研究目的
Investigating the measurement process of a quantum-dot spin qubit coupled to a superconducting transmission line resonator for scalable quantum information processing.
研究成果
The phase shift of the superconducting resonator can efficiently measure the spectroscopy and gate operations of the spin qubit, contributing to the development of scalable quantum information processing tools.
研究不足
The study focuses on a specific setup of quantum dots and superconducting resonators, and the scalability to larger quantum systems needs further investigation.
1:Experimental Design and Method Selection:
The study involves coupling a quantum-dot spin qubit to a superconducting transmission line resonator to analyze the measurement process. The phase shift of the resonator is used to measure the spin states and gate operations.
2:Sample Selection and Data Sources:
The system consists of a spin qubit in double quantum dots coupled to a high-quality superconducting resonator.
3:List of Experimental Equipment and Materials:
Superconducting transmission line resonator, quantum dots, control and measurement microwave fields.
4:Experimental Procedures and Operational Workflow:
The spin qubit is controlled by applying a pulse, and the phase shift of the resonator is measured to observe the qubit dynamics.
5:Data Analysis Methods:
The dynamics of the hybrid system are described by a master equation, and the phase shift is calculated to analyze the qubit states.
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