Enhancing molecular orientation by combining electrostatic and four-color laser fields

Shuwu Xu, Yunhua Yao, Chenhui Lu, Tianqing Jia, Jingxin Ding, Shian Zhang, and Zhenrong Sun
Phys. Rev. A 90, 033416 – Published 15 September 2014

Abstract

We propose a scheme to enhance molecular orientation by combing an intense electrostatic field and a four-color laser field. We show that molecular orientation by the combined field can be obtained under a laser-field-free condition, and the maximal orientation degree can be enhanced by comparing with the sum of that individually created by the electrostatic field and the four-color laser field. Our results show that the orientation enhancement results from the larger asymmetry of the four-color laser field because of the existence of the electrostatic field. Furthermore, we also discuss the dependence of the orientation enhancement on the carrier-envelope phase, laser intensity, and pulse duration of the four-color laser field and the molecular rotational temperature.

  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Received 20 May 2014

DOI:https://doi.org/10.1103/PhysRevA.90.033416

©2014 American Physical Society

Authors & Affiliations

Shuwu Xu1,2, Yunhua Yao1, Chenhui Lu1, Tianqing Jia1, Jingxin Ding1,*, Shian Zhang1,†, and Zhenrong Sun1

  • 1State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People's Republic of China
  • 2School of Science, Nantong University, Nantong 226019, People's Republic of China

  • *jxding@phy.ecnu.edu.cn
  • sazhang@phy.ecnu.edu.cn

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 90, Iss. 3 — September 2014

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review A

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×