High-Fidelity Operations on Silicon Donor Qubits Using Dynamical Decoupling Gates.

Jing Cheng, Shihang Zhang, Banghong Guo, Huanwen Xie, Peihao Huang

Abstract read

In one paragraph

Article in Entropy (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

5 authors.

Jing ChengGuangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Optoelectonic Science and Engineering, South China Normal University, Guangzhou 510006, China.

Shihang ZhangInternational Quantum Academy, Shenzhen 518048, China.

Banghong GuoGuangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Optoelectonic Science and Engineering, South China Normal University, Guangzhou 510006, China.

Huanwen XieNational Quantum Communication (Guangdong) Co., Ltd., Guangzhou 510700, China.

Peihao HuangInternational Quantum Academy, Shenzhen 518048, China.

Funding

The Key-Area Research and Development Program of Guang- 346 dong Province 2018B030325002

6 · The paper itself

Abstract

Dynamic decoupling (DD) can suppress decoherence caused by environmental noise, while in hybrid system it also hinders coherent manipulation between qubits. We realized the universal high-fidelity quantum gate set and the preparation of Bell states using dynamical decoupling gates (DD gates) in a silicon-based phosphorus-doped (Si:P) system, effectively resolving the contradiction between decoherence protection and manipulation of qubits. The simulation results show that the fidelity of the universal quantum gate set are all above 99%, and the fidelity of Bell state preparation is over 96%. This work realized the compatibility between coherent protection and high-fidelity manipulation of quantum states, provided a reliable theoretical support for high-fidelity quantum computing.

Indexed as

dynamical decoupling gatefidelityquantum computingsilicon-based phosphorus-doped systemspin qubits

Identifiers

PMID40870277

DOI10.3390/e27080805

PMCPMC12385839

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.