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QNu Labs has successfully demonstrated a 5.56km free-space Quantum Key Distribution link in India, proving that secure quantum communication is viable outside of laboratory environments and fiber optics. By integrating this technology with the Vedic Kavach platform, the trial establishes a dual-layer security model combining post-quantum cryptography with real-world quantum key distribution. This achievement marks a critical step toward practical satellite-based quantum networks and broader deployment of indigenous quantum infrastructure.
Source coveringQuantum Zeitgeist
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QNu Labs sends quantum keys over 5.5km of open air in India

Quantum Zeitgeist2 min read

QNu Labs transmitted secure quantum keys over 5.5km of free space in India, linking BISAG-N and IIT Gandhinagar.

QNu Labs completed a 5.56 kilometer free-space Quantum Key Distribution link between BISAG-N and IIT Gandhinagar, marking India’s first demonstration of secure quantum communication at that scale beyond laboratory settings. The field…

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