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- Title
The manipulation of polarized terahertz generation by incommensurate two-color laser pulses with circular polarization.
- Authors
Zhuang, Longzhen; Ni, Ming; Chen, Xi; Wang, Zhaoqiang; Lu, Chenhui
- Abstract
We theoretically investigate the polarized terahertz (THz) generation in laser–gas interaction using circularly polarized (CP) two-color laser pulses with uncommon frequencies. We show that these laser pulses can be applied to generate polarized THz radiation, and the polarization of THz radiation, which ranges from linear to circular, can be controlled in a flexible manner by manipulating the laser parameters, such as the relative phase and phase angle. Furthermore, in contrast to traditional harmonic frequency combinations, the polarization states of the incommensurate lasers undergo complex evolution with the phase angle, resulting in a noteworthy influence on the THz yield. The obtained results could deepen our understanding of polarized THz radiation generation.
- Subjects
CIRCULAR polarization; FEMTOSECOND pulses; LASER pulses; LASER-plasma interactions; RADIATION
- Publication
Modern Physics Letters B, 2024, Vol 38, Issue 20, p1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984924501859