An important goal of modern condensed-matter physics involves the search for states of
matter with emergent properties and desirable functionalities. Although the tools for material …

Abstract 2D monolayers supporting a wide variety of highly confined plasmons, phonon
polaritons, and exciton polaritons can be vertically stacked in van der Waals …

Optical cavities confine light on a small region in space, which can result in a strong
coupling of light with materials inside the cavity. This gives rise to new states where quantum …

This Perspective provides a brief introduction into the theoretical complexity of polaritonic
chemistry, which emerges from the hybrid nature of strongly coupled light–matter states. To …

In van der Waals (vdW) materials, strong coupling between different degrees of freedom can
hybridize elementary excitations into bound states with mixed character,–. Correctly …

Negatively charged boron vacancies (VB–) in hexagonal boron nitride (hBN) exhibit a broad
emission spectrum due to strong electron–phonon coupling and Jahn–Teller mixing of …

Optomechanical systems provide a pathway for the bidirectional optical-to-microwave
interconversion in (quantum) networks. These systems can be implemented using hybrid …

Semiconductor microresonators embedding quantum wells can host tightly confined and
mutually interacting excitonic, optical, and mechanical modes at once. We theoretically …

Harnessing the enhanced light-matter coupling and quantum vacuum fluctuations resulting
from mode volume compression in optical cavities is a promising route towards …

When light and matter interact strongly, the coupled system inherits properties from both
constituents. It is consequently possible to alter the properties of either by engineering the …