Over the past few years, progress in hollow-core optical fiber technology has reduced the
attenuation of these fibers to levels comparable to those of all-solid silica-core single-mode …

Hollow-core optical fibers (HCFs) have unique properties like low latency, negligible optical
nonlinearity, wide low-loss spectrum, up to 2100 nm, the ability to carry high power, and …

Over the past few years, progress in hollow-core optical fiber technology has reduced the
attenuation of these fibers to levels comparable to those of all-solid silica-core single-mode …

We demonstrate a multi-watt, picosecond pulse duration laser source by exploiting a
cascaded Raman process to the second Stokes signal at a wavelength of 2.58 μ m in a …

Fluctuations of the optical length induced by fundamental thermal noise are known to set the
ultimate phase resolution of fiber-based interferometers. Although this noise has been …

We propose an approach to interconnect a hollow-core fiber (HCF) of arbitrary core size with
standard single-mode fiber with perfect mode-field size adaptation and experimentally …

Optical time domain reflectometry (OTDR) is a key technique to characterize fabricated and
installed optical fibers. It is also widely used in distributed sensing. OTDR of emerging …

The gas pressure and composition within a hollow core optical fibre (HCF) are important
across diverse application scenarios. For example, it has been shown that the gas pressure …

When a hollow core fiber is drawn, the core and cladding holes within the internal cane
geometry are pressurized with an inert gas to enable precise control over the internal …

We have observed unexpected spectral attenuation of ultraviolet light in freshly drawn
hollow core optical fibers. When the fiber ends are left open to atmosphere, this loss feature …