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Make light talk to light

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Dr André Xuereb

Technology has made the world a very small place. Using light has transformed communication systems and a web of optical fibres span beneath our streets. This technology is no panacea since light cannot talk to another light beam: currently, ‘translators’ are needed. We want to push forward research into technologies that remove this requirement, addressing both commercial considerations and the underlying mechanisms. Our research is using exotic effects of quantum mechanics to help cut out the middleman and make light talk to light. This would increase speed, make security unbreakable, and improve energy efficiency. Malta’s communication technology would be revolutionised.


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