Optical Chip Enables New Approach to Quantum Computing
University of Bristol News (09/16/10) Aliya Mughal
An international research team led by University of Bristol scientists has developed a silicon chip for quantum computing that could be used to perform complex calculations. "We believe, using our new technique, a quantum computer could, in less than 10 years, be performing calculations that are outside the capabilities of conventional computers," says Bristol professor Jeremy O'Brien. The technique uses two identical particles of light moving along a network of circuits in the silicon chip to perform an experiment called a quantum walk. "Using a two-photon system, we can perform calculations that are exponentially more complex than before," O'Brien says. The researchers say that a quantum computer based on a multi-photon quantum walk could be used to simulate complex processes such as superconductivity and photosynthesis. "Our technique could improve our understanding of such important processes and help, for example, in the development of more efficient solar cells," O'Brien says. Other applications could include the development of ultra-fast and efficient search engines, designing high-tech materials, and new pharmaceuticals.
Thursday, September 16, 2010
Blog: Optical Chip Enables New Approach to Quantum Computing
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