Optical frequency combs were developed nearly two decades ago to support the world's
most precise atomic clocks. Acting as precision optical synthesizers, frequency combs …

Bound states in the continuum (BICs) are waves that remain localized even though they
coexist with a continuous spectrum of radiating waves that can carry energy away. Their very …

Nonlinear optical fibres have been employed for a vast number of applications, including
optical frequency conversion, ultrafast laser and optical communication,,–. In current …

We describe the history, guiding mechanism, recent advances, applications, and future
prospects for hollow-core negative curvature fibers. We first review one-dimensional slab …

The integration of photonic crystal fibre (PCF) with various functional materials has greatly
expanded the application regimes of optical fibre,,,,,,,,,,–. The emergence of graphene (Gr) …

Optical waveguide segments based on geometrically unbound photonic crystal fiber (PCF)
designs could be exploited as building blocks to realize miniaturized complex devices that …

We review the use of hollow-core photonic crystal fibers (PCFs) in the field of ultrafast gas-
based nonlinear optics, including recent experiments, numerical modeling, and a discussion …

Silica-based photonic crystal fibre has proven highly successful for supercontinuum
generation, with smooth and flat spectral power densities. However, fused silica glass …

Numerical simulations of the onset phase of continuous wave supercontinuum generation
from modulation instability show that the structure of the field as it develops can be …

Group IV photonics hold great potential for nonlinear applications in the near-and mid-
infrared (IR) wavelength ranges, exhibiting strong nonlinearities in bulk materials, high index …