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Controlling Rydberg excitation process with shaped intense ultrashort laser pulses |
| Xiao-Yun Zhao(赵晓云)1, Chun-Cheng Wang(王春成)2, Shi-Lin Hu(胡师林)3, Wei-Dong Li(李卫东)1, Jing Chen(陈京)4,5, Xiao-Lei Hao(郝小雷)1 |
1 Institute of Theoretical Physics and Department of Physics, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China;
2 Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China;
3 Laboratory of Quantum Engineering and Quantum Metrology, School of Physics and Astronomy, Sun Yat-Sen University(Zhuhai Campus), Zhuhai 519082, China;
4 CAPT, HEDPS, and IFSA Collaborative Innovation Center of MoE, College of Engineering, Peking University, Beijing 100084, China;
5 Institute of Applied Physics and Computational Mathematics, Beijing 100088, China |
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Abstract We perform a theoretical investigation on the control over the atomic excitation of Rydberg states with shaped intense ultrashort laser pulses. By numerically solving the time-dependent Schrödinger equation (TDSE), we systematically study the dependence of the population of the Rydberg states on the π phase step position in the frequency spectra of the laser pulse for different intensities, central wavelengths and pulse durations. Our results show that the Rydberg excitation process can be effectively modulated using shaped intense laser pulses with the laser intensity as high as 1×1014 W/cm2. Our work also have benefit to the future investigation to find out the dominant mechanism behind the excitation of Rydberg states in strong laser fields.
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Received: 26 March 2019
Revised: 25 May 2019
Accepted manuscript online:
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PACS:
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32.80.Rm
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(Multiphoton ionization and excitation to highly excited states)
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32.80.Fb
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(Photoionization of atoms and ions)
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32.80.Qk
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(Coherent control of atomic interactions with photons)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11874246). |
Corresponding Authors:
Xiao-Lei Hao
E-mail: xlhao@sxu.edu
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Cite this article:
Xiao-Yun Zhao(赵晓云), Chun-Cheng Wang(王春成), Shi-Lin Hu(胡师林), Wei-Dong Li(李卫东), Jing Chen(陈京), Xiao-Lei Hao(郝小雷) Controlling Rydberg excitation process with shaped intense ultrashort laser pulses 2019 Chin. Phys. B 28 083202
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