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A team of researchers in Germany and at the University of Michigan have demonstrated how infrared laser pulses can shift electrons between two different states, the classic 1 and 0, in a thin sheet of semiconductor
"Ordinary electronics are in the range of gigahertz, one billion operations per second. This method is a million times faster," said Mackillo Kira, U-M professor of electrical engineering and computer science.
He led the theoretical part of the study, to be published in the journal Nature, collaborating with physicists at the University of Marburg in Germany. The experiment was done at the University of Regensburg in Germany.
[... Quantum computer] qubits are hard to make because quantum states are extremely fragile. The main commercial route, pursued by companies such as Intel, IBM, Microsoft and D-Wave, uses superconducting circuits—loops of wire cooled to extremely cold temperatures (-321°F or less), at which the electrons stop colliding with each other and instead form shared quantum states through a phenomenon known as coherence.
Rather than finding a way to hang onto a quantum state for a long time, the new study demonstrates a way to do the processing before the states fall apart.
"In the long run, we see a realistic chance of introducing quantum information devices that perform operations faster than a single oscillation of a lightwave," said Rupert Huber, professor of physics at the University of Regensburg, who led the experiment. "The material is relatively easy to make, it works in room temperature air, and at just a few atoms thick, it is maximally compact."
(Score: -1, Offtopic) by Anonymous Coward on Monday May 07 2018, @07:27AM
"But how will I implement that feature?" That was the question that currently plagued Chapperson, who worked as a software developer. You see, a particularly troublesome boss had given the developer a hard-to-fulfill task, and he was expected to do so within a short timeframe; such was this man's life. Still, he enjoyed developing software because it often presented him with unique challenges. As the man was thinking about this, he looked downward. "Oh!" Chapperson exclaimed.
He hadn't even realized it. Since it was normal for Chapperson, he must have unconsciously done this. What did this man do? A woman could be seen pinned down under Chapperson; her body was covered in blood and bruises, and she was naked. How had this happened without him realizing it?
Chapperson then recalled that this phenomenon was quite common. Since rape was as natural to men as breathing, of course this sort of thing would happen occasionally. And, naturally, if someone were to tell an entire group of people to stop breathing, they would be looked at as genocidal maniacs. No, telling a man to stop raping was even worse; depriving men of their enjoyment in life was the same as torture. Therefore, anyone who believed such things would be labeled as a feminist, tortured, and then promptly executed. Chapperson became furious just by thinking about the mere concept of a feminist existing. He became furious; he became rough. Broken.
The woman's face was broken. Even though he hadn't meant to, Chapperson had smashed her face to pieces and ended her wretched life in the process. This, too, was as natural as breathing. Chapperson then realized that a small child - probably the child of this woman - was crying in the background. The man smiled, and then took a deep breath. Yes, just like with the woman, Chapperson breathed. There was no longer a crying child, or any child making any sound whatsoever.
A man walked out of a certain house. This man had his index finger pressed up against the bottom of his chin as he walked, showing off his inquisive nature to the world. "Now, then, how shall I implement that feature?" the man muttered to himself, as he walked away...