In this Review, the theory and applications of optical micro‐and nano‐resonators are
presented from the underlying concept of their natural resonances, the so‐called quasi …

The scattering of electromagnetic waves lies at the heart of most experimental techniques
over nearly the entire electromagnetic spectrum, ranging from radio waves to optics and x …

Metasurfaces based on resonant subwavelength photonic structures enable novel methods
of wavefront control and light focusing, underpinning a new generation of flat-optics devices …

The specificity of modal-expansion formalisms is their capabilities to model the physical
properties in the natural resonance-state basis of the system in question, leading to a …

Modern nanophotonics has witnessed the rise of “electric anapoles”(EDAs), destructive
interferences of electric and toroidal electric dipoles, actively exploited to resonantly …

We present a biorthogonal approach for modeling the response of localized electromagnetic
resonators using quasinormal modes, which represent the natural, dissipative eigenmodes …

The scattering of electromagnetic waves by resonant systems is determined by the excitation
of the quasinormal modes (QNMs), ie the eigenmodes, of the system. This Review …

We consider Bloch bound states in the radiation continuum in periodic arrays of dielectric
spheres. It is demonstrated that the bound states are associated with phase singularities of …

Wave absorption in time-invariant, passive thin films is fundamentally limited by a trade-off
between bandwidth and overall thickness. In this work, we investigate the use of temporal …

Microcavities and nanoresonators have the ability to strongly enhance many light–matter-
interaction processes used in various applications in nano-optics. This enhancement is due …