Quantum Computing Breakthrough: New Method Simplies Construction Of Quantum Computers

Posted: Dec 5 2016, 10:28am CST | by , in News | Latest Science News

 

Quantum Computing Breakthrough: New Method Simplies Construction of Quantum Computers
A trapped-ion quantum computer would consist of an array of X-junctions with quantum bits formed by individual ions that are trapped above the surface of the quantum chip (shown in grey). Credit: University of Sussex
  • Scientists invent ground-breaking new method that puts quantum computers within reach
 

It is being said that simplicity in the making of quantum computers is for real. A trapped-ion quantum computer would consist of an array of X-junctions with quantum bits formed by individual ions that are trapped above the surface of the quantum chip (shown in grey). Individual quantum bits are manipulated simply by tuning voltages as easy as tuning a radio to different stations. Applying voltage V1 results in no quantum operation (blue zones), applying voltage V2 results in a quantum operation on a single quantum bit (green zones), applying voltage V3 results in a quantum operation 'entangling' two quantum bits (red zones). An arbitrary large quantum computer can be constructed based on this simple-to engineer approach.

Scientists have discovered a radically simple method of making practical quantum computers. The current state of technology is enough to build such computers.

These supercomputers can solve problems that would normally take the quickest of computers millions of years to calculate. That they can do so within seconds speaks volumes about their desirability.

These computers can not only manufacture novel materials and medical drugs but provide solutions to intractable scientific and economic problems. 

While such quantum computers could indeed be built, there lie a few hitches along the way. For one thing, the technological barriers are one too many.

The level of engineering expertise required to reach such a degree of competence is almost the same as is required for a crew to go on a trip to Mars. On a micro-level, such quantum computing has taken place though. It essentially employs ions which have been harnessed.

Laser beams are also utilized in the process. A large scale quantum computer would require billions of quantum bits though. That would also mean billions of lasers which is once again unfeasible and impractical.  

Instead of going into these complexities, researchers have employed a simpler method. Voltages are applied to a quantum microchip without the alignment of laser beams.

The overall procedure had a very low margin of error. This is alone quite a game changer in this quantum computing equation. Just to contemplate all this occurring in reality is a marvel and a source of fascination.

The amount of benefits to humanity will be large indeed. This methodology uses simplicity in its approach and also gets the job done fair and square. It is worth further exploration in the future.

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