Low-cost 1-step generation/ transmission of fiber-coupled single-photons at room temperature for powering future quantum internet

https://www.eurekalert.org/news-releases/1101989

"silica fiber doped with Nd3+ ions emitting photons across wide range of wavelengths including telecom standard, fiber then tapered wherein fiber section heated/ pulled gradually reducing thickness enabling accessing spatially separated individual Nd3+ within tapered section for selective laser pumped excitation... carries quantum information with extremely low loss... cost-effective, wavelength selectable, integrates into existing networks for all-fiber-integrated quantum communication networks... multi-qubit processing unit"