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Home > News > Tags > quantum computers
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Stories about: quantum computers |
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A team of physicists at the US National Institute for Standards and Technology (NIST) announces the development of a new sensor that is capable of measuring the optical power passing through a fiber optics cable with unprecedented levels of accuracy.
The advanced radiometer, whose performances are mostly a direct r... |
21 December 2011
05:00 GMT |
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Quantum computers are seen by many as the next big step towards faster systems of all sorts, but they aren't exactly easy or affordable to build, not yet.
Now, though, a group of Air Force and Florida Atlantic University researchers have finally come up with a way to create them with off-the-shelf components. ... |
21 December 2011
03:43 GMT |
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A group of investigators based at the University of Bristol, in the United Kingdom, announces the development of a new type of optical chip, which can be used to handle entanglement and mixture.
These are two critically-important quantum phenomena that need to be harnessed in order to allow for the construction of ... |
12 December 2011
03:16 GMT |
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Investigators at the Harvard University announce the development of a new type of nanostructures, which they say could be of great potential use for the development of future quantum computers. The team says that a host of other high-tech applications are also possible. The investigation built on previous work, which... |
19 October 2011
03:45 GMT |
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Investigators at the Rice University announce the development of a new method for producing a quantum pin Hall topological insulator, a tiny device that acts as a superhighway for electrons inside electronics. The achievement could lead to the creation of hard-to-obtain quantum-particle pairs.In turn, these construct... |
5 October 2011
06:24 GMT |
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A group of investigators at the University of Cambridge announces the development of a new control technique that allows physicists to monitor and influence the most fundamental aspect of any electronic circuit, which is the way in which individual electrons move through it.
The amazing degree of control the team... |
21 September 2011
13:31 GMT |
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Officials with the University of Michigan announce the opening of the Center for Photonic and Multiscale Nanomaterials, an advanced research facility whose main goal is to improve our understanding of how light can be manipulated.
In order to do that, investigators working at C-PHOM will create new metamaterials,... |
10 September 2011
05:39 GMT |
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Physicists at the Massachusetts Institute of Technology and Harvard University have succeeded in creating a system where photons can be used to control the quantum states of other photons. The advancement eliminates one of the major obstacles on the road to developing quantum computers.
Until now, the most widely-... |
9 September 2011
08:38 GMT |
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For several years, physicists have been trying to harness the power of quantum physics to produce a quantum computer. This device would far exceed the capabilities of normal computers, but building it is proven to be very hard. Researchers now propose using black holes as quantum computers.According to Seth Lloyd, wh... |
8 August 2011
05:42 GMT |
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According to a new theory proposed by an American researcher, it could be that all physical systems in the Universe, and the Cosmos itself, may be nothing more than quantum mechanical computers. Examples of physical systems include individual humans, rivers, a forest, an ecosystem and so on. In other words, just abou... |
20 January 2011
07:00 GMT |
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A team of physicists in the United States managed recently to show that it is possible to apply quantum entanglement to four spatially distinct atomic memories, that store a single quantum state.The researchers also showed that a quantum interface existed between the atomic memories and four beams of light. In other ... |
18 November 2010
03:13 GMT |
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A team of expert led by physicists from the University of Bristol (UB) Center for Quantum Photonics (CQP) announces the development of a new approach to conducting quantum computing.The international collaboration is convinced that the innovation it produced will be used in the near future to create compute... |
17 September 2010
06:59 GMT |
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In a development that could see devices such as quantum computers and quantum cryptography circuits becoming more capable and efficient than eve, researchers developed a new type of optical antenna, that can easily make devices handling small amounts of photons better. The achievement was reached in Barcelona, Spain,... |
24 August 2010
05:29 GMT |
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While most areas of science are still waiting for the development of quantum computers suitable for their needs, chemistry is already beginning to reap the benefits of these devices. For the first time ever, scientists were able to use these impressive machines to study the behavior of atoms and molecules, a feat tha... |
21 July 2010
05:41 GMT |
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It's no secret to anyone that flawless diamonds are the most expensive ones. That naturally happens because they are very rare. A large portion of all extracted diamonds have flaws, while others only small defects. Some time ago, researchers at the University of California in Santa Barbara (UCSB) have determined... |
4 May 2010
09:43 GMT |
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The IBM-built Julich Blue Gene supercomputer, dubbed JUGENE, has recently been rendered capable of conducting simulations of quantum computers. This is a massive breakthrough in the field, since it has been plagued by logistic and technological problems for a long time. Developing a quantum computer has been a long-s... |
31 March 2010
05:16 GMT |
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Researchers at the Harvard University have recently finished developing a new type of diamond-based nanowire devices, which hold great promise for the creation of nanomaterials based on the strong carbon compound. These materials could, in turn, be used in quantum cryptography and computing, as well as imaging method... |
15 February 2010
04:36 GMT |
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A professor at the Princeton University has recently managed to eliminate one of the major hurdles plaguing the field of quantum computing, when he has developed a method of altering the properties of a single electron in a sea of other electrons. The finding is absolutely fundamental to developing the new, heavily i... |
8 February 2010
06:31 GMT |
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The macroscale world is a very well-defined place, with the natural laws of classical physics governing everything. But all that has no relevance at the subatomic, elementary level, where particles appear capable of existing in two places at the same time, and can also spin in different directions concomitantly. Rese... |
2 February 2010
06:25 GMT |
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One of the most promising goals in science today is the creation of a quantum computer, a device that will be several orders of magnitude faster and better than any existing supercomputer. However, the challenges ahead are up to the rewards, and physicists around the world are still struggling with the basics. For in... |
20 January 2010
06:43 GMT |
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In a first-of-its-kind scientific study, researchers managed to calculate the exact energy of molecular hydrogen, using nothing more than a quantum computer. This is one of the earliest pieces of evidence and proofs-of-concept related to the new technology, which is currently being researched around the world, as an ... |
11 January 2010
03:45 GMT |
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Experts at the Helsinki University of Technology, in Finland, the University of New South Wales, in Australia, and the University of Melbourne announce the development of a single-atom transistor. The component works by sequentially channeling a flow of electrons through the same phosphorus atom, the team says. The a... |
7 December 2009
02:17 GMT |
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Building a quantum computer is one of the main efforts currently being made in the fields of information technology, nanotechnology and quantum physics. The reason why so many people want to see the device built is its amazing potential computational power, which could see seemingly unbreakable problems being figured... |
23 November 2009
03:44 GMT |
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Scientists at the US National Institute of Standards and Technology (NIST) announce the development of the first 'universal' programmable quantum information processor, which uses two quantum bits (qubits) of information. According to the team behind the groundbreaking achievement, the processor can be empl... |
17 November 2009
06:53 GMT |
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Scientists at the Delft University of Technology Kavli Institute for Nanosciences, in the Netherlands, have recently managed to gain new control over the environment of quantum particles, which may make it possible to finally construct a working quantum computer. The new finds essentially allow researchers to exercis... |
9 November 2009
16:31 GMT |
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According to a new research conducted by Swedish and Polish experts, photons used for quantum-data transmissions have strength in numbers. They reveal that the elementary particles, which make up quantum bits, or qubits, the basic units of a quantum computer, are much less likely to trigger the scrambling of transmit... |
6 October 2009
05:47 GMT |
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Quantum computers are currently one of the largest objectives for the electronics industry. They will be able to calculate immensely complicated codes faster and more accurately than the current technology can, as they will make use of the quantic principle of superposition. This principle dictates that a quantum bit... |
23 September 2009
10:56 GMT |
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Experts from the University of California in Santa Barbara (UCSB) have recently announced that they managed to create a new type of circuit that behaves in a quantum mechanic manner. They say that the innovative device does not have the regular two levels of energy, but that it boasts a full five of them. Details of ... |
12 August 2009
19:31 GMT |
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Experts have been working hard on overcoming the obstacles that stand in the way of creating a fully functional quantum computer for quite some time now, but one of the main issues in their path was the fact that they could not control the actions of a single qubit (quantum bit – the basic unit of a quantum pro... |
8 July 2009
08:48 GMT |
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Ion traps haven't been a thing of novelty for a very long time, ever since they started being used regularly in atomic clocks, as well as in lines of research related to quantum computing development. Ions, which are essentially electrically charged atoms, move through these so-called traps, and experience all s... |
2 July 2009
18:01 GMT |
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In a research published in the June 25th issue of the scientific journal Nature, experts from the University of Michigan report the development of a new laser technology that allows for a greater magnetic field stability in quantum dots (QD), which are one of the candidates for the main components of quantum bits (QB... |
25 June 2009
15:01 GMT |
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The principle of “quantum ghosts” was first inferred by Albert Einstein, who was so worried about it that he called it “spooky action at a distance.” It refers to the apparent ability that some particles have to interact with each other over very long distances, even though they are not direct... |
28 April 2009
03:48 GMT |
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There is a growing consensus at the international level that quantum computers are the future of complex calculations, but the goal of having such devices that actually work remains distant, on account of the fact that the very basic principles on which quantum technology is based are very unstable. This means that a... |
23 April 2009
05:37 GMT |
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Creating junctions inside future quantum processors is a very important step in their design. Actually, some may argue that this is the most important step, as, without a pathway to carry information from one place to the other inside a processor, all other innovations in the area are useless. However, the main probl... |
9 April 2009
03:21 GMT |
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In an already random quantum world, parasite signals could spell disaster for quantum information systems. Take the example of the quantum computers. Even the slightest noise signal could bring it to a complete halt. However, parasite signals may not be as bad as previously thought, according to Seth Lloyd from the M... |
25 March 2008
07:54 GMT |
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Men around the world can now start celebrating the creation of the world's smallest diamond ring! Now everybody can afford a diamond ring. Too bad it is only 5 millionths of a meter in diameter and bears five-billionths of a carat of diamond, this meaning it can only be viewed through a microscope. The proud inv... |
15 March 2008
04:52 GMT |
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Most of the experiments carried out on quantum computer models revolve around the use of gallium arsenide chips to create quantum dots. However, it seems that such a material is not exactly the ideal one when trying to control the spin of an electron inside a quantum dot. The solution for the problems experienced wit... |
16 January 2008
11:12 GMT |
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