Physicists in Japan have achieved the first entangled measurement of W states, a phenomenon that could pave the way for robust quantum communication and scalable networks.
Quantum entanglement is a state where two particles are interconnected, allowing the measurement of one particle to reveal information about the other, even if they are light-years apart.
This phenomenon is the foundation of technologies such as quantum cryptography and quantum computing.
A team of physicists has performed a collective quantum measurement on a W state comprising three entangled photons, allowing them to analyse the photons at once rather than one at a time.
Author's summary: Japanese physicists achieve breakthrough in quantum entanglement measurement.