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Laser & Optoelectronics Progress, Volume. 60, Issue 7, 0719001(2023)

Population Inversion Under Driven of Double Laser Fields

Guiyin Zhang1、*, Xiaorui Wu1, Songtao Li1, and Haiming Zheng2
Author Affiliations
  • 1School of Mathematics and Physics, North China Electric Power University, Baoding 071003, Hebei, China
  • 2Department of Mechanical Engineering, North China Electric Power University, Baoding 071003, Hebei, China
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    AbstractGet PDF(in Chinese)
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    Double resonance multiphoton ionization model

    Fig. 1. Double resonance multiphoton ionization model

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    Variation of population of each energy state with time as laser pulse duration takes different values. (a) τ21=τ32=5 ns; (b) τ21=τ32=10 ns（t10=t20=10 ns，Δ21=Δ32=0，Ω210=Ω320=Ω0=2 GHz）

    Fig. 2. Variation of population of each energy state with time as laser pulse duration takes different values. (a) τ21=τ32=5 ns; (b) τ21=τ32=10 ns（t10=t20=10 ns，Δ21=Δ32=0，Ω210=Ω320=Ω0=2 GHz）

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    Variation of population of each energy state with time as Rabi frequency takes different values. (a) Ω210=Ω320=Ω0=1 GHz;(b) Ω210=Ω320=Ω0=3 GHz (t10=t20=10 ns,Δ21=Δ32=0,τ21=τ32=10 ns)

    Fig. 3. Variation of population of each energy state with time as Rabi frequency takes different values. (a) Ω210=Ω320=Ω0=1 GHz;(b) Ω210=Ω320=Ω0=3 GHz (t10=t20=10 ns,Δ21=Δ32=0,τ21=τ32=10 ns)

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    Variation of population of each energy state with time as relative delay time takes different values. (a) Δt=-4 ns; (b) Δt=-2 ns; (c) Δt=0; (d) Δt=2 ns; (e) Δt=4 ns (Δ21=Δ32=0,Ω210=Ω320=Ω0=2 GHz,τ21=τ32=10 ns)

    Fig. 4. Variation of population of each energy state with time as relative delay time takes different values. (a) Δt=-4 ns; (b) Δt=-2 ns; (c) Δt=0; (d) Δt=2 ns; (e) Δt=4 ns (Δ21=Δ32=0,Ω210=Ω320=Ω0=2 GHz,τ21=τ32=10 ns)

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    Guiyin Zhang, Xiaorui Wu, Songtao Li, Haiming Zheng. Population Inversion Under Driven of Double Laser Fields[J]. Laser & Optoelectronics Progress, 2023, 60(7): 0719001

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    Paper Information

    Category: Nonlinear Optics

    Received: Feb. 14, 2022

    Accepted: May. 30, 2022

    Published Online: May. 24, 2023

    The Author Email: Guiyin Zhang (gyzhang65@aliyun.com)

    DOI:10.3788/LOP220733

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology