Haidong Yuan
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View article: Continuous Wave Quantum Detection and Ranging with quantum heterodyne detection
Continuous Wave Quantum Detection and Ranging with quantum heterodyne detection Open
In the continuous-wave Detection and Ranging technology, simultaneous and accurate range and velocity measurements of an unknown target are typically achieved using a frequency-modulated continuous wave (FMCW) with a heterodyne receiver. T…
View article: Programmable multi-mode entanglement via dissipative engineering in vibrating trapped ions
Programmable multi-mode entanglement via dissipative engineering in vibrating trapped ions Open
Generating multi-partite quantum entangled states amid dissipative environment is essential for advancing quantum simulation, metrology, and fundamental quantum research. Here, we use controlled dissipation as a resource and present an app…
View article: Entanglement-assisted multiparameter estimation with a solid-state quantum sensor
Entanglement-assisted multiparameter estimation with a solid-state quantum sensor Open
Quantum multiparameter estimation promises to extend quantum advantage to the simultaneous high-precision measurements of multiple physical quantities. However, realizing this capability in practical quantum sensors under realistic conditi…
View article: Tight tradeoff relation and optimal measurement for multi-parameter quantum estimation
Tight tradeoff relation and optimal measurement for multi-parameter quantum estimation Open
The main challenge in multi-parameter quantum estimation lies in the incompatibility between optimal schemes for different parameters, which leads to nontrivial tradeoffs between the precision limits for estimating different parameters. Un…
View article: Variational quantum metrology with the Loschmidt echo
Variational quantum metrology with the Loschmidt echo Open
By leveraging quantum effects, such as superposition and entanglement, quantum metrology promises higher precision than classical strategies. It is, however, a challenging task to achieve the higher precision on practical systems. This is …
View article: Distributed multi-parameter quantum metrology with a superconducting quantum network
Distributed multi-parameter quantum metrology with a superconducting quantum network Open
Quantum metrology has emerged as a powerful tool for timekeeping, field sensing, and precision measurements within fundamental physics. With the advent of distributed quantum metrology, its capabilities have been extended to probing spatia…
View article: Enhanced quantum hypothesis testing via the interplay between coherent evolution and noises
Enhanced quantum hypothesis testing via the interplay between coherent evolution and noises Open
Previous studies in quantum information have recognized that specific types of noise can encode information in certain applications. However, the role of noise in quantum hypothesis testing, traditionally assumed to undermine performance, …
View article: Coexistence of unipolar and bipolar resistive switching in optical synaptic memristors and neuromorphic computing
Coexistence of unipolar and bipolar resistive switching in optical synaptic memristors and neuromorphic computing Open
The human brain possesses a highly developed capability for sensing-memory-computing, and the integration of hardware with brain-like functions represents a novel approach to overcoming the von Neumann bottleneck. In this study, Ga2O3 phot…
View article: Distributed multi-parameter quantum metrology with a superconducting quantum network
Distributed multi-parameter quantum metrology with a superconducting quantum network Open
Quantum metrology has emerged as a powerful tool for timekeeping, field sensing, and precision measurements within fundamental physics. With the advent of distributed quantum metrology, its capabilities have been extended to probing spatia…
View article: Control incompatibility in multiparameter quantum metrology
Control incompatibility in multiparameter quantum metrology Open
In practical applications like quantum sensing and quantum imaging, there is often a necessity to estimate multiple parameters simultaneously. Although the ultimate precision limits for single-parameter estimation are well established, the…
View article: Simultaneous measurement of multiple incompatible observables and tradeoff in multiparameter quantum estimation
Simultaneous measurement of multiple incompatible observables and tradeoff in multiparameter quantum estimation Open
How well can multiple incompatible observables be implemented by a single measurement? This is a fundamental problem in quantum mechanics with wide implications for the performance optimization of numerous tasks in quantum information scie…
View article: Fully‐Optimized Quantum Metrology: Framework, Tools, and Applications
Fully‐Optimized Quantum Metrology: Framework, Tools, and Applications Open
This tutorial introduces a systematic approach for addressing the key question of quantum metrology: For a generic task of sensing an unknown parameter, what is the ultimate precision given a constrained set of admissible strategies. The a…
View article: Enhanced quantum hypothesis testing via the interplay between coherent evolution and noises
Enhanced quantum hypothesis testing via the interplay between coherent evolution and noises Open
Previous studies in quantum information have recognized that specific types of noise can encode information in certain applications. However, the role of noise in Quantum Hypothesis Testing (QHT), traditionally assumed to undermine perform…
View article: Simultaneous Measurement of Multiple Incompatible Observables and Tradeoff in Multiparameter Quantum Estimation
Simultaneous Measurement of Multiple Incompatible Observables and Tradeoff in Multiparameter Quantum Estimation Open
How well can multiple incompatible observables be implemented by a single measurement? This is a fundamental problem in quantum mechanics with wide implications for the performance optimization of numerous tasks in quantum information scie…
View article: Toward Heisenberg scaling in non-Hermitian metrology at the quantum regime
Toward Heisenberg scaling in non-Hermitian metrology at the quantum regime Open
Non-Hermitian quantum metrology, an emerging field at the intersection of quantum estimation and non-Hermitian physics, holds promise for revolutionizing precision measurement. Here, we present a comprehensive investigation of non-Hermitia…
View article: Quantum multiparameter estimation enhanced by a topological phase transition
Quantum multiparameter estimation enhanced by a topological phase transition Open
In quantum multiparameter estimation, multiple to-be-estimated parameters are encoded in a quantum dynamics system by a unitary evolution. As the parameters vary, the system may undergo a topological phase transition (TPT). In this paper, …
View article: Quantum gyroscopes based on double-mode surface-acoustic-wave cavities
Quantum gyroscopes based on double-mode surface-acoustic-wave cavities Open
Recent progress shows that a surface-acoustic-wave (SAW) cavity can not only induce quantum acoustic dynamics but also can form optomechanical-like systems. Its operating frequencies in the microwave band make it resistant to the thermal n…
View article: How Does the Ageing Population Affect China’s Household Savings Rate? Empirical Study Based on China’s Micro Household Data
How Does the Ageing Population Affect China’s Household Savings Rate? Empirical Study Based on China’s Micro Household Data Open
The impact of the ageing population on China’s economy and society is multifaceted, with the impact on household savings rates being particularly important. This study investigates the influence of population ageing on household savings ra…
View article: Multi-parameter quantum metrology with stabilized multi-mode squeezed state
Multi-parameter quantum metrology with stabilized multi-mode squeezed state Open
Squeezing a quantum state along a specific direction has long been recognized as a crucial technique for enhancing the precision of quantum metrology by reducing parameter uncertainty. However, practical quantum metrology often involves th…
View article: Quantum hypothesis testing via robust quantum control
Quantum hypothesis testing via robust quantum control Open
Quantum hypothesis testing plays a pivotal role in quantum technologies, making decisions or drawing conclusions about quantum systems based on observed data. Recently, quantum control techniques have been successfully applied to quantum h…
View article: High-fidelity Raman matterwave control by composite biased rotations
High-fidelity Raman matterwave control by composite biased rotations Open
Precise control of hyperfine matterwaves via Raman excitations is instrumental to a class of atom-based quantum technology. We investigate the Raman matterwave control technique for alkaline-like atoms in an intermediate regime characteriz…
View article: Simultaneous Measurement of Multiple Incompatible Observables and Tradeoff in Multiparameter Quantum Estimation
Simultaneous Measurement of Multiple Incompatible Observables and Tradeoff in Multiparameter Quantum Estimation Open
How well can multiple incompatible observables be implemented by a single measurement? This is a fundamental problem in quantum mechanics with wide implications for the performance optimization of numerous tasks in quantum information scie…
View article: Quantum hypothesis testing via robust quantum control
Quantum hypothesis testing via robust quantum control Open
Quantum hypothesis testing plays a pivotal role in quantum technologies, making decisions or drawing conclusions about quantum systems based on observed data. Recently, quantum control techniques have been successfully applied to quantum h…
View article: Quantum LiDAR with Frequency Modulated Continuous Wave
Quantum LiDAR with Frequency Modulated Continuous Wave Open
The range and speed of a moving object can be ascertained using the sensing technique known as light detection and ranging (LiDAR). It has recently been suggested that quantum LiDAR, which uses entangled states of light, can enhance the ca…
View article: Composite Biased Rotations for Precise Raman Control of Spinor Matterwaves
Composite Biased Rotations for Precise Raman Control of Spinor Matterwaves Open
Precise control of hyperfine matterwaves via Raman excitations is instrumental to a class of atom-based quantum technology. We investigate the Raman spinor control technique for alkaline atoms in an intermediate regime of single-photon det…
View article: Cooperation between Coherent Control and Noises in Quantum Metrology
Cooperation between Coherent Control and Noises in Quantum Metrology Open
In this article, the cooperation between coherent control and noises in open spin systems is studied, aiming to demonstrate that such cooperation can provide new possibilities for parametrization in quantum metrology. The cooperative schem…
View article: Variational Quantum Metrology with Loschmidt Echo
Variational Quantum Metrology with Loschmidt Echo Open
By utilizing quantum mechanical effects, such as superposition and entanglement, quantum metrology promises higher precision than the classical strategies. It is, however, practically challenging to realize the quantum advantages. This is …
View article: How Does Population Aging Impact Household Financial Asset Investment?
How Does Population Aging Impact Household Financial Asset Investment? Open
The accelerated aging of China’s population will inevitably increase the burden of social retirement and significantly impact the development of financial markets, which is not conducive to sustainable social development. A proper allocati…
View article: Quantum error precompensation for quantum noisy channels
Quantum error precompensation for quantum noisy channels Open
Most previous efforts of quantum error correction focused on either extending\nclassical error correction schemes to the quantum regime by performing a\nperfect correction on a subset of errors, or seeking a recovery operation to\nmaximize…
View article: QuanEstimation: An open-source toolkit for quantum parameter estimation
QuanEstimation: An open-source toolkit for quantum parameter estimation Open
Quantum parameter estimation promises a high-precision measurement in theory; however, how to design the optimal scheme in a specific scenario, especially under a practical condition, is still a serious problem that needs to be solved case…