Geometric perspective on quantum parameter estimation
Quantum metrology holds the promise of an early practical application of quantum
technologies, in which measurements of physical quantities can be made with much greater …
technologies, in which measurements of physical quantities can be made with much greater …
Protecting the quantum interference of cat states by phase-space compression
Cat states, with their unique phase-space interference properties, are ideal candidates for
understanding fundamental principles of quantum mechanics and performing key quantum …
understanding fundamental principles of quantum mechanics and performing key quantum …
Spin cat states in ferromagnetic insulators
Generating nonclassical states in macroscopic systems is a long-standing challenge. A
promising platform in the context of this quest are novel hybrid systems based on magnetic …
promising platform in the context of this quest are novel hybrid systems based on magnetic …
Quantum error correction with dissipatively stabilized squeezed-cat qubits
Noise-biased qubits are a promising route toward significantly reducing the hardware
overhead associated with quantum error correction. The squeezed-cat code, a nonlocal …
overhead associated with quantum error correction. The squeezed-cat code, a nonlocal …
Quantum metrology in the presence of limited data
Quantum metrology protocols are typically designed around the assumption that we have an
abundance of measurement data, but recent practical applications are increasingly driving …
abundance of measurement data, but recent practical applications are increasingly driving …
A hybrid machine learning algorithm for designing quantum experiments
We introduce a hybrid machine learning algorithm for designing quantum optics
experiments to produce specific quantum states. Our algorithm successfully found …
experiments to produce specific quantum states. Our algorithm successfully found …
Metrologically resourceful multipartite entanglement under quantum many-body effects
In traditional quantum metrology protocols, the initial multipartite entangled pure quantum
probes are considered to be isolated, ie, free of quantum many-body effects. Here, we study …
probes are considered to be isolated, ie, free of quantum many-body effects. Here, we study …
Local versus global strategies in multiparameter estimation
We consider the problem of estimating multiple phases using a multimode interferometer. In
this setting we show that while global strategies that estimate all the phases simultaneously …
this setting we show that while global strategies that estimate all the phases simultaneously …
Designing quantum experiments with a genetic algorithm
We introduce a genetic algorithm that designs quantum optics experiments for engineering
quantum states with specific properties. Our algorithm is powerful and flexible, and can …
quantum states with specific properties. Our algorithm is powerful and flexible, and can …
Entanglement and quantum superposition induced by a single photon
XY Lü, GL Zhu, LL Zheng, Y Wu - Physical Review A, 2018 - APS
We predict the occurrence of single-photon-induced entanglement and quantum
superposition in a hybrid quantum model, introducing an optomechanical coupling into the …
superposition in a hybrid quantum model, introducing an optomechanical coupling into the …