148 citations · 170 across the 9 of their papers we have counts for
9 papers
Efficient learning of bosonic unitaries beyond the Gaussian class
Xiaobin Zhao, Quntao Zhuang
Multimode quantum processes are generally difficult to learn, due to the large dimensionality and complex entanglement structure beyond the Gaussian class. Here, we show that the f…
Theory Framework of Multiplexed Photon-Number-Resolving Detectors
Xiaobin Zhao, Hezheng Qin, Hong X. Tang +2
Photon counting is a fundamental component in quantum optics and quantum information. However, implementing ideal photon-number-resolving (PNR) detectors remains experimentally cha…
Complexity of quantum tomography from genuine non-Gaussian entanglement
Xiaobin Zhao, Pengcheng Liao, Francesco Anna Mele +2
Quantum state tomography, a fundamental tool for quantum physics, usually requires a number of state copies that scale exponentially with the system size, owing to the intricate qu…
Quantum illumination networks
Xiaobin Zhao, Zheshen Zhang, Quntao Zhuang
Quantum illumination is an entanglement-based target detection protocol that provides quantum advantages despite the presence of entanglement-breaking noise. However, the advantage…
Experimental super-Heisenberg quantum metrology with indefinite gate order
Peng Yin, Xiaobin Zhao, Yuxiang Yang +10
The precision of quantum metrology is widely believed to be restricted by the Heisenberg limit, corresponding to a root mean square error that is inversely proportional to the numb…
Heisenberg-limited metrology with coherent control on the probes' configuration
Giulio Chiribella, Xiaobin Zhao
A central feature of quantum metrology is the possibility of Heisenberg scaling, a quadratic improvement over the limits of classical statistics. This scaling, however, is notoriou…
Quantum superposition of black hole states as a communication resource
Richard Howl, Ali Akil, Hlér Kristjánsson +2
The interplay between black holes and quantum information has revealed deep connections between gravity and quantum mechanics. For example, the classical spacetime geometry of a bl…
Quantum Metrology with Indefinite Causal Order
Xiaobin Zhao, Yuxiang Yang, Giulio Chiribella
We address the study of quantum metrology enhanced by indefinite causal order, demonstrating a quadratic advantage in the estimation of the product of two average displacements in…
Quantum amplification and purification of noisy coherent states
Xiaobin Zhao, Giulio Chiribella
Quantum-limited amplifiers increase the amplitude of quantum signals at the price of introducing additional noise. Quantum purification protocols operate in the reverse way, by red…