Scientists from Ahmedabad- based Space Applications Centre and Physical Research Laboratory now demonstrated Quantum Entanglement, in a major step forward towards satellite- based quantum communication.
What’s Quantum communication?
Quantum Communication is one of the safest ways to connect two places with high levels of quantum and code cryptography, which can not be decrypted or broken by an externalentity.However, it changes its form in a way that would warn the sender, If any hacker tries to crack communication in quantum communication. It would also beget the communication to be altered or deleted. Quantum communication is a field of applied quantum physics. It’s nearly related to quantum teleportation and information processing. The most developed and well- known application of quantum cryptography is quantum key distribution (QKD), which describes the use of quantum mechanical effects for performing cryptographic tasks or for breaking cryptographic systems.
Where was the experiment conducted?
Scientists conducted hack- proof communication between two places, using real- time Quantum Key Distribution (QKD). These places were separated by 300 meters.
How was this feat achieved?
This feat was achieved, as scientists developed several key technologies like BBM92 protocol implementation, robust & high brilliance entangled photon source (EPS), polarization compensation technique, NavIC enabled synchronization, etc. The cryptographic application software suite with integrated quantum security was also developed and demonstrated for text, video and image encryption or decryption.
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