Manipulating photonic entangled states on a chip, artist's impression (Credit: Will Amery, University of Bristol)
Cartoon schematic of the chip used by the team (Credit: Jonathan Matthews, Alberto Politi)
Achieving quantum computing is not just a sheer matter of improving computational speed: it is a radically different paradigm that has attracted physicists and engineers for decades with its potential to solve problems across a number of domains — from database searches to prime number factorization and artificial intelligence. Now in a major breakthrough, a research team from the University of Bristol has achieved highly precise control of up to four photons on a silicon chip for the very first time.
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