In the last three decades, cryogenic single-molecule fluorescence spectroscopy has
provided average-free understanding of the photophysics and of fundamental interactions at …

We perform laser spectroscopy at liquid helium temperatures (T= 2 K) to investigate single
dibenzoterrylene (DBT) molecules doped in anthracene crystals of nanoscopic height …

In the realm of fundamental quantum science and technologies, non‐classical states of light,
such as single‐photon Fock states, are widely studied. However, current standards and …

Organic fluorophores are excellent single photon sources, combining high brightness,
lifetime-limited linewidths and useful emission wavelengths. A key factor in their …

Single fluorescent molecules embedded in the bulk of host crystals have proven to be
sensitive probes of the dynamics in their nano environment, thanks to their narrow (about 30 …

Fluorescence spectra of single terrylene molecules adsorbed on hexagonal boron nitride
flakes were recorded at cryogenic temperatures. The pure electronic transitions of terrylene …

Entangled states of photons form the backbone of many quantum technologies. Due to the
lack of effective photon-photon interactions, the generation of these states is typically …

Single organic molecules embedded in solid-state matrices exhibit remarkable optical
properties, making them competitive candidates for single-photon sources and quantum …

The generation and manipulation of non-classical light states is central to emerging
quantum technologies. Color centers in insulating crystals have been extensively studied for …

A sample fabrication approach based on organic molecular beam deposition creating a new
molecule-based emitter structure and its optical analysis is presented. The polycyclic …