Triplet states have been widely studied in phosphorescent molecules, lanthanide complexes
and triplet–triplet annihilation systems, in which they have a critical role in energy transfer …

Super-resolution imaging has rapidly emerged as an optical microscopy technique, offering
advantages of high optical resolution over the past two decades; achieving improved …

Optical technologies enable real-time, noninvasive analysis of complex systems but are
limited to discrete regions of the optical spectrum. While wavelengths in the short-wave …

Lanthanide (Ln3+)-doped photon avalanche (PA) upconversion nanoparticles (UCNPs)
have great prospects in many advanced technologies; however, realizing efficient PA …

Quantum information processing—which relies on spin defects or single-photon emission—
has shown quantum advantage in proof-of-principle experiments including microscopic …

Energy-intensive technologies and high-precision research require energy-efficient
techniques and materials. Lens-based optical microscopy technology is useful for low …

Mechanical force is an essential feature for many physical and biological processes,,,,,–,
and remote measurement of mechanical signals with high sensitivity and spatial resolution …

Photon avalanche (PA)—where the absorption of a single photon initiates a 'chain
reaction'of additional absorption and energy transfer events within a material—is a highly …

Photon avalanching nanoparticles (ANPs) exhibit extremely nonlinear upconverted
emission valuable for subdiffraction imaging, nanoscale sensing, and optical computing …

Smart control of ionic interaction dynamics offers new possibilities for tuning and editing
luminescence properties of lanthanide‐based materials. However, it remains a daunting …