Geometric phase is a unifying and central concept in physics, including optics. As a matter of
fact, optics played a pivotal role from the inception of this new paradigm, as some of the first …

The connection between laser‐based material processing and additive manufacturing is
quite deeply rooted. In fact, the spark that started the field of additive manufacturing is the …

Since their first introduction in 2006, q-plates have found a constantly increasing number of
uses in diverse contexts, ranging from fundamental research on complex structured light …

Laser processing implies the generation of a material function defined by the shape and the
size of the induced structures, being a collective effect of topography, morphology, and …

Polarization singularities, describing the points where the state of polarization is
indeterminate, reveal the polarization topology in vectorial optical fields, which include two …

It is well known that the entanglement of a quantum state is invariant under local unitary
transformations. This rule dictates, for example, that the entanglement of internal degrees of …

Ultrafast Bessel beams demonstrate a significant capacity of structuring transparent
materials with a high degree of accuracy and exceptional aspect ratio. The ability to localize …

Nowadays, the well-known cylindrical vector beams (CVBs)–the axially symmetric beam
solution to the full-vector electromagnetic wave equation–are widely used for advanced …

Subwavelength structures (meta-atoms) with artificially engineered permittivity and
permeability have shown promising applications for guiding and controlling the flow of …

Three-dimensional transformations of light fields were investigated, including such
characteristics as intensity distribution and polarisation state, in the focal region at tight …