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The circuit quantum electrodynamics (cQED) techniques offer a versatile toolkit for investigating condensed matter phenomena and properties that go beyond the scope of traditional direct current (DC) transport experiments. Furthermore, these techniques are generally less invasive than transport techniques and provide higher energy and time resolution. In this seminar, we report the realization of gatemon qubit based on thin InAs-Al hybrid nanowires and present a technique for probing gate-tunable hybrid devices using a three-dimensional (3D) microwave cavity. Our result paves the way for future Majorana cQED experiments.
Reference:
Gatemon qubit based on a thin InAs-Al hybrid nanowire, Chinese Physics Letters 40, 047302 (2023);
Gate-compatible circuit quantum electrodynamics in a three-dimensional cavity Architecture, Phys. Rev. Applied 21, 034031 (2024);
Jianghua Ying obtained his doctoral degree from the Institute of Physics, Chinese Academy of Sciences in 2020. He conducted postdoctoral research at Tsinghua University and Beijing Academy of Quantum Information Sciences. In 2022, he is engaged in the research of superconducting quantum computing at Yangtze Delta Region Industrial Innovation Center of Quantum and Information in Suzhou. Dr. Ying's work is at the interface between condensed matter physics and quantum information science, with a primary focus on topological materials. His research is focused on building hybrid superconducting circuits with multiple degrees of freedom that can act as qubits protected from various types of noise or as quantum sensors of the order parameter in unconventional superconductors.
Tencent meeting link: https://meeting.tencent.com/dm/Qg0kIXwPDMCw
Meeting ID: 503 339 485, no password