Plug-and-Play Lens for Microscopy

New device makes it easy to access high-quality images from deep inside tissue

An Ultrathin Flat Lens with a Broad Bandwidth

A fishnet-achromatic-metalens captures 70% of incoming light in frequencies ranging from 640 nanometers to 1200 nanometers

Comb on a Chip

New design for optical ruler could revolutionize clocks, telescopes and telecommunications

Turbulences in Frequency Combs

New type of a laser frequency comb could be used for optical spectroscopy and sensing

A Pause Button for Light

A hollow-core photonic bandgap fiber filled with laser-cooled atoms might serve as single photon source

Superlens Squeezes Light into Nanospace

Plasmon nanojet: an efficient mechanism for subwavelength focusing of plasmons

New Approach for Multi-Watt Terahertz Lasers

Highest radiative efficiency for any single-wavelength semiconductor quantum cascade laser

Smallest Cavity for Light

A new type of cavity for graphene plasmons by integrating metallic cubes of nanometer sizes over a graphene sheet

Metasurfaces for Ultrathin Camera Lenses

A new device can focus light just like a normal camera lens, but it is thousands of times thinner and can be flexible

Metasurface Opens World of Polarization

New device may have far-reaching applications in polarization imaging and quantum optics