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 …

Abstract Mid‐infrared (mid‐IR) ultrafast lasers are widely employed in biomedicine,
molecular spectroscopy, material processing, and nonlinear optics. With the improvement of …

Photonic crystal fibers (PCFs) have received tremendous interest in recent years for many
biomedical applications due to their unique light-guiding properties. PCF based …

A carbon monoxide (CO) sensing system based on hollow‐core antiresonant fiber (HC‐
ARF) is developed using tunable diode laser absorption spectroscopy (TDLAS) technology …

Photonic technologies offer numerous functionalities that can be used to realize
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …

Fibre lasers operating at the mid-IR have attracted enormous interest due to the plethora of
applications in defence, security, medicine, and so on. However, no continuous-wave (CW) …

Topological phases of matter have remained an active area of research in the last few
decades. Periodic driving is a powerful tool for enriching such exotic phases, leading to …

Antiresonant, hollow-core optical fibers are currently challenging or even exceeding the loss
performance of conventional solid-core fibers. Despite this progress, there are aspects of the …

Optical fiber sensors based on surface plasmon resonance (SPR) have been widely studied
for their low cost, anti-electromagnetic interference, and remote sensing. To our best …

High-power fiber lasers have experienced a dramatic development over the last decade.
Further increasing the output power needs an upscaling of the fiber mode area, while …