Quantum metrology provides a route to overcome practical limits in sensing devices. It holds
particular relevance to biology, where sensitivity and resolution constraints restrict …

Probing the nature of nanocrystalline materials such as the surface state, crystal structure,
morphology, composition, optical and magnetic characteristics is a crucial step in …

Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

Rayleigh's criterion for resolving two incoherent point sources has been the most influential
measure of optical imaging resolution for over a century. In the context of statistical image …

The principles of quantum optics have yielded a plethora of ideas to surpass the classical
limitations of sensitivity and resolution in optical microscopy. While some ideas have been …

We report the synthesis of luminescent crystals based on hexagonal-phase NaYF4
upconversion microrods. The synthetic procedure involves an epitaxial end-on growth of …

Quantum metrology can achieve enhanced sensitivity for estimating unknown parameters
beyond the standard quantum limit. Recently, multiple-phase estimation exploiting quantum …

We determine the ultimate potential of quantum imaging for boosting the resolution of a far-
field, diffraction-limited, linear imaging device within the paraxial approximation. First, we …

The optical microscope is one of the oldest scientific instruments that is still used in forefront
research. Ernst Abbe's nineteenth century formulation of the resolution limit in microscopy let …

Quantum-enhanced sensing and metrology pave the way for promising routes to fulfil the
present day fundamental and technological demands for integrated chips which surpass the …