Phase-sensitive Landau-Zener-Stückelberg interference in superconducting quantum circuit
Zhi-Xuan Yang(杨智璇)1,†, Yi-Meng Zhang(张一萌)1,†, Yu-Xuan Zhou(周宇轩)1,4, Li-Bo Zhang(张礼博)1,2,3, Fei Yan(燕飞)1,2,3, Song Liu(刘松)1,2,3, Yuan Xu(徐源)1,2,3, and Jian Li(李剑)1,2,3,‡
1 Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; 2 Guangdong Provincial Key Laboratory of Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; 3 Shenzhen Key Laboratory of Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; 4 Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
Abstract Superconducting circuit quantum electrodynamics (QED) architecture composed of superconducting qubit and resonator is a powerful platform for exploring quantum physics and quantum information processing. By employing techniques developed for superconducting quantum computing, we experimentally investigate phase-sensitive Landau-Zener-Stückelberg (LZS) interference phenomena in a circuit QED. Our experiments cover an extensive range of LZS transition parameters and demonstrate the LZS induced Rabi-like oscillation as well as phase-dependent steady-state population.
Fund: Project supported by the Key-Area Research and Development Program of Guangdong Province, China (Grant No. 2018B030326001), the National Natural Science Foundation of China (Grant Nos. U1801661, 11874065, and Youth Project No. 11904158), the Guangdong Provincial Key Laboratory (Grant No. 2019B121203002), the Natural Science Foundation of Hunan Province, China (Grant No. 2018JJ1031), and the Science, Technology and Innovation Commission of Shenzhen Municipality (Grant Nos. JCYJ20170412152620376 and YTDPT20181011104202253).
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