Before going to know how its works first we need to know what is Quantum Teleportation. Quantum Teleportation is a process of transmission of Quantum information like the atoms or photons with the help of classical communication and previously sharedquantum entanglementbetween the sending and receiving location.. Does it really works? is Quantum Teleportation is faster than light?
is Quantum Teleportation is faster than light ?
for this question the answer is NOTill Now there is no record states that quantum communication is faster than light.
Work in 1998 verified the initial predictions, and the distance of teleportation was increased in August 2004 to 600 meters, using optical fiber. Subsequently, the record distance for quantum teleportation has been gradually increased to 16 km, then to 97 km, and is now 143 km (89 mi), set in open air experiments done between two of the Canary Islands. There has been a recent record set (as of September 2015) using superconducting nanowire detectors that reached the distance of 102 km (63 mi) over optical fiber. For material systems, the record distance is 21 m.
How Quantum Teleportation Works?
In real life, teleportation uses quantum entanglement to transfer a physical state from one particle to another. The idea is that if you already have two entangled particles, one in (let us say) Los Angeles and the other in New York, you can use them to transmit information about a third particle.
Basically, we scan the particle in Los Angeles and then reconstruct an exact copy in New York using its quantum state information.
For scientists and engineers, that’s pretty cool. Without teleportation, there would be no way to send a qubit (a unit of quantum information analogous to a bit in a classical computer) from one place to another without physically moving the object that stores the qubit.
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