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    Journals >Acta Optica Sinica >Volume 43 >Issue 22 >Page 2202001 > Article
    • Acta Optica Sinica
    • Vol. 43, Issue 22, 2202001 (2023)
    Linear Operation Point in Demodulating Microwave Amplitude Modulation Signals Based on Rydberg Atom System
    Yuankai Jin, Ruijian Rao*, Jinyun Wu, and Yinfa Zhang**
    Author Affiliations
  • College of Information and Communication, National University of Defense Technology, Wuhan 430035, Hubei , China
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    DOI: 10.3788/AOS230979 Cite this Article Set citation alerts
    Yuankai Jin, Ruijian Rao, Jinyun Wu, Yinfa Zhang. Linear Operation Point in Demodulating Microwave Amplitude Modulation Signals Based on Rydberg Atom System[J]. Acta Optica Sinica, 2023, 43(22): 2202001 Copy Citation Text show less
    Rydberg atom demodulation system and energy levels. (a) Block of Rydberg atom AM microwave demodulation; (b) 133Cs ladder-type four energy levels
    Fig. 1. Rydberg atom demodulation system and energy levels. (a) Block of Rydberg atom AM microwave demodulation; (b) 133Cs ladder-type four energy levels
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    Principle diagram of Rydberg atom system demodulation AM microwave
    Fig. 2. Principle diagram of Rydberg atom system demodulation AM microwave
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    Relationship between Rydberg atom cell transmissivity derivative and microwave Rabi frequency. (a) Curves between ∂T∂ΩMW and ΩMW; (b) curves between ∂2T∂ΩMW2 and ΩMW
    Fig. 3. Relationship between Rydberg atom cell transmissivity derivative and microwave Rabi frequency. (a) Curves between ∂T∂ΩMW and ΩMW; (b) curves between ∂2T∂ΩMW2 and ΩMW
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    THD in the Rydberg atom cell demodulation AM microwave. (a) Relationship between ΩMW‑static and THD with ΩMW‑base‑am=2π×23.84 kHz (the corresponding baseband signal electrical field intensity is 1 mV/m); (b) relationship between ΩMW‑base‑am and THD when the Rydberg atom cell is at the optimum linear operation point
    Fig. 4. THD in the Rydberg atom cell demodulation AM microwave. (a) Relationship between ΩMW‑static and THD with ΩMW‑base‑am=2π×23.84 kHz (the corresponding baseband signal electrical field intensity is 1 mV/m); (b) relationship between ΩMW‑base‑am and THD when the Rydberg atom cell is at the optimum linear operation point
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    Yuankai Jin, Ruijian Rao, Jinyun Wu, Yinfa Zhang. Linear Operation Point in Demodulating Microwave Amplitude Modulation Signals Based on Rydberg Atom System[J]. Acta Optica Sinica, 2023, 43(22): 2202001
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    Paper Information
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