Han Yuhong, Che Shaona, Wang Dan, Zhou Haitao. Electromagnetically Induced Gain Based on Degenerate Two-Level Atomic System[J]. Acta Optica Sinica, 2018, 38(3): 302001
- Acta Optica Sinica
- Vol. 38, Issue 3, 302001 (2018)
Fig. 1. Schematic of N-type degenerate two-level system
Fig. 2. Signal transmission spectra under different Rabi frequencies of pumping light
Fig. 3. Gain peak amplitude of signal light versus Rabi frequency of pumping light under different Doppler widths
Fig. 4. Gain profiles of signal light under different Rabi frequencies of pumping light when Doppler shift (δD=0) is not considered. (a1) Ωp=0.70 MHz; (a2) Ωp=0.83 MHz; (a3) Ωp=0.94 MHz; (b1) Ωp=20 MHz; (b2) Ωp=7.06 MHz; (b3)Ωp=4.9 MHz
Fig. 5. Gain profile variation of signal light when Doppler shift and broadening effects are included. (a) Ωp=10 MHz; (b) Ωp=150 MHz
Fig. 6. Schematic of experimental setup
Fig. 7. Experimentally measured gain peak amplitudes of signal light under different pumping powers when Ps=50 μW, Δp=0, and T=95 ℃. (a) Pp=10 mW; (b) Pp=70 mW
Fig. 8. Gain peak amplitude of signal light with different parameters. (a) Pumping power; (b) temperature
Fig. 9. Influence of signal light polarization state on gain peak amplitude
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