116 citations · 431 across the 12 of their papers we have counts for
12 papers
Accelerated quantum control in a three-level system by jumping along the geodesics
Musang Gong, Min Yu, Ralf Betzholz +4
In a solid-state spin system, we experimentally demonstrate a protocol for quantum-state population transfer with an improved efficiency compared to traditional stimulated Raman ad…
Experimental demonstration of topological bounds in quantum metrology
Min Yu, Xiangbei Li, Yaoming Chu +6
Quantum metrology is deeply connected to quantum geometry, through the fundamental notion of quantum Fisher information. Inspired by advances in topological matter, it was recently…
Experimental estimation of the quantum Fisher information from randomized measurements
Min Yu, Dongxiao Li, Jingcheng Wang +5
The quantum Fisher information (QFI) represents a fundamental concept in quantum physics. On the one hand, it quantifies the metrological potential of quantum states in quantum-par…
Quantum optimal control using phase-modulated driving fields
Jiazhao Tian, Haibin Liu, Yu Liu +5
Quantum optimal control represents a powerful technique to enhance the performance of quantum experiments by engineering the controllable parameters of the Hamiltonian. However, th…
Precise Spectroscopy of High-Frequency Oscillating Fields with a Single-Qubit Sensor
Yaoming Chu, Pengcheng Yang, Musang Gong +5
Precise spectroscopy of oscillating fields plays significant roles in many fields. Here, we propose an experimentally feasible scheme to measure the frequency of a fast-oscillating…
Quantum Fisher information measurement and verification of the quantum Cramér-Rao bound in a solid-state qubit
Min Yu, Yu Liu, Pengcheng Yang +8
The quantum Cramér-Rao bound sets a fundamental limit on the accuracy of unbiased parameter estimation in quantum systems, relating the uncertainty in determining a parameter to th…
Direct Observation of Instantaneous Influence between Entangled Photons
Boya Xie, Peng Yang, Guanyang Zhang +4
We investigate direct observation of quantum nonlocality without reference to theoretical models (including Bell theorem) except quantum mechanics, with a bipartite polarization-en…
Complete Quantum-State Tomography with a Local Random Field
Pengcheng Yang, Min Yu, Ralf Betzholz +2
Single-qubit measurements are typically insufficient for inferring arbitrary quantum states of a multi-qubit system. We show that if the system can be fully controlled by driving a…
Experimental measurement of the quantum geometric tensor using coupled qubits in diamond
Min Yu, Pengcheng Yang, Musang Gong +9
Geometry and topology are fundamental concepts, which underlie a wide range of fascinating physical phenomena such as topological states of matter and topological defects. In quant…
Observation of Floquet Raman transition in a driven solid-state spin system
Zijun Shu, Yu Liu, Qingyun Cao +5
We experimentally observe Floquet Raman transitions in the weakly driven solid state spin system of nitrogen-vacancy center in diamond. The periodically driven spin system simulate…
Unambiguous nuclear spin detection using engineered quantum sensing sequence
Zijun Shu, Zhendong Zhang, Qingyun Cao +9
Sensing, localising and identifying individual nuclear spins or frequency components of a signal in the presence of a noisy environments requires the development of robust and sele…
Protecting quantum spin coherence of nanodiamonds in living cells
Q. -Y. Cao, P. -C. Yang, M. -S. Gong +9
Due to its superior coherent and optical properties at room temperature, the nitrogen-vacancy (N-V ) center in diamond has become a promising quantum probe for nanoscale quantum se…