Article
Multidisciplinary Sciences
Yudong Yang, Roland E. Mainz, Giulio Maria Rossi, Fabian Scheiba, Miguel A. Silva-Toledo, Phillip D. Keathley, Giovanni Cirmi, Franz X. Kartner
Summary: Attosecond science can reveal fundamental electronic dynamics in matter by improving spectral tunability and increasing photon flux in high-order harmonic sources. Parametric waveform synthesis enables the generation of highly-tunable isolated attosecond pulses, with central energy, spectral bandwidth/shape, and temporal duration controlled by shaping laser waveforms through relative-phase and carrier-envelope phase parameters. This advancement not only expands experimental possibilities in attosecond science, but also demonstrates coherent strong-field control of free-electron trajectories using tailored optical waveforms.
NATURE COMMUNICATIONS
(2021)
Article
Physics, Multidisciplinary
Yueying Liang, Xinkui He, Kun Zhao, Hao Teng, Zhiyi Wei
Summary: This article theoretically investigates the generation of isolated attosecond pulses in argon at different gas pressures and medium lengths. It is found that the output of attosecond pulses can be effectively enhanced by using a longer gas medium with optimized pressure.
Article
Physics, Multidisciplinary
Yun-He Xing, Jun Zhang, Xiao-Xin Huo, Qing-Yun Xu, Xue-Shen Liu
Summary: In this study, we numerically investigate the ellipticity of the high-order harmonic generation from oriented H2+ exposed to a linearly polarized laser field by solving the 2D TDSE. The numerical simulations reveal that the harmonic ellipticity is highly sensitive to the alignment angle. At a specific alignment angle theta = 30 degrees, the harmonic spectrum is highly elliptically polarized and remains unaffected by variations in the laser parameters. The position of the harmonic intensity minima indicates the high ellipticity, which can be explained by the two-center interference effect. This result is significant for synthesizing highly elliptical isolated attosecond pulses for exploring ultrafast dynamics of molecules and studying chiral light-matter interaction.
Article
Optics
Vasily V. Strelkov, Margarita A. Khokhlova
Summary: In this study, we investigate the production of an isolated attosecond pulse through phase-matching gating technique and intense laser pulses. We study the XUV energy as a function of propagation distance and find the upper limit of the fundamental pulse duration for attosecond pulse generation.
Article
Optics
Younes Adnani, Abdelmalek Taoutioui, Abdelkader Makhoute, Karoly Tokesi, Hicham Agueny
Summary: In this study, a numerical scheme combined with pulse chirping and trapped electrons in metal surfaces is proposed to efficiently generate ultrabroadband isolated attosecond pulses (IAPs) using the characteristic features of an infrared single-cycle pulse. The experimental results demonstrate the generation of ultrabroadband IAPs with a duration of 370 as and covering the photon energy range of 50-250 and 350-450 eV.
Article
Physics, Applied
Cong Min, Yi Zhang, Chaojin Zhang, Chengpu Liu
Summary: The proposed laser synthesis scheme combines single-color and hyper-Gaussian pulses to generate an isolated attosecond pulse (IAP) through interacting with pre-aligned molecules. Numerical results show that under certain hyper-Gaussian parameters, the scheme efficiently produces an IAP, with sensitivity to molecular pre-alignment angles. Optimal hyper-Gaussian parameters and pre-alignment angles can support the generation of the strongest IAP.
MODERN PHYSICS LETTERS B
(2021)
Article
Physics, Multidisciplinary
Du Jin-Xu, Wang Guo-Li, Li Xiao-Yong, Zhou Xiao-Xin
Summary: With the rapid development of laser technology, controlling optical waveforms to generate ultrashort isolated attosecond pulses (IAP) is possible. This study focuses on optimizing multicolor fields to improve high order harmonic emission and generate shorter IAPs. The effects of gas pressure on the emission properties are also investigated. The study provides important theoretical guidance for generating ultra-short IAPs in experiment.
ACTA PHYSICA SINICA
(2022)
Article
Physics, Multidisciplinary
Rishat Zagidullin, Stefan Tietze, Matt Zepf, Jingwei Wang, Sergey Rykovanov
Summary: This paper investigates the dynamics of single attosecond pulse generation from a relativistically oscillating plasma mirror. It finds that the required carrier-envelope phase for generating a single attosecond pulse is different from previous expectations due to the relative plasma density and preplasma scale length.
MATTER AND RADIATION AT EXTREMES
(2023)
Article
Optics
Zhiyong Qin, Changhai Yu, Jiansheng Liu, Zhijun Zhang, Shiyi Zhou, Zibo Xu, Jintan Cai, Xuhui Jiao, Zhongtao Xiang
Summary: We propose an efficient method for generating macroscopic high-order harmonics with a smooth broadband continuous spectrum structure using a temporal asymmetric laser field. The study shows that the selected continuous high-order harmonic spectra can support isolated attosecond pulses in the extreme ultraviolet region. Analysis reveals that the smooth broadband continuous spectrum is dominated by long-trajectory electron emissions.
Article
Physics, Multidisciplinary
Chen Gao
Summary: The generation of high-order harmonics and attosecond pulses from helium atoms using a three-color laser field was theoretically investigated. Compared to a two-color laser field, the three-color laser field exhibited higher conversion efficiency and broader spectrum, leading to the generation of 128 attosecond isolated short pulses.
ACTA PHYSICA SINICA
(2022)
Article
Optics
Yan Jiang, Zi-Yu Chen, Zhanjun Liu, Lihua Cao, Chunyang Zheng, Rui Xie, Yue Chao, Xiantu He
Summary: Through particle-in-cell simulations, giant isolated attosecond pulses can be directly generated from relativistic laser-driven plasmas, offering a promising alternative for ultrafast studies with high intensity without the need for further spectral filtering. The underlying radiation mechanism is coherent synchrotron emission, allowing the transmitted pulses to reach relativistic intensity.
Article
Optics
Ahmad Reza Madhani, Elnaz Irani, Mohammad Monfared
Summary: This paper theoretically investigates the generation of isolated elliptically polarized attosecond pulses from the interaction of Cl2 molecule and a polarization-gating laser pulse. Two methods are proposed, one using a single-color laser and controlling the molecule orientation angle, and the other using a two-color laser and adjusting the intensity ratio. The achieved attosecond pulses have different ellipticities and pulse durations.
Review
Optics
Katsumi Midorikawa
Summary: Research on isolated attosecond pulses (IAPs) based on high-order harmonic generation underwent significant changes around 2010. The use of mid-infrared optical parametric amplifier as the driving source led to improved performance of IAPs in terms of pulse width, intensity, and photon energy. However, the limited flux of IAPs still restricts their applications.
Article
Optics
Chunyang Zhai, Xiaosong Zhu, Jie Long, Renzhi Shao, Yinfu Zhang, Lixin He, Qingbin Tang, Yingbin Li, Pengfei Lan, Benhai Yu, Peixiang Lu
Summary: A scheme to generate elliptically polarized attosecond pulses with mixed gases is proposed and theoretically demonstrated. The large ellipticity of high-order harmonics from the mixture can be tuned by controlling the mixing ratio and molecular alignment angle, and the polarization control is independent of temporal profile manipulation.
Article
Physics, Multidisciplinary
J. P. Kennedy, B. Dromey, M. Yeung
Summary: Bright attosecond pulses of extreme ultraviolet and x-ray radiation can be generated when intense light is incident on a solid target. A non-collinear gating scheme allows for the extraction of a single intense attosecond pulse from the train of pulses.
NEW JOURNAL OF PHYSICS
(2022)
Article
Engineering, Civil
Zhaojian Li, Tianshu Chu, Ilya Kolmanovsky, Xiang Yin
IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS
(2018)
Article
Chemistry, Multidisciplinary
Yang Li, Junsheng Chen, Tian-Shu Chu
JOURNAL OF COMPUTATIONAL CHEMISTRY
(2018)
Article
Optics
Qingchi Meng, Songqiu Yang, Guanghua Ren, Tianshu Chu
JOURNAL OF LUMINESCENCE
(2018)
Article
Chemistry, Physical
Xin Mao, Lei Sun, Tao Wu, Tianshu Chu, Weiqiao Deng, Keli Han
JOURNAL OF PHYSICAL CHEMISTRY C
(2018)
Article
Automation & Control Systems
Zhaojian Li, Tianshu Chu, Ilya V. Kolmanovsky, Xiang Yin, Xunyuan Yin
Review
Materials Science, Multidisciplinary
Tianshu Chu, Yuan Liu
ORGANIC ELECTRONICS
(2018)
Article
Chemistry, Organic
Yinhua Ma, Li Zhao, Yang Li, Jianyong Liu, Yanqiang Yang, Tianshu Chu
Article
Physics, Multidisciplinary
Guan-Qing Ren, Ai-Ping Fu, Shu-Ping Yuan, Tian-Shu Chu
CANADIAN JOURNAL OF PHYSICS
(2018)
Article
Physics, Multidisciplinary
Qing-Chi Meng, Song-Qiu Yang, Guang-Hua Ren, Tian-Shu Chu
CHINESE PHYSICS LETTERS
(2018)
Article
Optics
Yang Li, Jin-Feng Zhao, Tian-Shu Chu
JOURNAL OF LUMINESCENCE
(2018)
Article
Chemistry, Physical
Yinhua Ma, Jinfeng Zhao, Jianyong Liu, Yanqiang Yang, Tianshu Chu
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2018)
Article
Chemistry, Physical
Guanghua Ren, Qingchi Meng, Jinfeng Zhao, Tianshu Chu
JOURNAL OF PHYSICAL CHEMISTRY A
(2018)
Article
Spectroscopy
Runze Liu, Yinhua Ma, Jianyong Liu, Yanqiang Yang, Tianshu Chu
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2019)
Proceedings Paper
Computer Science, Artificial Intelligence
Tian Tan, TianShu Chu, Bo Peng, Jie Wang
PROCEEDINGS OF SAI INTELLIGENT SYSTEMS CONFERENCE (INTELLISYS) 2016, VOL 1
(2018)
Article
Management
Xin Jin, Jie Wang, Tianshu Chu, Jinghua Xia
TECHNOLOGY ANALYSIS & STRATEGIC MANAGEMENT
(2018)