DNA for Optically Active Superlattices

The change in DNA length provides extreme tunability of optical properties

New Glass Shows Switchable Opacity

Nanoscale structures enable smart glass that switches from hazy to clear in presence of water

Optical Microstructures Using Lithium Niobate

An ultralow loss monolithic integrated lithium niobate photonic platform consisting of subwavelength waveguides

Facet Reflectors for On-Chip Lasers

An alternative fabrication scheme for microscale semiconductor lasers beyond conventional silicon

Quantum Dots Emit Extremely Bright Light

Lowest exciton in caesium lead halide perovskites involves a highly emissive triplet state

New Approach to Generate Lasers

Particles with negative mass in a semiconductor interact with confined light in a microcavity

Miniature Super-Iridescent Optics

Nature’s smallest rainbows, created by peacock spiders, may inspire new optical technology

Less Losses in Nanophotonic Devices

Hexagonal boron nitride for very small lasers and nanoscale optics

Light Passing Through a 2D-Waveguide Array

A 2D-experimental system allows to study materials that were theorized to exist only in 4D-space

Single Metalens Focuses White Light

Ground-breaking lens opens new possibilities in virtual and augmented reality