News & Comment

Nonlinearity in fibre Bragg gratings reduces broadening of slow light pulses

Superposition of off-axis holograms drives three-dimensional imaging to subdiffraction limit

Surface plasmons strongly improve performance of mid-infrared photodetectors

Controlling the birth of attosecond light pulses

Fibre lasers offer a new method of secure communication

Coupling a photonic crystal waveguide to a propagating surface plasmon allows biosensors to get smaller and cheaper

The strange world of quantum mechanics gets even stranger with the experimental entanglement of absent photons

Silicon nitride microdisk cavities help boost atom-chip technology

Quantum key distribution with a 10-GHz clock frequency

An electrically driven hybrid silicon/III–V semiconductor laser for use in integrated optical circuits

Optical quantum computers come a step closer to reality

Metamaterial lenses could project an image onto the far-field with a resolution beyond the diffraction limit

Atoms moving in a Laguerre-gaussian beam experience a Doppler effect owing to their azimuthal movement

Optical gain in a dielectric compensates for absorption losses in metallic nanoparticles

Laser-induced ultrasound can detect malignant cancer cells

All-dielectric planar chiral metamaterials can control the polarization of visible light

All-optical modulation can be achieved at terahertz frequencies in a silicon–polymer hybrid device

A new thin-film solar-cell design increases absorption of long-wavelength light

A pair of entangled photons is teleported for the first time

Cardioid annular condenser takes conventional transmission microscopy past the diffraction limit