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

Dong Wang and Jinsong Liu
Phys. Rev. A 86, 023833 – Published 20 August 2012

Abstract

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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  • Received 15 December 2011

DOI:https://doi.org/10.1103/PhysRevA.86.023833

©2012 American Physical Society

Authors & Affiliations

Dong Wang and Jinsong Liu*

  • Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

  • *Corresponding author: jsliu4508@vip.sina.com

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Issue

Vol. 86, Iss. 2 — August 2012

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