150 citations · 577 across the 17 of their papers we have counts for
17 papers
Imaging magnetic flux trapping in lanthanum hydride using diamond quantum sensors
Yang Chen, Junyan Wen, Ze-Xu He +7
Lanthanum hydride has attracted significant attention in recent years due to its signatures of superconductivity at around 250 K (1, 2). However, the megabar pressures required for…
Imaging the Meissner effect in pressurized bilayer nickelate with integrated multi-parameter quantum sensor
Junyan Wen, Yue Xu, Gang Wang +14
Recent reports on the signatures of high-temperature superconductivity with a critical temperature Tc close to 80 K have triggered great research interest and extensive follow-up s…
Optically Detected Magnetic Resonance of Nitrogen-Vacancy Centers in Diamond under Weak Laser Excitation
Yong-Hong Yu, Rui-Zhi Zhang, Yue Xu +7
As promising quantum sensors, nitrogen-vacancy (NV) centers in diamond have been widely used in frontier studies in condensed matter physics, material sciences, and life sciences.…
Miniature Magnetic Nano islands in a Morphotropic Cobaltite Matrix
Shengru Chen, Dongke Rong, Yue Xu +17
High-density magnetic memories are key components in spintronics, quantum computing, and energy-efficient electronics. Reduced dimensionality and magnetic domain stability at the n…
Quantum sensing with diamond NV centers under megabar pressures
Jian-Hong Dai, Yan-Xing Shang, Yong-Hong Yu +6
Megabar pressures are of crucial importance for cutting-edge studies of condensed matter physics and geophysics. With the development of diamond anvil cell, laboratory studies of h…
High-Pressure NMR Enabled by Diamond Nitrogen-Vacancy Centers
Yan-Xing Shang, Fang Hong, Jian-Hong Dai +6
The integration of NMR and high pressure technique brings unique opportunities to study electronic, structural and dynamical properties under extreme conditions. Despite a great de…
Observing information backflow from controllable non-Markovian multi-channels in diamond
Yanan Lu, Yuran Zhang, Gangqin Liu +3
Any realistic quantum system is inevitably subject to an external environment. This environment makes the open-system dynamics significant for many quantum tech-nologies, such as e…
Quantum coherence control at near 1000 K
Gang-Qin Liu, Xi Feng, Ning Wang +2
Quantum coherence control usually requires extremely low temperature environments. Even for spins in diamond, a remarkable exception, the coherence signal is lost as temperature ap…
Magnetic criticality-enhanced hybrid nanodiamond-thermometer under ambient conditions
Ning Wang, Gang-Qin Liu, Weng-Hang Leong +10
Nitrogen vacancy (NV) centres in diamond are attractive as quantum sensors owing to their superb coherence under ambient conditions. However, the NV centre spin resonances are rela…
Single-Shot Readout of a Nuclear Spin Weakly Coupled to a Nitrogen-Vacancy Center
Gang-Qin Liu, Jian Xing, Wen-Long Ma +5
Single-shot readout of qubits is required for scalable quantum computing. Nuclear spins are superb quantum memories due to their long coherence times but are difficult to be read o…
Demonstration of Entanglement-Enhanced Phase Estimation in Solid
Gang-Qin Liu, Yu-Ran Zhang, Yan-Chun Chang +3
Precise parameter estimation plays a central role in science and technology. The statistical error in estimation can be decreased by repeating measurement, leading to that the resu…
Band-selective shaped pulse for high fidelity quantum control in diamond
Yan-Chun Chang, Jian Xing, Fei-Hao Zhang +6
High fidelity quantum control over qubits is of crucial importance for realistic quantum computing, and it turns to be more challenging when there are inevitable interactions among…
Noise-resilient quantum evolution steered by dynamical decoupling
Gang-Qin Liu, Hoi Chun Po, Jiangfeng Du +2
Realistic quantum computing is subjected to noise. A most important frontier in research of quantum computing is to implement noise-resilient quantum control over qubits. Dynamical…
Protection of center-spin coherence by dynamically polarizing nuclear spin core in diamond
Gang-Qin Liu, Qian-Qing Jiang, Yan-Chun Chang +7
We experimentally investigate the protection of electron spin coherence of nitrogen vacancy (NV) center in diamond by dynamical nuclear polarization. The electron spin decoherence…
State-independent experimental test of quantum contextuality in solid state system
Xin-Yu Pan, Yan-Chun Chang, Gang-Qin Liu +1
Quantum mechanics implies that not all physical properties can be simultaneously well defined, such as the momentum and position due to Heisenberg uncertainty principle. Some alter…
Controllable effects of quantum fluctuations on spin free-induction decay at room temperature
Xin-Yu Pan, Gang-Qin Liu, Dong-Qi Liu +3
Fluctuations of local fields cause decoherence of quantum objects. It is generally believed that at high temperatures, thermal noises are much stronger than quantum fluctuations un…
Solid-State Optimal Phase-Covariant Quantum Cloning Machine
Xin-Yu Pan, Gang-Qin Liu, Li-Li Yang +1
Here we report an experimental realization of optimal phase-covariant quantum cloning machine with a single electron spin in solid state system at room temperature. The involved th…