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Major step forward in quantum computing taken with optical chip

by Mark Tyson on 14 August 2015, 11:06


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Researchers from the University of Bristol in the UK and Nippon Telegraph and Telephone (NTT) in Japan have developed an optical chip that "can process photons in an infinite number of ways". Thanks to this capability it is a possible contender to replace the general purpose computer microprocessors we use today in our PCs. Due to the possibilities opened up by quantum computing, such chips could complete tasks and solve problems that are beyond the scope of application of today's most powerful supercomputers.

The quantum optics lab-on-a-chip

A University of Bristol press release says that its fully reprogrammable chip brings together previous quantum experiments and will be able to "realise a plethora of future protocols that have not even been conceived yet". The chip design will facilitate quick and easy testing of quantum science theories and quantum computing experiments.

Project leader Dr Anthony Laing explained "A whole field of research has essentially been put onto a single optical chip that is easily controlled. The implications of the work go beyond the huge resource savings. Now anybody can run their own experiments with photons, much like they operate any other piece of software on a computer. They no longer need to convince a physicist to devote many months of their life to painstakingly build and conduct a new experiment." This ability was demonstrated by the research team as reportedly they "carried out a year's worth of experiments in a matter of hours".

University of Bristol research team

The University of Bristol 'Quantum in the Cloud' initiative seeks to make its quantum processor publicly accessible and it plans to expand its offerings with more chips. This availability should accelerate developments in the field of quantum science and computing. The chips are said to represent a "major step forward in creating a quantum computer to solve problems such as designing new drugs, superfast database searches, and performing otherwise intractable mathematics".

HEXUS Forums :: 6 Comments

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Awesome! Would love to see more articles about new research in quantum computing/computer science
cracking quantum computing will be on par with the invention of electricity, it will propel our race through the ages. That is if the Americans don't get it first, otherwise we are likely doomed to a world war.
But can it play Crysis?
But can it play Crysis?

As I understand it, no. According to what I've read, quantum computers have the ability to process a lot of operations at the same time, but they are not that fast with each individual operation. They are like a CPU with hundreds or thousands of slow cores.

That means that, to make good use of them, they'll need to write all the software for them from scratch, and the new software will have to be quite different from much of the code we already have.