Colloidal nanocrystals (NCs) of lead halide perovskites are considered highly promising
materials that combine the exceptional optoelectronic properties of lead halide perovskites …

Background The tip of an optical fiber has been considered an attractive platform in Biology.
The simple cleaved end of an optical fiber can be machined, patterned and/or …

Over the past five years, new developments in the field of plasmonics have emerged with the
goal of finely tuning a variety of metallic nanostructures to enable a desired function. The …

Solid-state quantum emitters, such as artificially engineered quantum dots or naturally
occurring defects in solids, are being investigated for applications ranging from quantum …

We introduce a point-like scanning single-photon source that operates at room temperature
and offers an exceptional photostability (no blinking, no bleaching). This is obtained by …

Plasmonic nanostructures confine light on the nanoscale, enabling ultra-compact optical
devices that exhibit strong light–matter interactions. Quantum dots are ideal for probing …

Periodic plasmonic nanostructures have been found promising in controlling
photoluminescence directivity and efficiency for a wide variety of applications. Because of …

Diamond nanocrystals containing highly photoluminescent color centers are attractive,
nonclassical, and near-field light sources. For near-field applications, the size of the …

We present a new kind of fluorescent oxide nanoparticle (NP) with properties well suited to
active-tip based near-field optics. These particles with an average diameter in the 5–10 nm …

We demonstrate near-field fluorescence excitation and imaging with a quantum dot (QD)
light emitting diode (QDLED) integrated at the tip of a scanning probe. The tip-embedded …