Single-molecule fluorescence techniques,, are key for a number of applications, including
DNA sequencing,, molecular and cell biology, and early diagnosis. Unfortunately …

Enhancing the fluorescence of a weak emitter is important to further extend the reach of
single-molecule fluorescence imaging to many unexplored systems. Here we study …

Optical nanoantennas are known to focus freely propagating light and reversely to mediate
the emission of a light source located at the nanoantenna hotspot. These effects were …

Single‐molecule approaches to biology offer a powerful new vision to elucidate the
mechanisms that underpin the functioning of living cells. However, conventional optical …

Neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS), Alzheimer's
disease, Parkinson's disease, and Huntington's disease, are devastating proteinopathies …

Optical nanoantennas have a great potential for enhancing light-matter interactions at the
nanometer scale, yet fabrication accuracy and lack of scalability currently limit ultimate …

Plasmonic antennas offer extremely promising strategies to enhance single molecule
fluorescence sensing and breach the limitations set by diffraction. However, the technical …

Upconversion nanoparticles (UCNPs) have gained increasing attention for their wide
applications in bioimaging, displays and photovoltaics. However, low efficiency has been an …

Over the last decade, two fields have dominated the attention of sub-diffraction photonics
research: plasmonics and fluorescence nanoscopy. Nanoscopy based on single-molecule …

Plasmonic nanocavities are highly desirable for optical sensing because of their singular
ability to confine light into deep subwavelength volumes. Yet, it remains profoundly …