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Laser & Optoelectronics Progress, Volume. 62, Issue 11, 1127023(2025)

Probe Absorption Properties and Kerr Effect of Superconducting Qubit Coupled to Mechanical Resonators

Jiangying Zheng1, Chenting Deng1, and Qinghong Liao1,2、*
Author Affiliations
  • 1Department of Electronic Information Engineering, School of Information Engineering, Nanchang University, Nanchang 330031, Jiangxi , China
  • 2Chongqing Research Institute of NCU, Chongqing 402660, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (36)
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    Figures & Tables(10)
    Schematic of hybrid system consisting of superconducting qubit and mechanical resonators a1 and a2

    Fig. 1. Schematic of hybrid system consisting of superconducting qubit and mechanical resonators a1 and a2

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    Probe absorption spectra of superconducting qubits under the three coupling mechanisms. (a) g=0,J=0; (b) g/2π=4.5 MHz,J=0; (c) g/2π=4.5 MHz,J/2π=20 MHz

    Fig. 2. Probe absorption spectra of superconducting qubits under the three coupling mechanisms. (a) g=0,J=0; (b) g/2π=4.5 MHz,J=0; (c) g/2π=4.5 MHz,J/2π=20 MHz

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    Probe absorption spectra of superconducting qubits under different frequency detuning Δ1. (a) J=0; (b) J/2π=20 MHz

    Fig. 3. Probe absorption spectra of superconducting qubits under different frequency detuning Δ1. (a) J=0; (b) J/2π=20 MHz

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    Influence of coupling strength J on absorption spectra. (a) Detection absorption spectra at different intensities when Δ1=Δ2,g/2π=4.5 MHz; (b) splitting width of double Fano resonance peak varies with coupling strength J

    Fig. 4. Influence of coupling strength J on absorption spectra. (a) Detection absorption spectra at different intensities when Δ1=Δ2,g/2π=4.5 MHz; (b) splitting width of double Fano resonance peak varies with coupling strength J

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    Probe absorption spectra field change with Δs under different decay rates of mechanical resonator when g/2π=4.5 MHz,J/2π=20 MHz,

    Fig. 5. Probe absorption spectra field change with Δs under different decay rates of mechanical resonator when g/2π=4.5 MHz,J/2π=20 MHz,

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    Probe absorption spectra of superconducting qubits under different Rabi frequencies

    Fig. 6. Probe absorption spectra of superconducting qubits under different Rabi frequencies

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    Probe absorption spectra under different pump detuning when g/2π=4.5 MHz,J/2π=0

    Fig. 7. Probe absorption spectra under different pump detuning when g/2π=4.5 MHz,J/2π=0

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    Susceptibility and nonlinear absorption as a function of the detuning Δs under different conditions. (a) g=0,J=0; (b) g/2π=4.5 MHz,J=0;(c) g/2π=4.5 MHz,J/2π=20 MHz

    Fig. 8. Susceptibility and nonlinear absorption as a function of the detuning Δs under different conditions. (a) g=0,J=0; (b) g/2π=4.5 MHz,J=0;(c) g/2π=4.5 MHz,J/2π=20 MHz

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    Susceptibility change with Δs under different detuning Δ1

    Fig. 9. Susceptibility change with Δs under different detuning Δ1

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    Susceptibility change with Δs under different Rabi frequencies

    Fig. 10. Susceptibility change with Δs under different Rabi frequencies

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    Jiangying Zheng, Chenting Deng, Qinghong Liao. Probe Absorption Properties and Kerr Effect of Superconducting Qubit Coupled to Mechanical Resonators[J]. Laser & Optoelectronics Progress, 2025, 62(11): 1127023

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    Paper Information

    Category: Quantum Optics

    Received: Jan. 13, 2025

    Accepted: Mar. 20, 2025

    Published Online: Jun. 17, 2025

    The Author Email: Qinghong Liao (nculqh@163.com)

    DOI:10.3788/LOP250495

    CSTR:32186.14.LOP250495

    Topics

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