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This article focuses on utilizing the orbital angular momentum (the "twist") of photons to enhance data transmission capacity in quantum communications networks. By leveraging this specific property of light, researchers aim to improve signal resilience against environmental disturbances like bad weather, a critical challenge for long-distance quantum key distribution systems. The work represents significant progress in making practical, high-bandwidth quantum communication links viable under real-world atmospheric conditions.

Surse care acoperăPhys.org, arXiv, organiser.org, terrytao.wordpress.com

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Light's hidden properties save quantum information from the chaos of bad weather

Phys.org30 iulie 20261 min de cititArticolul și perspectiva sunt în engleză.

For years, researchers have tried to harness the "twist" of light to transmit data. This property describes how light spirals as it travels forward, and because it can be molded into a virtually infinite number of different twists, it provides a massive, promising alphabet for high-capacity communication.

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