Why has hollow-core fiber suddenly become popular? Is Yangtze Optical Fibre and Cable Company back in the spotlight again?
Today, I attended ACP 2026 on-site. The speaker was Professor Sir David N Payne from the University of Southampton in the UK. He is a towering figure in the field of photonics and widely regarded as Britain’s most respected scientist in optics. Over his more than 50-year research career, he has virtually single-handedly reshaped the landscape of modern optical communications. This time, his talk had an intriguing title: Reimagining the Global Internet—“Nothing (Air)” Beats “Silica (…