157 citations · 1.3k across the 41 of their papers we have counts for
42 papers
Single-shot coherent process tomography and mid-infrared polarimetry with undetected photons
Marthe Zeja, Wen-Zhe Yan, Zhibo Hou +1
Measurements with undetected photons infer properties of a probe beam that is never detected, transferring mid-infrared information onto silicon-friendly wavelengths. Tomography in…
Estimation of a sparse multi-qubit Hamiltonian via compressed sensing
Juntao Tu, Yuanlong Wang, Shuming Cheng +2
Hamiltonian estimation is an effective approach in studying the structure and dynamical evolution of quantum systems. The difficulty in estimating the Hamiltonian is that an -qu…
Beating three-parameter precision trade-offs with entangling collective measurements
Simon K. Yung, Wen-Zhe Yan, Lan-Tian Feng +10
Quantum-mechanical incompatibility, which precludes the simultaneous precise measurement of non-commuting observables, imposes fundamental limits on the rate at which classical inf…
A single programmable photonic circuit for universal quantum measurements
Wen-Zhe Yan, Lan-Tian Feng, Zhibo Hou +7
Programmable photonic quantum processors face a critical challenge: despite significant advances in quantum state preparation and manipulation, measurements remain limited to proje…
Generalized collective quantum tomography: algorithm design, optimization, and validation
Shuixin Xiao, Yuanlong Wang, Zhibo Hou +6
Quantum tomography is a fundamental technique for characterizing, benchmarking, and verifying quantum states and devices. It plays a crucial role in advancing quantum technologies…
Unified formalism and adaptive algorithms for optimal quantum state, detector and process tomography
Shuixin Xiao, Xiangyu Wang, Yuanlong Wang +8
Quantum tomography is a standard technique for characterizing, benchmarking and verifying quantum systems/devices and plays a vital role in advancing quantum technology and underst…
Optimal estimation of three parallel spins with genuine and restricted collective measurements
Changhao Yi, Kai Zhou, Zhibo Hou +2
Collective measurements on identical and independent quantum systems can offer advantages in information extraction compared with individual measurements. However, little is known…
Experimental Realization of Genuine Three-copy Collective Measurements for Optimal Information Extraction
Kai Zhou, Changhao Yi, Wen-Zhe Yan +5
Nonclassical phenomena tied to entangled states are the focus of foundational studies and powerful resources in many applications. By contrast, the counterparts in quantum measurem…
Experimental Demonstration of Inequivalent Mutually Unbiased Bases
Wen-Zhe Yan, Yunting Li, Zhibo Hou +4
Quantum measurements based on mutually unbiased bases (MUB) play crucial roles in foundational studies and quantum information processing. It is known that there exist inequivalent…
Higher-dimensional symmetric informationally complete measurement via programmable photonic integrated optics
Lan-Tian Feng, Xiao-Min Hu, Ming Zhang +11
Symmetric informationally complete measurements are both important building blocks in many quantum information protocols and the seminal example of a generalised, non-orthogonal, q…
Minimum-consumption discrimination of quantum states via globally optimal adaptive measurements
Boxuan Tian, Wenzhe Yan, Zhibo Hou +3
Reducing the average resource consumption is the central quest in discriminating non-orthogonal quantum states for a fixed admissible error rate . The globally optimal…
Universal device for two-qubit entangled measurements via photonic quantum walks
Wen-Zhe Yan, Zhibo Hou, Jun-Feng Tang +4
Sophisticated quantum measurements are fundamental to obtain a quantum advantage in many informational problems. Here, we consider the task of guessing a direction encoded in a two…
Efficient Experimental Verification of Quantum Gates with Local Operations
Rui-Qi Zhang, Zhibo Hou, Jun-Feng Tang +5
Verifying the correct functioning of quantum gates is a crucial step towards reliable quantum information processing, but it becomes an overwhelming challenge as the system size gr…
Experimental Masking of Real Quantum States
Rui-Qi Zhang, Zhibo Hou, Zihao Li +4
Masking of quantum information is a way of hiding information in correlations such that no information is accessible to any local observer. Although the set of all quantum states a…
Experimental study of quantum uncertainty from lack of information
Yuan-Yuan Zhao, Filip Rozpędek, Zhibo Hou +4
Quantum uncertainty is a well-known property of quantum mechanics that states the impossibility of predicting measurement outcomes of multiple incompatible observables simultaneous…
Classical Communication Enhanced Quantum State Verification
Wen-Hao Zhang, Xiao Liu, Peng Yin +11
Quantum state verification provides an efficient approach to characterize the reliability of quantum devices for generating certain target states. The figure of merit of a specific…
Experimental Realization of Nonadiabatic Holonomic Single-Qubit Quantum Gates\\ with Optimal Control in a Trapped Ion
Ming-Zhong Ai, Sai Li, Zhibo Hou +7
Quantum computation with quantum gates induced by geometric phases is regarded as a promising strategy in fault tolerant quantum computation, due to its robustness against operatio…
Experimental optimal orienteering via parallel and antiparallel spins
Jun-Feng Tang, Zhibo Hou, Jiangwei Shang +4
Antiparallel spins are superior in orienteering to parallel spins. This intriguing phenomenon is tied to entanglement associated with quantum measurements rather than quantum state…
Ultimate precision of multi-parameter quantum magnetometry under the parallel scheme
Zhibo Hou, Hongzhen Chen, Liqiang Liu +5
The precise measurement of a magnetic field is one of the most fundamental and important tasks in quantum metrology. Although extensive studies on quantum magnetometry have been ca…
Direct estimation of quantum coherence by collective measurements
Yuan Yuan, Zhibo Hou, Jun-Feng Tang +4
The recently established resource theory of quantum coherence allows for a quantitative understanding of the superposition principle, with applications reaching from quantum comput…
Strong Majorization Uncertainty Relations: Theory and Experiment
Yuan Yuan, Yunlong Xiao, Zhibo Hou +5
In spite of enormous theoretical and experimental progresses in quantum uncertainty relations, the experimental investigation of most current, and universal formalism of uncertaint…
Experimental realization of self-guided quantum process tomography
Zhibo Hou, Jun-Feng Tang, Christopher Ferrie +3
Characterization of quantum processes is a preliminary step necessary in the development of quantum technology. The conventional method uses standard quantum process tomography, wh…
Detecting Non-Markovianity via Quantified Coherence: Theory and Experiments
Kang-Da Wu, Zhibo Hou, Guo-Yong Xiang +4
The dynamics of open quantum systems and manipulation of quantum resources are both of fundamental interest in quantum physics. Here, we investigate the relation between quantum Ma…
Control-enhanced sequential scheme for general quantum parameter estimation at the Heisenberg limit
Zhibo Hou, Rui-Jia Wang, Jun-Feng Tang +4
The advantage of quantum metrology has been experimentally demonstrated for phase estimations where the dynamics are commuting. General noncommuting dynamics, however, can have dis…