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    Journals >Acta Photonica Sinica >Volume 53 >Issue 5 >Page 0553106 > Article
    • Acta Photonica Sinica
    • Vol. 53, Issue 5, 0553106 (2024)
    Quantum Dots for Wavelength-tunable Entangled Photon Sources（Invited）
    Chen CHEN and Feng LIU*
    Author Affiliations
  • State Key Laboratory of Extreme Photonics and Instrumentation，College of Information Science and Electronic Engineering，Zhejiang University，Hangzhou 310027，China
    • show less
    DOI: 10.3788/gzxb20245305.0553106 Cite this Article
    Chen CHEN, Feng LIU. Quantum Dots for Wavelength-tunable Entangled Photon Sources（Invited）[J]. Acta Photonica Sinica, 2024, 53(5): 0553106 Copy Citation Text show less
    Schematic of a quantum repeater
    Fig. 1. Schematic of a quantum repeater
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    Schematic of energy-level and quantum confinement effect of quantum dot
    Fig. 2. Schematic of energy-level and quantum confinement effect of quantum dot
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    Tuning scheme for combined strain and static electric field［50，51］
    Fig. 3. Tuning scheme for combined strain and static electric field［50，51］
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    Tuning scheme for combined magnetic and static electric fields［52］
    Fig. 4. Tuning scheme for combined magnetic and static electric fields［52］
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    Tuning scheme for anisotropic strain［53-55］
    Fig. 5. Tuning scheme for anisotropic strain［53-55］
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    Tuning scheme for combined light and static electric fields［56］
    Fig. 6. Tuning scheme for combined light and static electric fields［56］
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    Quantum dot coupled to a circular Bragg grating［69］
    Fig. 7. Quantum dot coupled to a circular Bragg grating［69］
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    Quantum dot coupled to a double-cavity structure［70］
    Fig. 8. Quantum dot coupled to a double-cavity structure［70］
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    Tuning schemeQuantum dot materialWavelength tuning range/meVMinimum value of FSS/μeVMaximum value of entanglement fidelityReference
    Strain and static electricInGaAs~1<1—［50］
    InGaAs~4.6~00.76（3）［51］
    Magnetic field and static electric fieldInGaAs~2.5~2—［52］
    Anisotropic strainGaAs—0.1（2）0.978（5）［13］
    InGaA~0.5~0.50.78［55］
    InGaA~3.7~00.733（75）［53］
    InGaA~7~00.80（5）［54］
    Light field and static electric fieldGaAs~1~00.969（1）［56］
    Table 1. Performance summary of multi-degree-of-freedom joint tuning schemes［13，50-56］
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    Chen CHEN, Feng LIU. Quantum Dots for Wavelength-tunable Entangled Photon Sources（Invited）[J]. Acta Photonica Sinica, 2024, 53(5): 0553106
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