Light is traditionally described by properties such as wavelength, amplitude, phase and polarization. Advances in optics have ...

Nonlinear optical crystals are a class of materials that exhibit unique properties when interacting with light. Unlike conventional optical materials, which respond linearly to the electric field of ...

Nanostructured device efficiently transforms light into different frequencies – including those at technologically important ...

A recent study has unveiled a transformative nonlinear optical metasurface technology. This new technology, characterized by structures smaller than the wavelength of light, paves the way for ...

Topology imprinting allows nonlinear metasurfaces to transfer structured light into new wavelengths, opening routes to ...

Nonlinear optics in tapered fibre waveguides exploits the interplay between intense light fields and the confined geometry of submicrometre-diameter fibres. Tapers, drawn from standard optical fibres ...

Nonlinear optics describes the regime in which the response of a material to an applied electromagnetic field depends nonlinearly on the field amplitude. Whereas in linear optics the induced ...

In the 1960s, physicists showed how light could interact with itself in intriguing ways thanks to a process known as second-harmonic generation. In the right kind of material, two photons of a certain ...

Modern photonic chips can pack sophisticated optical functions onto devices smaller than a fingernail. They are increasingly ...

Today’s optical devices are thus limited by the inherent properties of conventional crystals, making it difficult to build ...

CC0 Usage Conditions ApplyClick for more information. Charles Adams), Durham University, "Non-linear Optics Using Rydberg Dark States", a talk given by Charles Adams (Durham University) at the ...

Recent advances in modern optics have expanded the classical description of light beyond electromagnetic waves, giving rise to structured light fields with additional spatial and topological ...