Foreign Media: China Develops World's First Ultra-High-Speed Quantum Memory, Marking a Critical Step Toward Practical Quantum Computing
A research team from Zhejiang University in China has successfully developed the world's first ultra-high-speed quantum random-access memory (QRAM) designed specifically for quantum computers, overcoming the long-standing bottleneck in data retrieval within the field of quantum computing and laying the foundation for quantum acceleration in big-data applications such as drug development and financial fraud detection.
Although quantum computers can process complex problems at speeds unattainable by classical computers, they remain constrained by inefficient interfaces when reading large volumes of classical data—despite their speed, even the fastest quantum computers suffer significant slowdowns when processing classical data sequentially. QRAM is the key component that addresses this "bottleneck" issue and is a prerequisite for many quantum algorithms to achieve their performance advantages.
Quantum computers use "qubits" as their fundamental units. Unlike traditional bits, which can only represent 0 or 1, qubits can exist in a "superposition state," simultaneously representing both 0 and 1. Combined with quantum entanglement, quantum computers can outperform the most powerful supercomputers today by an exponential margin on specific tasks.
This breakthrough is regarded as a core milestone on the path toward practical universal quantum computing.
Original Article: toutiao.com/article/1867171949575241/
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