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Quantum Communication Is Ready for Its Close-Up

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Hank Hogan, Contributing Editor, [email protected]

Advances in detectors and sources have gotten quantum communication ready for rollout. Photonics plays a key role in this technology, thanks to the ability to impose a quantum state on particles of light and to detect that state at a point many miles away. Quantum communication may be ready for its big debut, but technical issues – such as how to increase transmission distance or construct a quantum repeater – still must be worked out. There are also questions about the commercial viability of the most near-term application, quantum key distribution (QDK). However, there is a...Read full article

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