Controlling the various degrees‐of‐freedom (DoFs) of structured light at both quantum and
classical levels is of paramount importance in optics. It is a conventional paradigm to treat …

Space-time wave packets (STWPs) constitute a broad class of pulsed optical fields that are
rigidly transported in linear media without diffraction or dispersion, and are therefore …

Vector beams, and in particular vector vortex beams, have found many applications in recent
times, both as classical fields and as quantum states. While much attention has focused on …

Fundamentally contradictory but inescapably joined dual attributes, wave and particle,
remain a conceptually unsettling element at the heart of quantum mechanics. It was a career …

Vector vortex beams (VVBs) have attracted significant attention in both classical and
quantum optics. Liquid crystal (LC), beyond its applications in information display, has …

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We have discovered a new domain of optical coherence, and show that it is the third and last
member of a previously unreported fundamental triad of coherences. These are unified by …

Spin-orbit interactions which couple the spin of a particle with its momentum degrees of
freedom lie at the center of spintronic applications. Of special interest in semiconductor …

Complex vector light modes with a spatial variant polarization distribution have become
topical of late, enabling the development of novel applications in numerous research fields …

In this review we discuss intriguing properties of apparently classical optical fields, that go
beyond purely classical context and allow us to speak about quantum characteristics of such …