Topological-material-based Josephson junctions have the potential to be used to host Majorana zero modes and to construct topological qubits. For operating the topological qubits at an appropriate timescale to avoid decoherence and quasiparticle poisoning, one would eventually go to the time domain and embed the topological qubits into quantum electrodynamic circuits. Here, we constructed a topological-insulator-nanowire-based transmon qubit and demonstrated its strong coupling to a coplanar waveguide resonator. The flux-tunable spectrum and Rabi oscillations with a qubit lifetime T 1 of ∼ 0.5 μ s were observed. Such a hybrid platform, containing topological materials and quantum electrodynamic circuits, can further be used to study the physical properties such as Majorana zero modes in topological quantum circuits.
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10 April 2023
Research Article|
April 10 2023
Realization of superconducting transmon qubits based on topological insulator nanowires Available to Purchase
Xiaopei Sun
;
Xiaopei Sun
(Conceptualization, Formal analysis, Investigation, Writing – original draft)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
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Bing Li
;
Bing Li
(Conceptualization, Formal analysis, Resources)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
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Enna Zhuo
;
Enna Zhuo
(Conceptualization, Formal analysis, Investigation)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
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Zhaozheng Lyu
;
Zhaozheng Lyu
a)
(Conceptualization, Formal analysis, Funding acquisition, Supervision, Writing – review & editing)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
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Zhongqing Ji
;
Zhongqing Ji
(Resources)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
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Jie Fan
;
Jie Fan
(Resources)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
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Xiaohui Song
;
Xiaohui Song
(Resources)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
3
Hefei National Laboratory
, Hefei 230088, China
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Fanming Qu
;
Fanming Qu
(Data curation, Writing – review & editing)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
3
Hefei National Laboratory
, Hefei 230088, China
4
Songshan Lake Materials Laboratory
, Dongguan, Guangdong 523808, China
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Guangtong Liu
;
Guangtong Liu
(Data curation)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
3
Hefei National Laboratory
, Hefei 230088, China
4
Songshan Lake Materials Laboratory
, Dongguan, Guangdong 523808, China
Search for other works by this author on:
Jie Shen
;
Jie Shen
(Data curation)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
4
Songshan Lake Materials Laboratory
, Dongguan, Guangdong 523808, China
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Li Lu
Li Lu
a)
(Conceptualization, Data curation, Funding acquisition, Supervision, Writing – review & editing)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
3
Hefei National Laboratory
, Hefei 230088, China
4
Songshan Lake Materials Laboratory
, Dongguan, Guangdong 523808, China
Search for other works by this author on:
Xiaopei Sun
1,2
Bing Li
1,2
Enna Zhuo
1,2
Zhaozheng Lyu
1,2,a)
Zhongqing Ji
1
Jie Fan
1
Xiaohui Song
1,3
Fanming Qu
1,2,3,4
Guangtong Liu
1,2,3,4
Jie Shen
1,2,4
Li Lu
1,2,3,4,a)
1
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
2
School of Physical Sciences, University of Chinese Academy of Sciences
, Beijing 100049, China
3
Hefei National Laboratory
, Hefei 230088, China
4
Songshan Lake Materials Laboratory
, Dongguan, Guangdong 523808, China
Appl. Phys. Lett. 122, 154001 (2023)
Article history
Received:
December 27 2022
Accepted:
March 23 2023
Citation
Xiaopei Sun, Bing Li, Enna Zhuo, Zhaozheng Lyu, Zhongqing Ji, Jie Fan, Xiaohui Song, Fanming Qu, Guangtong Liu, Jie Shen, Li Lu; Realization of superconducting transmon qubits based on topological insulator nanowires. Appl. Phys. Lett. 10 April 2023; 122 (15): 154001. https://doi.org/10.1063/5.0140079
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