New Products and Inventions

Laser Light Switch Could Replace Transistors

(1)Jul-07-09

An optical transistor that uses one laser beam to control another could form the heart of a future generation of ultrafast light-based computers.

A green laser beam is used to control the power of an orange laser beam passing through the device - This offers another possible route to light-based rather than electronic, computing. Such "photonic" computing is desirable because components using optical fibres carrying light could be much faster than those using wires to carry electricity.

[NEWSCIENTIST.COM]

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