Phase sensitive Landau-Zener-St\"uckelberg interference in superconducting quantum circuit
Zhi-Xuan Yang, Yi-Meng Zhang, Yu-Xuan Zhou, Li-Bo Zhang, Fei Yan, Song, Liu, Yuan Xu, Jian Li
TL;DR
This paper experimentally investigates phase-sensitive Landau-Zener-Stückelberg interference in a superconducting circuit QED system, revealing phase-dependent oscillations and steady-state populations, advancing understanding of quantum control in superconducting qubits.
Contribution
It demonstrates phase-sensitive LZS interference effects in superconducting circuits, expanding the experimental exploration of quantum interference phenomena.
Findings
Observation of LZS induced Rabi-like oscillations
Demonstration of phase-dependent steady-state populations
Wide range of LZS transition parameters explored
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-St\"uckelberg (LZS) interference phenomena in a circuit QED. Our experiments cover a large range of LZS transition parameters, and demonstrate the LZS induced Rabi-like oscillation as well as phase-dependent steady-state population.
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