A longstanding quantum roadblock just fell, opening existing fiber networks to ultra-secure light signals - Phys.org
science 2026/04/30 22:00:01

A longstanding quantum roadblock just fell, opening existing fiber networks to ultra-secure light signals - Phys.org

Source:Phys.Org
Author:University of Copenhagen

Researchers at the Niels Bohr Institute have broken a longstanding barrier by managing to send single photons—that can’t be copied or split and thus are secure—in the network of optical fibers we already have. This opens up a broad range of applications relyi…