Baidu Tech Salon
May 12, 2014 · Information Security
Pulse Position Modulation for Secure Optical Communication
Scientists at the University of Massachusetts have demonstrated a pulse‑position‑modulation optical link that encodes data in sparse laser pulses amid unrelated photons, making eavesdropping appear as random noise and offering theoretically unbreakable encryption, though it requires a pre‑shared decoding key.
cryptographyinformation securitylaser transmission
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