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

Squeezing Light into Nanoscale Devices

Nanolight travels along the surface of graphene for many tens of microns without scattering

PICs With Lower Bend Loss

New method in writing of three-dimensional optical waveguides with femtosecond laser pulses

Metasurface Converts Colors of Light

Structures of phased array antennas are able to circumvent the phase-matching requirement

Silicon Photonic Chip Detects Gas Leaks

Low-cost, robust spectrometer on a chip could operate for years with almost no maintenance

A Zero-Index Waveguide

Silicon waveguides support phase-free propagation in the telecom regime

Light Source With Liquid Core

Scientists generate supercontinuum light source using liquid core optical fibers