Topological photonics provides a novel route for designing and realizing optical devices
with unprecedented functionalities. Topological edge states, which are supported at the …

Micro‐and nanolasers are emerging optoelectronic components with many properties still to
be explored and understood. On the one hand, they make it possible to address …

Topological lasers are immune to imperfections and disorder. They have been recently
demonstrated based on many kinds of robust edge states, which are mostly at the …

Topological edge states exist at the interfaces between two topologically distinct materials.
The presence and number of such modes are deterministically predicted from the bulk band …

Recent progress in nanofabrication has led to tremendous technological developments for
devices that rely on the interaction of light with nanostructured matter. Nanophotonics has …

Photonic crystal cavities enable strong light–matter interactions, with numerous applications,
such as ultra-small and energy-efficient semiconductor lasers, enhanced nonlinearities and …

Rate equations for micro-and nanocavity lasers are formulated which take account of the
finite number of emitters, Purcell effects as well as stochastic effects of spontaneous …

Photonic crystal (PhC) nanocavities with high quality (Q) factors have attracted much
attention because of their strong spatial and temporal light confinement capability. The …

Nanolasers based on emerging dielectric cavities with deep sub‐wavelength confinement of
light offer a large light‐matter coupling rate and near‐unity spontaneous emission factor, β β …

Nanolasers operate with a minimal amount of active material and low losses. In this regime,
single layers of transition-metal dichalcogenides (TMDs) are being investigated as next …