activity
20172025
most citedExperimental measurement of the quantum geometric tensor using coupled qubits in diamond

116 citations · 304 across the 8 of their papers we have counts for

collaborators

8 papers

quant-ph2025

Overcoming frequency resolution limits using a solid-state spin quantum sensor

Qingyun Cao, Genko T. Genov, Yaoming Chu +4

The ability to determine precisely the separation of two frequencies is fundamental to spectroscopy, yet the resolution limit poses a critical challenge: distinguishing two incoher…

quant-ph2023★ 24 cited

Protecting Quantum Information via Destructive Interference of Correlated Noise

Alon Salhov, Qingyun Cao, Jianming Cai +3

Decoherence and imperfect control are crucial challenges for quantum technologies. Common protection strategies rely on noise temporal autocorrelation, which is not optimal if othe…

quant-ph2023★ 8 cited

Two-photon-transition superadiabatic passage in an nitrogen-vacancy center in diamond

Musang Gong, Min Yu, Yaoming Chu +6

Reaching a given target quantum state with high fidelity and fast operation speed close to the quantum limit represents an important goal in quantum information science. Here, we e…

quant-ph2020★ 76 cited

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…

quant-ph2018★ 116 cited

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…

quant-ph2018★ 41 cited

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…

quant-ph2017★ 8 cited

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…

quant-ph2017★ 31 cited

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…