Voltage Control of Electromagnetically Induced Grating in Asymmetric Double Quantum Dot System

Hongju Guo; Chen Chen; Aihong Yang

doi:10.3788/LOP202158.2305001

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 23 >Page 2305001 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 23, 2305001 (2021)

Voltage Control of Electromagnetically Induced Grating in Asymmetric Double Quantum Dot System

Hongju Guo¹, Chen Chen¹, and Aihong Yang^2、*

Author Affiliations

¹Department of Information and Intelligent Engineering, Shanghai Publishing and Printing College,Shanghai 200093, China

²College of Electrical Engineering and Automation, Shandong University of Science and Technology,Qingdao , Shandong 266590, China

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DOI: 10.3788/LOP202158.2305001 Cite this Article Set citation alerts

Hongju Guo, Chen Chen, Aihong Yang. Voltage Control of Electromagnetically Induced Grating in Asymmetric Double Quantum Dot System[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2305001 Copy Citation Text

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System under consideration and interaction field. (a) Schematic of energy levels for asymmetric double quantum dot system interacting with probe field and standing-wave pump field; (b) schematic of standing-wave pump field and weak probe field propagating through medium

Fig. 1. System under consideration and interaction field. (a) Schematic of energy levels for asymmetric double quantum dot system interacting with probe field and standing-wave pump field; (b) schematic of standing-wave pump field and weak probe field propagating through medium

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Absorption and dispersion spectra in double quantum dot system under different conditions. (a) Te=2, ω24=0, Δ2=0, ΩC=0; (b) Te=2, ω24=0, Δ2=0, ΩC=1; (c) Te=2, ω24=1.5, Δ2=2, ΩC=1

Fig. 2. Absorption and dispersion spectra in double quantum dot system under different conditions. (a) T_e=2, ω₂₄=0, Δ₂=0, Ω_C=0; (b) T_e=2, ω₂₄=0, Δ₂=0, Ω_C=1; (c) T_e=2, ω₂₄=1.5, Δ₂=2, Ω_C=1

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Fig. 3.

I_{P} (θ)

versus

s i n θ

under different conditions. (a) Without tunneling voltage, T_e=0, ω₂₄=1.5, Δ₂=0, Δ₁=0.5, Ω_C=1;(b) with tunneling voltage, T_e=2, ω₂₄=0, Δ₁=0.5, Δ₂=0, Ω_C=1; (c) with tunneling voltage, T_e=2, ω₂₄=1.5, Δ₁=0.6,Δ₂=2, Ω_C=1

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$First-order diffraction intensity versus Te under ω24=1.5, Δ1=0.6, Δ2=2, and ΩC=1$

Fig. 4. First-order diffraction intensity versus T_e under ω₂₄=1.5, Δ₁=0.6, Δ₂=2, and Ω_C=1

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$First-order diffraction intensity versus ΩC under Te=2.9, ω24=1.5, Δ1=0.6, and Δ2=2$

Fig. 5. First-order diffraction intensity versus

Ω_{C}

under T_e=2.9, ω₂₄=1.5, Δ₁=0.6, and Δ₂=2

Hongju Guo, Chen Chen, Aihong Yang. Voltage Control of Electromagnetically Induced Grating in Asymmetric Double Quantum Dot System[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2305001

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