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Chin. Phys. B, 2022, Vol. 31(2): 027802    DOI: 10.1088/1674-1056/ac3221

Majorana fermions induced fast- and slow-light in a hybrid semiconducting nanowire/superconductor device

Hua-Jun Chen(陈华俊), Peng-Jie Zhu(朱鹏杰), Yong-Lei Chen(陈咏雷), and Bao-Cheng Hou(侯宝成)
School of Mechanics and Photoelectric Physics, Anhui University of Science and Technology, Huainan 232001, China
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.
Keywords:  majorana fermions      Fano resonance      slow and fast light      hybrid semiconducting/superconductor device  
Received:  07 July 2021      Revised:  19 September 2021      Accepted manuscript online:  22 October 2021
PACS:  78.67.Hc (Quantum dots)  
  42.50.-p (Quantum optics)  
  42.50.Gy (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)  
Fund: This work was supported by the National Natural Science Foundation of China (Grant Nos. 11804004 and 11647001), the China Postdoctoral Science Foundation (Grant No. 2020M681973), and Anhui Provincial Natural Science Foundation, China (Grant No. 1708085QA11).
Corresponding Authors:  Hua-Jun Chen     E-mail:

Cite this article: 

Hua-Jun Chen(陈华俊), Peng-Jie Zhu(朱鹏杰), Yong-Lei Chen(陈咏雷), and Bao-Cheng Hou(侯宝成) Majorana fermions induced fast- and slow-light in a hybrid semiconducting nanowire/superconductor device 2022 Chin. Phys. B 31 027802

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