Italian optical cable manufacturer Prysmian and Relativity Networks have this week deployed what both claim to be their highest-density hollow-core fiber cable to date.

The announcement builds on a partnership signed between the companies last year for the mass production of hollow-core optical fiber (HCF) and cabling.

10 Apr 2025

Hollow core fiber: What is it and why does it matter?

The technology is growing in popularity, but can it ever replace traditional single mode fiber?