A light-based computer may be more sophisticat than current electrical chip architectures.

With less power by a computer that communicates and manipulates data using light rather than electricity. A light-based computer may be more sophisticate than current electrical chip architectures.

 A new type of computer that uses light instead of electricity could be able to do calculations more quickly while using less energy and room. These little components perform the most basic functions, such as comparing two sets of data. By combining these gates in large numbers, tasks like downloading a file, watching a movie, or playing a video.

 At Aalto University in Finland, Yi Zhang and his colleagues have created optical logic gates that use light instead of electrons to perform the same functions as traditional circuits.

Despite the development of optical computers in the past, their application is limit, and their hardware is complex. 

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Calculations may be speedier as a result because photons move without resistance, flow through a circuit more quickly than electrons do, and use less energy as a result.

 The researchers demonstrated functional optical gates that mimic the traditional gates known as XNOR, NOR, AND, XOR, OR, and NAND, which each carry out a different operation on data. Additionally, the researchers showed that identical operations may be carry out on data in parallel as oppose to in series, which paves the way for a large boost in calculation speed and effectiveness.

In the future, Zhang continues, “we expect to see all-optical computers produced.” The main advantage of optical chips over traditional circuits is their blazingly fast speed. 

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 In the optical computer, the logic gates are made from crystalline materials that are sensitive to the direction of spin of these polarized light beams. Using optical filters and other components, these gates  built to recreate traditional gates.

A light wave that seems to revolve either clockwise or counter clockwise around its axis. Zhang predicts that future research will examine the potential applications of optical logic gates in the construction of optical quantum logic gates or hybrid classical and quantum computers. This is because one well-known field of quantum computing research already uses photons to transmit data.