Breakthrough in Quantum Entanglement
Physicists in Japan have achieved the first entangled measurement of W states, a significant step towards robust quantum communication and scalable networks.
Quantum entanglement is a phenomenon where two particles are interconnected, allowing the measurement of one particle to reveal information about the other, even at vast distances.
This breakthrough, reported in Science Advances, involved a collective quantum measurement on a W state comprising three entangled photons, allowing for analysis of all three photons at once.
Imagine two particles so interconnected that measuring one immediately reveals information about the other, even if the particles are light–years apart.
- Entangled states are difficult to control, but this achievement paves the way for practical development of quantum technologies.
- Quantum tomography is typically used to measure entangled particles, but this new method allows for collective measurement.
Author's summary: Japanese physicists achieve entangled measurement of W states.
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