Nanjing University School of Physics

Toward scalable quantum networks: An efficient and practical approach to secure quantum conferencing

The study presents an asynchronous measurement-device-independent quantum cryptographic conferencing protocol that overcomes scalability challenges in conventional protocols. The protocol enables the generation of secure keys at higher rates, making it suitable for larger-scale quantum networks.

SourceNanjing University School of Physics·JournalPhysical Review Letters·TypeExperimental study·DateSep 21, 2026

Committing light moments to solid quantum memory

A team at Nanjing University has successfully demonstrated quantum teleportation from telecommunication-wavelength light to a solid-state quantum memory, exceeding theoretical limits for classical systems. The experiment uses components compatible with existing fibre networks, opening the door to large-scale quantum networks.

SourceNanjing University School of Physics·JournalPhysical Review Letters·TypeExperimental study·DateJul 5, 2025

Long-live quantum entanglement goes to distance

Researchers have achieved record-long quantum storage of entangled photons at telecom wavelengths on a platform that can be deployed in extended networks. The storage time is almost 400 times longer than previous demonstrations, demonstrating a decisive step towards practical devices.

SourceNanjing University School of Physics·JournalNature Communications·TypeExperimental study·DateNov 29, 2023