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DRDO, IIT-Delhi demonstrate secure free-space communication over 1 km using quantum tech
- India demonstrates quantum secure communication over 1 km using quantum technology.
- DRDO and IIT Delhi achieved the secure communication through free-space optical transmission.
- Defence Minister Rajnath Singh lauds the achievement, highlighting its importance in cybersecurity.
- The experiment at IIT Delhi campus achieved a key rate of nearly 240 bits per second with low quantum bit error rate.
- The project aimed at developing photonic technologies for free-space Quantum Key Distribution (QKD).
- Entanglement-assisted quantum secure communication opens avenues for applications in quantum cybersecurity and future quantum networks.
- Quantum communication offers unbreakable encryption and has applications in various strategic sectors.
- Free-space QKD eliminates the need for laying optical fibres, making it cost-effective and suitable for challenging terrains.
- DRDO previously demonstrated India's first intercity quantum communication link and quantum keys distribution over a 100-km optical fibre.
- Quantum technologies are being developed through Defence Innovation Agency Centres of Excellence set up at various academic institutes.
- The achievement showcases India's progress in quantum secure communication and its potential for future applications.
- Quantum technology enhances both security and functionality in communication, offering advantages over traditional methods.
- The use of quantum entanglement ensures the security of key distribution even in the presence of compromised devices.
- The experiment represents a significant advancement in secure communication technology with practical implications in national security.
- The success of the project contributes to the development of quantum internet and related technologies.
- Overall, the demonstration signifies a major step towards leveraging quantum technology for secure communication purposes.
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