Chinese Optics Letters, 2010, 8 (7): 697, Published Online: Jul. 19, 2010  

Four-wave mixing model solutions for polarization control of terahertz pulse generated by a two-color laser field in air Download: 762次

Author Affiliations
1 Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2 College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
Abstract
A four-wave mixing (FWM) model is used to analyze the polarization control of terahertz (THz) pulse generated by a two-color laser field in air. The analytic formula for the THz intensity varying with the THz polarizer angle, and the relative phase between the two pulses, are obtained. The corresponding numerical results agree well with both numerical result obtained from a quantum model and measured data reported. Moreover, possible phenomena are predicted for variables not found in other experiments. Compared with the quantum model, the FWM model gives analytic formulas and clear physical pictures, and has the advantage of efficient computing time.

Zheng Chu, Jinsong Liu, Kejia Wang, Jianquan Yao. Four-wave mixing model solutions for polarization control of terahertz pulse generated by a two-color laser field in air[J]. Chinese Optics Letters, 2010, 8(7): 697.

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