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Computer engineer patents quantum computing device

Date:
February 28, 2014
Source:
Missouri University of Science and Technology
Summary:
While widespread quantum computing may still be 15 years away, a computer engineering has patented a quantum processor capable of parallel computing that uses no transistors.

While widespread quantum computing may still be 15 years away, a computer engineering professor at Missouri University of Science and Technology has patented a quantum processor capable of parallel computing that uses no transistors.

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Dr. C.H. Wu, professor of electrical and computer engineering at Missouri S&T, patented the device and will speak about the research behind the patent at the American Physical Society March Meeting 2014 in Denver on Monday, March 3. His research will also be published in an upcoming issue of the journal Cellular Automata. Wu's work on the subject was also published in a 2011 issue of the Journal of Applied Physics.

Wu believes his device could replace current electronic computing systems, but it could also provide quantum computing capabilities.

Traditional computers use a series of transistors as a type of "logic gate" to perform computing tasks. The transistors perform a logical operation on one or more logical inputs to produce a single logical output. Wu's quantum processor replaces 24 transistors, using symbolic substitution rules instead of logic gates.

"This is a great departure in computing," Wu says. "People believe that as transistors get smaller and smaller, one day they will stop working. Quantum computing based on what I have developed is a viable alternative and I believe it is the only one of its kind available."

Wu believes that if you wire several of his patented devices together correctly, it will form a cellular automaton capable of performing computation without the use of transistors required in current computing systems. This will allow for much smaller processor chips and great increases in processing speed.

A cellular automaton is a series of colored cells on a grid that evolve through a set of steps based on the properties of each neighboring cell. Wu says his processor is rule-based and can distinguish left and right in spatial relations on such grids -- something logic gates, which are based on truth tables, cannot.

"Cellular automata architecture has been proposed as the most promising parallel computing scheme for the last six decades," Wu says. "Unfortunately, most scientists have been looking at the wrong size of cell needed for computing."

Wu says it is commonly believed that cellular automata must be long strings of single cells, but he says that current prototypes are unstable. Wu's device uses two data bits per cell. When wired together properly, it is stable in simulation.

"Even if some scientists had looked for cellular automata with the correct two-bit-per-cell size, the search for the correct set of rules for computing is like finding a needle in a haystack because there are more than a billion possible sets of rules and only one of them works for computing," Wu says.

Wu's patent is available for licensing through the Missouri S&T Center for Technology Transfer and Economic Development. For more information on licensing, contact Eric Anderson, senior licensing and business development specialist.


Story Source:

The above story is based on materials provided by Missouri University of Science and Technology. The original article was written by Mary Helen Stoltz. Note: Materials may be edited for content and length.


Cite This Page:

Missouri University of Science and Technology. "Computer engineer patents quantum computing device." ScienceDaily. ScienceDaily, 28 February 2014. <www.sciencedaily.com/releases/2014/02/140228155802.htm>.
Missouri University of Science and Technology. (2014, February 28). Computer engineer patents quantum computing device. ScienceDaily. Retrieved March 2, 2015 from www.sciencedaily.com/releases/2014/02/140228155802.htm
Missouri University of Science and Technology. "Computer engineer patents quantum computing device." ScienceDaily. www.sciencedaily.com/releases/2014/02/140228155802.htm (accessed March 2, 2015).

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