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32 papers · 1 filter
Enhanced phase estimation with coherently boosted two-mode squeezed beams and its application to optical gyroscopes
Xiao-Qi Xiao, Elisha S. Matekole, Jiankang Zhao +3
Quantum techniques, developed in recent decades, provide new approaches to achieving high-precision measurements beyond the classical bounds. In this paper, we theoretically demons…
Efficient initialization of fluxonium qubits based on auxiliary energy levels
Tenghui Wang, Feng Wu, Fei Wang +13
Fast and high-fidelity qubit initialization is crucial for low-frequency qubits such as fluxonium, and in applications of many quantum algorithms and quantum error correction codes…
Native approach to controlled-Z gates in inductively coupled fluxonium qubits
Xizheng Ma, Gengyan Zhang, Feng Wu +27
The fluxonium qubits have emerged as a promising platform for gate-based quantum information processing. However, their extraordinary protection against charge fluctuations comes a…
Linear Cross Entropy Benchmarking with Clifford Circuits
Jianxin Chen, Dawei Ding, Cupjin Huang +1
With the advent of quantum processors exceeding qubits and the high engineering complexities involved, there is a need for holistically benchmarking the processor to have qua…
Experimental quantum adversarial learning with programmable superconducting qubits
Wenhui Ren, Weikang Li, Shibo Xu +21
Quantum computing promises to enhance machine learning and artificial intelligence. Different quantum algorithms have been proposed to improve a wide spectrum of machine learning t…
Many-body Hilbert space scarring on a superconducting processor
Pengfei Zhang, Hang Dong, Yu Gao +21
Quantum many-body scarring (QMBS) -- a recently discovered form of weak ergodicity breaking in strongly-interacting quantum systems -- presents opportunities for mitigating thermal…