Core Insights - The research team from the Chinese Academy of Sciences has made a breakthrough in neutral atom quantum computing by proposing and experimentally validating a new architecture based on fiber arrays, addressing the core challenges of high parallelism, high speed, and high stability in addressing control [1][2] Group 1: Quantum Computing Advancements - Neutral atom quantum computing is gaining traction globally due to its strong scalability, high fidelity in gate operations, long coherence times, and reconfigurable connections, making it a significant direction for quantum computing hardware development [1] - Addressing capability is a key technology for the programmability of quantum computing, essential for the practical implementation of quantum algorithms and the foundation for universal, fault-tolerant quantum computing [1] Group 2: Innovative Architecture - The core innovation involves configuring independent control channels for each qubit, using a shared optical path to focus light in a vacuum, which aligns control beams with atomic traps, eliminating issues caused by mechanical vibrations or thermal drift [2] - Experimental data shows that the team achieved precise addressing control of 10 single atoms through 10 channels in an array of 64 fibers, with an average fidelity of 99.66% for single qubit operations and 99.61% for simultaneous operations on four randomly selected qubits [2] Group 3: Future Potential - The new architecture has flexible expansion potential, allowing for direct channel replication for scaling or integration with 3D optical waveguide arrays and photonic chip technology for large-scale controllable single-atom array quantum computing [2]
我国科学家开创中性原子量子计算新架构,单原子寻址保真度达99.66%
Huan Qiu Wang Zi Xun·2025-11-16 04:19