Breakthrough for Quantum Computing

A very important milestone for the coming quantum computer revolution has been reached.


If someone were interested in doing quantum teleportation, the machinery required would fill up space of several square meters — something like those giant old computers we can see in our history textbooks.  Last week, a milestone has been reached:  the optical core circuits now fit onto a single silicon chip, just a little longer than a 10 Yen coin thanks to researchers in the U.K. and Japan.  Those who work in the field are now excited to be able to have these nano-fabricated units instead of the cumbersome machinery which takes months to set-up.


This giant computer is about 60 years old, and about as big as quantum computing machinery today.


By ‘quantum teleportation‘ we aren’t talking about zapping people and objects around, (just yet, I hope) but rather beaming qubits (quantum bits) between photons.  Qubits are sensitive quantum information similar to the 0’s and 1’s (bits) of today’s computer world.  Photons, which are particles of light are the most promising way we have to implement a good system for qubits.  So, it is very important to have machinery which allows quantum teleporttion to move the qubits around, making quantum computing possible.

Quantum computing isn’t going to take over right away, as the whole transmission system doesn’t yet fit on a chip.  Putting the whole thing into a single chip is the next step, but this is a tantamount milestone.  We edge closer to reasonably-sized quantum cryptography devices with super secure instantaneous communications, which is heralded to be the first taste of true quantum computers.  We are on the brink of the new information order, exciting, isn’t it?


Part of the machinery that the chip is going to replace.


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