| Majorana fermions induced fast-and slow-light in a hybrid semiconducting nanowire/superconductor device |
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| 作者姓名： | 陈华俊 朱鹏杰 陈咏雷 侯宝成 |
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| 作者单位： | School of Mechanics and Photoelectric Physics, Anhui University of Science and Technology, Huainan 232001, China |
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| 基金项目： | supported by the National Natural Science Foundation of China(Grant Nos.11804004 and 11647001);the China Postdoctoral Science Foundation(Grant No.2020M681973);Anhui Provincial Natural Science Foundation,China(Grant No.1708085QA11)。 |
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| 摘 要： | We investigate theoretically Rabi-like splitting and Fano resonance in absorption spectra of quantum dots(QDs)based on a hybrid QD-semiconducting nanowire/superconductor(SNW/SC)device mediated by Majorana fermions(MFs).Under the condition of pump on-resonance and off-resonance,the absorption spectrum experiences the conversion from Fano resonance to Rabi-like splitting in different parametric regimes.In addition,the Fano resonances are accompanied by the rapid normal phase dispersion,which will indicate the coherent optical propagation.The results indicate that the group velocity index is tunable with controlling the interaction between the QD and MFs,which can reach the conversion between the fast-and slow-light.Fano resonance will be another method to detect MFs and our research may indicate prospective applications in quantum information processing based on the hybrid QD-SNW/SC devices.
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| 关 键 词： | majorana fermions Fano resonance slow and fast light hybrid semiconducting/superconductor device |
| 收稿时间： | 2021-07-07 |
Majorana fermions induced fast- and slow-light in a hybrid semiconducting nanowire/superconductor device |
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| Hua-Jun Chen,Peng-Jie Zhu,Yong-Lei Chen,Bao-Cheng Hou.Majorana fermions induced fast-and slow-light in a hybrid semiconducting nanowire/superconductor device[J].Chinese Physics B,2022,31(2):27802-027802. |
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| Authors: | Hua-Jun Chen Peng-Jie Zhu Yong-Lei Chen Bao-Cheng Hou |
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| Institution: | School of Mechanics and Photoelectric Physics, Anhui University of Science and Technology, Huainan 232001, China |
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| Abstract: | We investigate theoretically Rabi-like splitting and Fano resonance in absorption spectra of quantum dots (QDs) based on a hybrid QD-semiconducting nanowire/superconductor (SNW/SC) device mediated by Majorana fermions (MFs). Under the condition of pump on-resonance and off-resonance, the absorption spectrum experiences the conversion from Fano resonance to Rabi-like splitting in different parametric regimes. In addition, the Fano resonances are accompanied by the rapid normal phase dispersion, which will indicate the coherent optical propagation. The results indicate that the group velocity index is tunable with controlling the interaction between the QD and MFs, which can reach the conversion between the fast- and slow-light. Fano resonance will be another method to detect MFs and our research may indicate prospective applications in quantum information processing based on the hybrid QD-SNW/SC devices. |
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| Keywords: | majorana fermions Fano resonance slow and fast light hybrid semiconducting/superconductor device |
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