The Lightest Mirror in the World

As few as 100 atoms can reflect light when they act as a collective quantum system

Antennas for Angstrom Displacement Sensing

Surface plasmon polaritons help to measure lateral displacements down to angstrom level

Comb on a Chip

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

Nanomaterial Gives Robots Chameleon Skin

New features include unusual color changes and high touch sensitivity

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

Towards Ultra-High-Resolution Displays

New approach uses a switching mechanism of plasmonic pixels based on magnesium

Nanoslits for Valleytronics

2D material can emit light with valley-dependent circular polarization