Quantum Repeater Breakthrough: A Quantum Leap for Secure Internet?

Is the quantum internet closer than we think? Recent breakthroughs suggest we might be on the brink of a secure quantum revolution.

The dream of a secure quantum internet took a significant step forward with two major advancements in quantum information storage. Researchers from Harvard and the University of Science and Technology of China demonstrated long-lasting entanglement memory over tens of kilometers, a crucial feature for developing quantum repeaters.

These repeaters are essential for transmitting quantum bits (qubits) over long distances without degradation. Harvard's team managed to maintain entanglement between nodes 35 kilometers apart in Boston, using diamonds with atom-sized holes.

Meanwhile, the Chinese team connected three nodes 10 kilometers apart, using rubidium atoms. Both achievements are vital steps toward building quantum networks that could enable unhackable communications and connect quantum computers across cities and countries.

Are we ready to embrace the quantum leap, ensuring secure and advanced communications?

Read the full article on New Scientist.

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