Electronics

Using ultrafast bursts of low-intensity pulses, researchers are able to add new functionalities inside semiconductor chips. (Image: Andong Wang)

Ultrafast lasers increase functionality of semiconductor chips

The method could exploit the sub-wafer surface space of chips to achieve higher integration densities and deliver extra functionality

Photonic crystals are responsible for the iridescent colours of a butterfly's wings.

Thinner crystals, smaller chips

Researchers have devised a new way of generating thin 3D photonic crystals that show promise for miniaturising photonic integrated circuits

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