The GW approximation in electronic structure theory has become a widespread tool for
predicting electronic excitations in chemical compounds and materials. In the realm of …

The quest for realizing novel fundamental physical effects and practical applications in
ambient conditions has led to tremendous interest in microcavity exciton polaritons working …

The triplet pair is the key functional unit in triplet–triplet annihilation photon upconversion.
The same molecular properties that stabilize the triplet pair also allow dimers to form on the …

Optical activity, also called circular birefringence, is known for two hundred years, but its
applications for topological photonics remain unexplored. Unlike the Faraday effect, the …

The photophysics of organic semiconductor (OSC) thin films or crystals has garnered
significant attention in recent years since a comprehensive theoretical understanding of the …

Pentacene is one of the most studied organic materials and in particular its optical properties
have been the subject of intense research during the last two decades. In spite of such a …

Highly photoluminescent organic crystals are the cornerstone of organic optoelectronics and
photonics. Here we report on rational design of new organic crystal based on 2-amino-4 …

The development of advanced experimental and theoretical methods for the characterization
of excitations in materials enables revisiting established concepts that are sometimes …

The GW method and the Bethe–Salpeter equation (BSE) have exhibited excellent
performance in computing charged and neutral electronic excitations in materials of various …

The ability to control the spin‐orbit interaction (SOI) of light in optical microresonators is of
fundamental importance for future photonics. Organic microcrystals, due to their giant optical …