Sunlight creates quantum entanglement once thought to require lasers

Scientists have generated quantum entanglement directly from sunlight in an outdoor experiment, ScienceDaily reports. The entangled photons achieved approximately ninety-four percent similarity to an ideal state, suggesting that sunlight could serve as a lower-energy alternative to conventional lasers typically used in quantum technology. This advance could enable simpler quantum satellites, secure communications, and more energy-efficient quantum computing.

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