Title :
Enhancement of terahertz radiation with circularly polarized two-color fields
Author :
Chao Meng;Wenbo Chen;Zhihui Lv;Xiaowei Wang;Yindong Huang;Dongwen Zhang;Zengxiu Zhao;Jianmin Yuan
Author_Institution :
Department of Physics, National University of Defense Technology, Changsha, 410073, China
Abstract :
We demonstrate an enhancement of terahertz wave generation from plasma produced by circularly polarized two-color fields when the laser intensity is high enough to saturately ionize the gas. Comparing to the linear two-color fields, the conversion efficiency of co-rotating circularly polarized two color-fields is about 40% higher.
Keywords :
"Terahertz radiation","Polarization","Plasmas","Electric fields","Frequency conversion","Optical retarders","Wires"
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2015 40th International Conference on
Electronic_ISBN :
2162-2035
DOI :
10.1109/IRMMW-THz.2015.7327924
