🔬 Science
1d ago
· Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS
Quantum Breakthrough: Unhackable Keys Sent Over 120 km Using Quantum Dots
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Quantum dot–based time-bin QKD achieves stable, long-distance secure communication with practical performance. Quantum key distribution is the most advanced area of quantum cryptography and offers fundamentally secure communication for the future quantum internet. Solid-state light sources such as semiconductor quantum dots (SQDs) have drawn significant attention because they can generate high-quality non-classical photons for quantum [...]
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