Photonics Breakthroughs 2024: Scalable Quantum Computing on a Single Photon Using Spatial Modes | Zendy

Jun Liu | Zendy; Qianke Wang | Zendy; Dawei Lyu | Zendy; Jian Wang | Zendy

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Photonics Breakthroughs 2024: Scalable Quantum Computing on a Single Photon Using Spatial Modes

Author(s) -

Jun Liu,

Qianke Wang,

Dawei Lyu,

Jian Wang

Publication year - 2025

Publication title -

ieee photonics journal

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.725

H-Index - 73

eISSN - 1943-0655

DOI - 10.1109/jphot.2025.3621698

Subject(s) - engineered materials, dielectrics and plasmas , photonics and electrooptics

High-dimensional quantum gates based on spatial mode of photons hold promise for advancing quantum computation. We demonstrate high-fidelity spatial mode quantum gates with fidelities up to 99.6%, using diffractive neural networks (DNNs). These gates are experimentally implemented with programmable phase layers in a compact and scalable device, enabling demonstrations like the Deutsch algorithm. Our approach showcases high reliability, adaptability, and potential for integration in quantum computation.

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