Two for One: New Design Enables More Cost-Effective Quantum Key Distribution

Researchers at the National Institute of Standards and Technology have demonstrated a simpler and potentially lower-cost method for distributing strings of digits, or “keys,” for use in quantum cryptography, the most secure method of transmitting data. The new “quantum key distribution” (QKD) method, outlined in an upcoming paper, minimizes the required number of detectors, by far the most costly components in quantum cryptography.

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