Single rare-earth ions detected in a nanoparticle that has been coupled to a fiber-microcavity.

New method to measure negative pressure with liquid-filled optical fibers and sound waves.

New device could help to understand neuronal communication better.

A glass crystal just a few atoms thick can trap and carry light.

Waveguiding scheme enables highly confined subnanometer optical fields.

A possible solution against water leakage, which in Italy accounts for one third of the water in the network.

Heraeus to produce telecommunication fibers in Denmark to supply the EMEA market.

New grating devices significantly reduce data transmission errors.