

被引：11
|
作者：
Wang, Dong [1 ]
Liu, Jinsong [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Optoelect Sci & Engn, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源：
PHYSICAL REVIEW A | 2012年 / 86卷 / 02期
基金：
中国国家自然科学基金;
关键词：
TERAHERTZ PULSES; RECTIFICATION; EMISSION;
D O I：
10.1103/PhysRevA.86.023833
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The recent experiments show that the polarization of the terahertz (THz) wave generated from two-color laser-induced gas plasma is a linear polarization, and the polarization angle of the THz wave can be controlled by the optical delay of the two laser beams. In this paper, the polarization property of the THz wave is studied theoretically via a classical and a quantum model, respectively. An analytical expression is obtained to reflect the relationship between the polarization angle of the THz wave and the relative phase of the two-color lasers.
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收藏
页数：6
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