Two-Dimensional Control of Rydberg Fragment Emission in Dissociative Frustrated Ionization of Oxygen

Junyang Ma; Yongzhe Ma; Pengzhao Wang; Fan Yang; Lei Xiong; Yan Yang; Hongcheng Ni; Jian Wu; Zhenrong Sun

doi:10.34133/ultrafastscience.0053

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Two-Dimensional Control of Rydberg Fragment Emission in Dissociative Frustrated Ionization of Oxygen

Research | Updated：2024-10-22

- Two-Dimensional Control of Rydberg Fragment Emission in Dissociative Frustrated Ionization of Oxygen
- 超快科学（英文） 2024年4卷第3期
- Affiliations：
  
  a State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East ChinaNormal University, Shanghai 200241, China. b Collaborative Innovation Center of Extreme Optics, ShanxiUniversity, Taiyuan, Shanxi 030006, China. c CAS Center for Excellence in Ultra-intense Laser Science,Shanghai 201800,China
- Author bio：
- Funds：
- DOI：10.34133/ultrafastscience.0053
  中图分类号：
- 纸质出版日期：2024，
- Accepted：
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Junyang Ma, Yongzhe Ma, Pengzhao Wang, Fan Yang, Lei Xiong, Yan Yang, Hongcheng Ni, Jian Wu, Zhenrong Sun. 2024: Two-Dimensional Control of Rydberg Fragment Emission in Dissociative Frustrated Ionization of Oxygen. 超快科学, Vol 4(3).

Junyang Ma, Yongzhe Ma, Pengzhao Wang, Fan Yang, Lei Xiong, Yan Yang, Hongcheng Ni, Jian Wu, Zhenrong Sun. 2024: Two-Dimensional Control of Rydberg Fragment Emission in Dissociative Frustrated Ionization of Oxygen. Ultrafast Science, Vol 4(3).
Junyang Ma, Yongzhe Ma, Pengzhao Wang, Fan Yang, Lei Xiong, Yan Yang, Hongcheng Ni, Jian Wu, Zhenrong Sun. 2024: Two-Dimensional Control of Rydberg Fragment Emission in Dissociative Frustrated Ionization of Oxygen. 超快科学, Vol 4(3). DOI： 10.34133/ultrafastscience.0053

Junyang Ma, Yongzhe Ma, Pengzhao Wang, Fan Yang, Lei Xiong, Yan Yang, Hongcheng Ni, Jian Wu, Zhenrong Sun. 2024: Two-Dimensional Control of Rydberg Fragment Emission in Dissociative Frustrated Ionization of Oxygen. Ultrafast Science, Vol 4(3). DOI： 10.34133/ultrafastscience.0053

摘要

Advances in producing tailored ultrashort laser pulses have enabled the generation and control of molecular dissociative Rydberg excitation along the polarization axis of the laser field. Here

we exploit the orthogonally polarized two-color femtosecond laser fields and achieve an unprecedented two-dimensional control of Rydberg fragment emission in the dissociative frustrated single ionization of oxygen. The Rydberg fragments are collected over the 4π solid angle

whose momentum distribution is manifested in a characteristic four-lobe pattern. Through precise scanning of the relative phase of the orthogonal two-color laser fields

we demonstrate control over asymmetric directional emission of the Rydberg fragments. Our experimental findings are well supported by classical trajectory Monte Carlo simulations

which suggest an efficient emission control achieved through the manipulation of charge localization upon ionization.

Abstract

Advances in producing tailored ultrashort laser pulses have enabled the generation and control of molecular dissociative Rydberg excitation along the polarization axis of the laser field. Here

whose momentum distribution is manifested in a characteristic four-lobe pattern. Through precise scanning of the relative phase of the orthogonal two-color laser fields

we demonstrate control over asymmetric directional emission of the Rydberg fragments. Our experimental findings are well supported by classical trajectory Monte Carlo simulations

which suggest an efficient emission control achieved through the manipulation of charge localization upon ionization.

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