量子芯片,史上首次,谷歌造
半导体行业观察·2025-10-23 01:01

Core Insights - Google has achieved a historic milestone by successfully running a verifiable quantum algorithm that surpasses the capabilities of the fastest classical supercomputers, demonstrating a speed increase of 13,000 times [2][5] - The breakthrough is based on the Willow quantum chip, which significantly reduces error rates and enhances computational speed, paving the way for practical applications in fields like medicine and materials science [6][11] Quantum Echoes Algorithm - The Quantum Echoes algorithm represents the first verifiable quantum advantage, meaning results can be replicated on Google's quantum computer or any equivalent quantum system, confirming the outcomes [5][6] - This algorithm simulates physical experiments and tests both complexity and accuracy, making it a significant step towards practical quantum computing applications [6] Willow Quantum Chip - The Willow chip has achieved two major advancements: it reduces errors exponentially with an increase in qubit numbers and completes a standard benchmark calculation in five minutes, a task that would take the fastest classical supercomputer approximately 10^25 years [11][15] - The chip features 105 qubits and has shown impressive performance in quantum error correction and random circuit sampling benchmarks, indicating its potential for scalable quantum computing [18][19] Applications in Science - Quantum computing is expected to play a crucial role in modeling quantum mechanical phenomena, such as atomic interactions and molecular structures, which are foundational in chemistry, biology, and materials science [8][9] - Experiments conducted in collaboration with UC Berkeley using the Quantum Echoes algorithm on the Willow chip have validated the method against traditional nuclear magnetic resonance (NMR) results, revealing new insights [8] Future Prospects - Google aims to demonstrate practical, super-classical computations that are relevant to real-world applications, bridging the gap between quantum computing capabilities and commercial viability [19] - The advancements in quantum error correction and the performance of the Willow chip suggest that practical large-scale quantum computers are becoming increasingly feasible [13][17]