I am going to post here all newly submitted articles on the arXiv related to superconducting circuits. If your article has been accidentally forgotten, feel free to contact me
25
Feb
2025
Demolition measurement protocol for transmon qubits
The process of measuring a qubit and re-initializing it to the ground state practically lead to long qubit idle times between re-runs of experiments on a superconducting quantum computer.
24
Feb
2025
High quality superconducting tantalum resonators with beta phase defects
For practical superconducting quantum processors, orders of magnitude improvement in coherence is required, motivating efforts to optimize hardware design and explore new materials.
21
Feb
2025
Non-degenerate noise-resilient superconducting qubit
We propose a superconducting qubit based on engineering the first and second harmonics of the Josephson energy and phase relation EJ1cosφ and EJ2cos2φ. By constructing a circuit such
EDA-Q: Electronic Design Automation for Superconducting Quantum Chip
Electronic Design Automation (EDA) plays a crucial role in classical chip design and significantly influences the development of quantum chip design. However, traditional EDA tools
20
Feb
2025
Randomized benchmarking of a high-fidelity remote CNOT gate over a meter-scale microwave interconnect
In the modular superconducting quantum processor architecture, high-fidelity, meter-scale microwave interconnect between processor modules is a key technology for extending system size
Experimental demonstrations of Josephson threshold detectors for broadband microwave photons detection
Current-biased Josephson junctions (CBJJs) have been demonstrated as sensitive Josephson threshold detectors (JTDs) in the infrared range. In this letter, we show this kind of detector
Passive leakage removal unit based on a disordered transmon array
Leakage out from the qubit subspace compromises standard quantum error correction protocols and is a challenge for practical quantum computing. We propose a passive leakage removal
Time-adaptive single-shot crosstalk detector on superconducting quantum computer
Quantum crosstalk which stems from unwanted interference of quantum operations with nearby qubits is a major source of noise or errors in a quantum processor. In the context of shared
12
Feb
2025
Theory of an autonomous quantum heat engine based on superconducting electric circuits with non-Markovian heat baths
We propose and theoretically analyze a realistic superconducting electric circuit that can be used to realize an autonomous quantum heat engine in circuit quantum electrodynamics. Using
Multiplexed qubit readout quality metric beyond assignment fidelity
The accurate measurement of quantum two-level objects (qubits) is crucial for developing quantum computing hardware. Over the last decade, the measure of choice for benchmarking readout