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Topological Quantum Computing

Probing PbTe-Pb nanowire devices with radio-frequency reflectometry

arXiv
Authors: Xin-Yi Tang, Lin Li, Zezhou Xia, Jierong Huo, Wenyu Song, Lining Yang, Zonglin Li, Jiaye Xu, Peilin Li, Runan Shang, Qi-Kun Xue, Ke He, Hao Zhang

Year

2026

Paper ID

67878

Status

Preprint

Abstract Read

~2 min

Abstract Words

90

Citations

0

Abstract

We report the implementation of radio-frequency (rf) reflectometry on selective-area-grown PbTe-Pb nanowire devices on a CdTe substrate. These nanowires were predicted to host Majorana zero modes. We demonstrate the compatibility of the rf technique, both resistive and capacitive sensing, with these nanowires. The effect of dielectric loss from the CdTe substrate is also discussed. The feasibility of rf reflectometry is also verified at finite magnetic fields where zero-energy modes occur. Our results enable the fast control of PbTe quantum devices, paving the way for its application in topological quantum computation.

Why This Paper Matters

  • This paper contributes to the Topological Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • We report the implementation of radio-frequency (rf) reflectometry on selective-area-grown PbTe-Pb nanowire devices on a CdTe substrate.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2606.04544 [2] arXiv https://arxiv.org/abs/2606.04544 [3] Publisher https://arxiv.org/abs/2606.04544

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