Measurement of Quasiparticle Diffusion in a Superconducting Transmon Qubit

Measurement of Quasiparticle Diffusion in a Superconducting Transmon Qubit

Quasiparticles, especially the ones near the Josephson junctions in the superconducting qubits, are known as an important source of decoherence. By injecting quasiparticles into a quantum chip, we characterized the diffusion feature by measuring the energy relaxation time and the residual excited-st...

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Bibliographic Details
Main Authors: Yuqian Dong, Yong Li, Wen Zheng, Yu Zhang, Zhuang Ma, Xinsheng Tan, Yang Yu
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Applied Sciences
Subjects:
superconducting qubit
quasiparticles
transmon
Online Access:https://www.mdpi.com/2076-3417/12/17/8461

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