tag: Qubits

Quantum Computing Becoming Real
By Ed Sperling - 21 Jun, 2018 - Comments: 4

Quantum computing will begin rolling out in increasingly useful ways over the next few years, setting the stage for what ultimately could lead to a shakeup in high-performance computing and eventually in the cloud. Quantum computing has long been viewed as some futuristic research project with possible commercial applications. It typically needs to run at temperatures close to absolute zero,... » read more

System Bits: April 3
By Ann Steffora Mutschler - 03 Apr, 2018 - Comments: 0

Investigating the human brain for quantum computation potential While much has been made of quantum computing processes using ultracold atoms and ions, superconducting junctions and defects in diamonds, researchers are questioning if this could be performed in human brains. In fact, UC Santa Barbara theoretical physicist Matthew Fisher has been asking this question for years. And now as scient... » read more

Toward Defining Qubits
By Ed Sperling - 06 Sep, 2017 - Comments: 0

Quantum computing, by many accounts the future of high-performance computing, will be blazing fast, state-dependent, and it will require extremely cold operating temperatures. But beyond some general areas of agreement, comparing progress made by companies or different research groups is confusing. What's missing is a simple nomenclature to define some of the basic technology used in quantum... » read more

System Bits: Aug. 1
By Linda Christensen - 01 Aug, 2017 - Comments: 0

Quantum Computing Takes A Step Forward UCLA physicists have developed a technique for measuring and controlling the energy differences of electron valley states in silicon quantum dots, which they view as a key component of quantum computing. Joshua Schoenfield, a UCLA graduate student and one of the paper's authors, explained that "an individual qubit can exist in a complex wave-like m... » read more

Power/Performance Bits: Feb. 21
By Jesse Allen - 21 Feb, 2017 - Comments: 0

Harvesting energy from multiple sources Researchers from the University of Oulu in Finland found a particular type of perovskite, KBNNO, has the right properties to extract energy from multiple sources simultaneously. While perovskites are particularly known for their use as solar cells, certain minerals in the perovskite family show piezoelectric and pyroelectric (harvesting energy from ... » read more

What’s Next For Transistors
By Mark LaPedus - 23 Jan, 2017 - Comments: 1

The IC industry is moving in several different directions at once. The largest chipmakers continue to march down process nodes with chip scaling, while others are moving towards various advanced packaging schemes. On top of that, post-CMOS devices, neuromorphic chips and quantum computing are all in the works. Semiconductor Engineering sat down to discuss these technologies with Marie Semeri... » read more

System Bits: Dec. 20
By Ann Steffora Mutschler - 20 Dec, 2016 - Comments: 0

Removing quasiparticles from superconducting quantum circuits improves lifetime Given that an important prerequisite for the realization of high-performance quantum computers is that the stored data should remain intact for as long as possible, an international team of scientists at European interdisciplinary research institute Forschungszentrum Jülich has succeeded in making further improvem... » read more

Quantum Computing Breakthrough
By Katherine Derbyshire - 04 Apr, 2016 - Comments: 0

An earlier series of articles on quantum computing discussed the differences between the gate logic model and the quantum annealing model. The gate logic model, like transistor logic, uses a limited number of “gates” to construct a general purpose computer, theoretically capable of solving any problem for which a suitable algorithm can be found. In systems designed around the gate logic mod... » read more

System Bits: March 17
By Ann Steffora Mutschler - 17 Mar, 2015 - Comments: 0

Symmetry in graphene growth According to Rice University researchers, what lies beneath growing islands of graphene is important to its properties. The team analyzed patterns of graphene – a single-atom-thick sheet of carbon – grown in a furnace via chemical vapor deposition and discovered that the geometric relationship between graphene and the substrate, the underlying material on whi... » read more

How To Program A Quantum Computer
By Katherine Derbyshire - 28 Aug, 2014 - Comments: 5

Quantum computers have captured the attention of the computer science world because they are faster than classical computers for some problems. Spend any time reading about quantum computing technology, and you’ll see that statement over and over again. But what does it actually mean, given that classical computing is a mature, highly optimized technology and quantum computers are in their in... » read more

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