Recent advances in reducing optical losses and the prospects for telecommunication applications of hollow-core fibers, issues of transporting high-intensity optical radiation, and results on nonlinear compression and the generation of ultrashort pulses in gas-filled hollow-core. Recent advances in reducing optical losses and the prospects for telecommunication applications of hollow-core fibers, issues of transporting high-intensity optical radiation, and results on nonlinear compression and the generation of ultrashort pulses in gas-filled hollow-core. National Institute of Telecommunications, ul. Szachowa 1, 04-894 Warsaw, Poland The progress made in several fields after 2023 is rather significant. Attenuation achieved by the best HCFs was reduced to 0. 10 dB/km at 1550 nm, while the lowest attenuation achieved in a single-mode fiber with a. For decades, optical fibers have relied on a solid glass core to guide light and have formed the backbone of global telecommunications. However, glass imposes a fundamental physical limitation because light travels through it approximately 30 percent slower than through air. Recent Progress in Hollow-Core Fibers Recent Progress in Hollow-Core Fibers Wei Gao, Weizhen Zhu, Xiaokang Ma, Qiujun Ruan, Zhijun Luo, Yabin Pi, Zhenggang Lian* Yangtze Optical Electronic Co., Wuhan 430205, China Crimson Publishers Wings to the Research Mini Review *Corresponding. The two types that appear to be showing the most promise for optical fibers in terms of viability are Hollow-Core Optical Fiber (HCF) and Multicore Optical Fiber (MCF), so far demonstrating some real improvements in speed, bandwidth, and capacity. Let's take a brief look at both types of fiber. In this webinar, you'll gain practical insights and firsthand perspectives on the latest advancements in hollow-core fiber development—directly from one of the leading experts actively pushing the boundaries of this cutting-edge technology, Hesham Sakr.