Thinnest Optical Waveguide

With only three layers of atoms the new device is a proof of concept for scaling down to sizes that are orders of magnitude smaller than today’s devices

Photonic Chip with Three Components

New device combines quantum dots as single-photon sources, a beamsplitter and two single-photon detectors

Small Waveguides for Wearable Displays

New flexible devices could serve also as implantable sensors or building blocks for photonic printed circuit boards

Waveguides Widen Light Beams

A highly efficient converter enlarges the diameter of a light beam by 400 times

Inkjet Printers Produce Cheap Waveguides

A micro-waveguide core is printed with titanium dioxide nanoparticles for a high refractive index

The World’s Smallest Optical Gyroscope

Prototype is 500 times smaller than the current state-of-the-art device

Optical Filter on a Chip

Filters with cutoffs around 1550 and 2100 nm are fabricated on a silicon-on-insulator platform

Trapping Light with Metamaterials

A new protective metamaterial cladding prevents light from leaking out of curvy pathways

New Type of Silicon Laser

Unconventional approach uses a combination of light and sound waves to amplify light

Capturing Light in a Waveguide Array

Topological crystalline structures confine light to improve lasers and solar cells