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In many quantum technologies, two things work against each other: quantum entanglement and decoherence. Imagine they’re like opposing forces.
Quantum teleportation usually relies on perfectly connected pairs of particles (entangled qubits), but it’s easily messed up by decoherence, which disrupts those connections.
Researchers at the University of Turku, Finland, and the University of Science and Technology of China, Hefei, have proposed a unique solution to overcome this problem.
The novel method allows for high-quality teleportation to occur even in noisy environments.
“The work is based on an idea of distributing entanglement — before running the teleportation protocol — beyond the used qubits, i.e., exploiting the hybrid entanglement between different physical degrees of freedom”, said Jyrki Piilo, a professor at the University of Turku, in …
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