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ISRO demonstrates free-space quantum communication technology

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The Indian Space Research Organisation (ISRO) demonstrated the technology that allows them to establish a secure connection between the buildings that are at a distance of 300 metres. This uses the free-space quantum communication techniques that help them to secure connection.

The demonstration is the first step for Space Applications Centre (SAC) engineers towards developing quantum satellite technology. 

Quantum communication will be involved in future strategic communication and advanced computers that can break the encryptions.

The technology can come in handy for several sectors that include digital money transactions, defence, etc.

Prof. Urbasi Singha also demonstrated a similar technology, last month, that was a part of Quantum Experiments using Satellite Technology (QuEST) for two 50 metres apart from the structure.

Quantum cryptography is also working that is used to encrypt the message that demonstrates the ability to share the secret key.

QuIC - Quantum Information and Computing lab is working on the QuEST project that is for long-distance quantum communications based on the satellite in collaboration with ISRO.

SAC technology also uses Quantum Key Distribution (QKD) that accomplishes the network mode for the major feat. 

The demonstration was covered up as the video conferencing that uses the signals of the quantum key encryption. 

It is considered a major milestone for secure satellite data communication for quantum technologies.

ISRO stated that the QKD technology underpins Quantum Communication technology working on the quantum mechanisms ensuring unconditional data security. With the conventional encryption systems.

The space agency also mentioned that their goal is to demonstrate the Satellite-Based Quantum Communication (SBQC) to gear up the Indian ground stations.

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