可扩展中性原子阵列技术获验证 为构建10万量子比特计算机奠定基础

Core Insights - The research team from Columbia University aims to enhance the current quantum computing capabilities by increasing the number of qubits from approximately 1,000 to over 100,000 through a novel technique combining optical tweezers and metasurface technology [1] Group 1: Quantum Computing Advancements - The team has successfully captured 1,000 strontium atoms and validated that their method can theoretically scale to over 100,000 atoms, which could serve as qubits in future quantum computers [1] - Neutral atom arrays are emerging as a new platform for quantum computing, offering natural advantages such as stable quantum superposition and entanglement without the need for calibration and synchronization like solid-state qubits [1] Group 2: Technical Innovations - The metasurface used in the research is made of silicon nitride and titanium dioxide, capable of withstanding laser intensities exceeding 2,000 watts per square millimeter, which is about one million times the intensity of sunlight at the Earth's surface [2] - The team constructed a 3.5 mm diameter metasurface containing over 100 million pixels, capable of generating a 600×600 array totaling 360,000 optical tweezers, representing a two-order-of-magnitude improvement over existing technologies [2] - This technology not only has the potential to advance large-scale quantum computing but also applications in quantum simulation and high-precision optical atomic clocks [2]