Improve the safety of quantum computers at an unprecedented level
By using light pulses to accelerate the development of quantum computers, University of Michigan researchers have achieved advances in technology that can halt security threats to individuals and countries.
It is a leap forward, able to better protect information and decipher the encrypted encryption of hackers faster.
The researchers used short synchronous light pulses to produce light physical interactions in quantum dots - particles so small that the addition or loss of electrons would alter their properties. They found that they could control the frequency and phase shifting phenomena (phase shift) in the optical network, a very important system for powering an optically controlled quantum computer, the professor. Steel said.
Optical controlled quantum computers can crack high-level encryption codes in a snap. The fastest computer in desktop computers will need 20 years to accomplish this.
One reason that quantum computers are so fast is because they are multitasking machines, which means they can do a lot of things at the same time.
' Quantum computers are capable of performing extremely large parallel calculations ,' said Professor Steel. ' That's why these machines are so fast ,'
And the technology that researchers use to source them in this study is quite cheap.
' We are really excited about our findings because it shows that we can achieve these results by using quantum dots and optically cheap telecommunications technology that can be readily available. used to control quantum computers , 'said Professor Steel. ' Quantum dots replace transistors in these computers, and our results show that it only takes a few billionths of a watt to control it .'
University of Michigan researchers are using quantum dot systems to pave the way for many quantum-level applications, such as optical modulators or quantum logic devices.
This discovery of quantum dot spectroscopy is an important step in the process of building a quantum computer for the future.
Spectroscopy is a study of the interaction between light and matter.
Thanh Van
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