globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2021.04.001
论文题名:
Photon retention in coherently excited nitrogen ions
作者: Yao J.; Wang L.; Chen J.; Wan Y.; Zhang Z.; Zhang F.; Qiao L.; Yu S.; Fu B.; Zhao Z.; Wu C.; Yakovlev V.V.; Yuan L.; Chen X.; Cheng Y.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2021
卷: 66, 期:15
起始页码: 1511
结束页码: 1517
语种: 英语
中文关键词: Coherent quantum control ; Photon retention ; Quantum coherence ; Strong-field ionized molecules
英文关键词: Electromagnetic pulse ; Excited states ; Infrared devices ; Light ; Molecules ; Nitrogen ; Photoionization ; Quantum optics ; Coherent quantum control ; Femtoseconds ; Metal vapor ; Near-infrared excitation ; Nitrogen ions ; Optical information ; Photon retention ; Quantum coherence ; Strong-field ionized molecule ; Working medium ; Photons
英文摘要: Quantum coherence in quantum optics is an essential part of optical information processing and light manipulation. Alkali metal vapors, despite the numerous shortcomings, are traditionally used in quantum optics as a working medium due to convenient near-infrared excitation, strong dipole transitions and long-lived coherence. Here, we proposed and experimentally demonstrated photon retention and subsequent re-emittance with the quantum coherence in a system of coherently excited molecular nitrogen ions (N2+) which are produced using a strong 800 nm femtosecond laser pulse. Such photon retention, facilitated by quantum coherence, keeps releasing directly-unmeasurable coherent photons for tens of picoseconds, but is able to be read out by a time-delayed femtosecond pulse centered at 1580 nm via two-photon resonant absorption, resulting in a strong radiation at 329.3 nm. We reveal a pivotal role of the excited-state population to transmit such extremely weak re-emitted photons in this system. This new finding unveils the nature of the coherent quantum control in N2+ for the potential platform for optical information storage in the remote atmosphere, and facilitates further exploration of fundamental interactions in the quantum optical platform with strong-field ionized molecules.. © 2021 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170479
Appears in Collections:气候变化与战略

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作者单位: State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai, 201800, China; State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China; University of Chinese Academy of Sciences, Beijing, 100049, China; School of Physical Science and Technology, ShanghaiTech University, Shanghai, 200031, China; Department of Physics, National University of Defense Technology, Changsha, 410073, China; State Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing, 100871, China; Texas A&M University, College Station, TX 77843, United States; Shanghai Research Center for Quantum Sciences, Shanghai, 201315, China; Jinan Institute of Quantum Technology, Jinan, 250101, China; Collaborative Innovation Center of Light Manipulations and Applications, Shandong Normal University, Jinan, 250358, China; Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, 030006, China

Recommended Citation:
Yao J.,Wang L.,Chen J.,et al. Photon retention in coherently excited nitrogen ions[J]. Science Bulletin,2021-01-01,66(15)
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