US EditionIndia Enters New Quantum Era with DRDO-IIT Delhi’s Secure Free-Space QKD Demo
- On June 16, 2025, DRDO and IIT-Delhi demonstrated Quantum Entanglement-based free-space Quantum Secure Communication over 1 km, marking a significant advancement in quantum cybersecurity and communications, according to the Defence Ministry.
- The experiment achieved a secure key rate of nearly 240 bits per second with a quantum bit error rate of less than 7%.
- Defence Minister Rajnath Singh stated this achievement represents India's entry into a new quantum era of secure communication, calling it a game changer in future warfare.
- This technology enables secure communication without the need for optical fibers, which can be costly and disruptive in difficult terrains and cities.
26 Articles
26 Articles
DRDO, IIT-Delhi achieve breakthrough in quantum communication
India has made a significant stride in the quantum communication field, marking a potential shift towards real-time applications in quantum cyber security, as reported by the defense ministry. They announced that a successful demonstration of free-space quantum secure communication using quantum entanglement was achieved over a distance exceeding one kilometer, utilising a free-space optical link established on the IIT-Delhi campus. With this ac…
The Print
DRDO, IIT-Delhi successfully demonstrate experimental advancement in quantum communication
New Delhi, Jun 16 (PTI) India has successfully demonstrated an experimental advancement in quantum communication domain that paves the way for real-time applications in quantum cyber security, according to the defence ministry. “The free-space quantum secure communication using quantum entanglement over a distance of more than one km was achieved via a free-space optical link […]
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