Home Invention Nanoscale 'Abacus' uses Pulses of Light Instead of Wooden Beads to Perform...

Nanoscale ‘Abacus’ uses Pulses of Light Instead of Wooden Beads to Perform Calculations

Calculating with light using a chip-scale all-optical abacus.

The mission to grow ever-quicker and all the more capable PCs has prompted a standout among the most simple strategies for checking being given a 21st-century make-over. And that was the abacus, a tool used for precise and faster calculations.

There are many different types of abaci in the world because of the many different cultures. A new additional type now has been invented by the University of Exeter.

Scientists have developed a nanoscale optical ‘abacus’ which uses light signals to perform arithmetic computations. It works by counting pulses of light. What’s more, it can do this using picosecond (one-thousandth of a billionth of a second) light pulses.

Scientists suggest it could make ready to new, more intense PCs that join registering and capacity works in a single component.

Lead author of the study, Professor Wolfram Pernice said, “In the article, we describe for the first time the realization of an abacus which operates in a purely optical way.”

“Rather than wooden beads as found on traditional abacuses, our innovative device calculates with pulses of light – and simultaneously stores the result.”

Another fascinating thing, this optical abacus is so small that essentially invisible to the naked eye. During experiments, researchers have succeeded in calculating with two-digit numbers using two photonic phase-change cells.

Co-author Prof. Harish Bhaskaran from the University of Oxford said, “Computing with light – and not with electrons, as is the case with traditional computers, means that we can develop much faster systems which can be connected using integrated optical waveguides.”

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