435 citations · 1.4k across the 18 of their papers we have counts for
18 papers
Dopant-assisted stabilization of negatively charged single nitrogen-vacancy centers in phosphorus-doped diamond at low temperatures
Jianpei Geng, Tetyana Shalomayeva, Mariia Gryzlova +9
Charge state instabilities have been a bottleneck for the implementation of solid-state spin systems and pose a major challenge to the development of spin-based quantum technologie…
Ancilla assisted Discrete Time Crystals in Non-interacting Spin Systems
Jianpei Geng, Vadim Vorobyov, Durga Dasari +1
We show here through experiments and exact analytical models the emergence of discrete time translation symmetry breaking in non-interacting systems. These time-periodic structures…
Experimental dissipative quantum sensing
Yijin Xie, Jianpei Geng, Huiyao Yu +3
Quantum sensing utilizes quantum systems as sensors to capture weak signal, and provides new opportunities in nowadays science and technology. The strongest adversary in quantum se…
Single spin resonance in a van der Waals embedded paramagnetic defect
Nathan Chejanovsky, Amlan Mukherjee, Youngwook Kim +7
Spins constitute a group of quantum objects forming a key resource in modern quantum technology. Two-dimensional (2D) van der Waals materials are of fundamental interest for studyi…
Observation of parity-time symmetry breaking in a single spin system
Yang Wu, Wenqiang Liu, Jianpei Geng +5
A fundamental axiom of quantum mechanics requires the Hamiltonians to be Hermitian which guarantees real eigen-energies and probability conservation. However, a class of non-Hermit…
Quantum state tomography of a single electron spin in diamond with Wigner reconstruction
Bing Chen, Jianpei Geng, Feifei Zhou +3
We present the experimental reconstruction of the Wigner function of an individual electronic spin qubit associated with a nitrogen-vacancy (NV) center in diamond at room temperatu…
Dynamically Polarizing Spin Register of NV Centers in Diamond using Chopped Laser Pulses
Nanyang Xu, Yu Tian, Bing Chen +4
Nuclear spins nearby nitrogen-vacancy (NV) centers in diamond are excellent quantum memory for quantum computing and quantum sensing, but are difficult to be initialized due to the…
Constraints on a Spin-Dependent Exotic Interaction between Electrons with Single Electron Spin Quantum Sensors
Xing Rong, Man Jiao, Jianpei Geng +6
A new laboratory bound on the axial-vector mediated interaction between electron spins at micrometer scale is established with single nitrogen-vacancy (NV) centers in diamond. A si…
Experimental Observation of a Generalized Thouless Pump with a Single Spin
Wenchao Ma, Longwen Zhou, Qi Zhang +7
Adiabatic cyclic modulation of a one-dimensional periodic potential will result in quantized charge transport, which is termed the Thouless pump. In contrast to the original Thoule…
Searching for new particles beyond the standard model with a single electron-spin quantum sensor
Xing Rong, Mengqi Wang, Jianpei Geng +10
Searching for new particles beyond the standard model is crucial for understanding several fundamental conundrums in physics and astrophysics. Amongst them, axions or similar hypot…
Scalable quantum computation based on quantum actuated nuclear-spin decoherence-free qubits
Xing Rong, Lihong Dong, Jianpei Geng +4
We propose a novel architecture for scalable quantum computation based on quantum actuated decoherence-free (DF) qubits. Each qubit is encoded by the DF subspace of a nuclear spin…
Experimental Test of Born's Rule by Inspecting Third-Order Quantum Interference on a Single Spin in Solids
Fangzhou Jin, Ying Liu, Jianpei Geng +7
As a fundamental postulate of quantum mechanics, Born's rule assigns probabilities to the measurement outcomes of quantum systems and excludes multi-order quantum interference. Her…
Experimental Adiabatic Quantum Factorization under Ambient Conditions Based on a Solid-State Single Spin System
Kebiao Xu, Tianyu Xie, Zhaokai Li +8
The adiabatic quantum computation is a universal and robust method of quantum computing. In this architecture, the problem can be solved by adiabatically evolving the quantum proce…
Experimental time-optimal universal control of spin qubits in solids
Jianpei Geng, Yang Wu, Xiaoting Wang +5
Quantum control of systems plays important roles in modern science and technology. The ultimate goal of quantum control is to achieve high fidelity universal control in the time-op…
Experimental fault-tolerant universal quantum gates with solid-state spins under ambient conditions
Xing Rong, Jianpei Geng, Fazhan Shi +7
Quantum computation provides great speedup over its classical counterpart for certain problems. One of the key challenges for quantum computation is to realize precise control of t…
Implementation of dynamically corrected gates for single-spin qubits
Xing Rong, Jianpei Geng, Zixiang Wang +5
Precise control of an open quantum system is critical to quantum information processing, but is challenging due to inevitable interactions between the quantum system and the enviro…
Experimental protection and revival of quantum correlation in open solid systems
Xing Rong, Fangzhou Jin, Zixiang Wang +7
Quantum correlation quantified by quantum discord has been demonstrated experimentally as important physical resources in quantum computation and communication for some cases even…
Quantum Discord for Investigating Quantum Correlations without Entanglement in Solids
Xing Rong, Zixiang Wang, Fangzhou Jin +7
Quantum systems unfold diversified correlations which have no classical counterparts. These quantum correlations have various different facets. Quantum entanglement, as the most we…