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Quantum Computers News
April 1, 2020

Top Headlines
 

Researchers have made a breakthrough in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second ... read more

What a Pair! Coupled Quantum Dots May Offer a New Way to Store Quantum Information

Researchers have for the first time created and imaged a novel pair of quantum dots -- tiny islands of confined electric charge that act like ... read more

Heat Energy Leaps Through Empty Space, Thanks to Quantum Weirdness

A surprising new study shows that heat energy can leap across a few hundred nanometers of a complete vacuum, thanks to a quantum mechanical phenomenon called the Casimir interaction. Though this ... read more

Toward More Efficient Computing, With Magnetic Waves

Researchers have devised a novel circuit design that enables precise control of computing with magnetic waves -- with no electricity needed. The advance takes a step toward practical magnetic-based ... read more
Latest Headlines
updated 12:22pm EDT

Earlier Headlines
 

Perturbation-Free Studies of Single Molecules

Researchers of the University of Basel have developed a new method with which individual isolated molecules can be studied precisely -- without destroying the molecule or even influencing its quantum ... read more

A Filter for Cleaner Qubits

Researchers show theoretically how coupling an additional filter qubit to the control line of a quantum computer can greatly increase the lifetime of the information stored in it. This work can help ... read more

A Talented 2D Material Gets a New Gig

Scientists have designed a tunable graphene device for experiments in exotic physics, where superconducting, insulating, and magnetic properties can be observed in a single system. The technology ... read more

Using Molecules to Draw on Quantum Materials

Over millennia, civilizations progressed through the Stone, Bronze, and Iron Ages. Now the time has come for quantum materials to change the way we live, researchers ... read more

How a New Quantum Approach Can Develop Faster Algorithms to Deduce Complex Networks

Complex networks are ubiquitous in the real world, from artificial to purely natural ones, and they exhibit very similar geometric properties. Algorithms based on quantum mechanics perform well on ... read more

Atomic Vacancy as Quantum Bit

Physicists have experimentally observed spin centers in two-dimensional materials. Such centers can act as quantum bits -- even at room ... read more

KITE Code Could Power New Quantum Developments

A research collaboration has created open-source software to assist in the creation of quantum materials which could in turn vastly increase the world's computing ... read more

Measuring Electron Spin Qubit Without Demolishing It

Scientists have succeeded in taking repeated measurements of the spin of an electron in a silicon quantum dot (QD), without changing the spin in the process. This type of 'non-demolition' ... read more

Ultrafast Probing Reveals Intricate Dynamics of Quantum Coherence

Ultrafast, multidimensional spectroscopy unlocks macroscopic-scale effects of quantum electronic correlations. Researchers found that low-energy and high energy states are correlated in a layered, ... read more

Quantum Researchers Able to Split One Photon Into Three

Researchers report the first occurrence of directly splitting one photon into three. The occurrence, the first of its kind, used the spontaneous parametric down-conversion method (SPDC) in quantum ... read more

Scientists 'Film' a Quantum Measurement

Measuring a quantum system causes it to change -- one of the strange but fundamental aspects of quantum mechanics. Researchers have now been able to demonstrate how this change ... read more

Defects Add Color to Quantum Systems

Researchers are investigating light-emitting defects in materials that may someday form the basis of quantum-based technologies, such as quantum computers, quantum networks or engines that run on ... read more

10,000 Times Faster Calculations of Many-Body Quantum Dynamics Possible

How an electron behaves in an atom, or how it moves in a solid, can be predicted precisely with the equations of quantum mechanics. These theoretical calculations agree with the results from ... read more

Topological Materials Outperform Through Quantum Periodic Motion

Scientists have discovered that applying vibrational motion in a periodic manner may be the key to preventing dissipations of the desired electron states that would make advanced quantum computing ... read more

Artificial Atoms Create Stable Qubits for Quantum Computing

Quantum computing researchers have made improved qubits by exploiting concepts from high school ... read more

Supercomputers Help Link Quantum Entanglement to Cold Coffee

Theoretical physicists have found a deep link between one of the most striking features of quantum mechanics -- quantum entanglement -- and thermalization, which is the process in which something ... read more

Quantum Physics: On the Way to Quantum Networks

Physicists have successfully demonstrated the transport of an entangled state between an atom and a photon via an optic fiber over a distance of up to 20 km -- thus setting a new ... read more

Quantum Experiments Explore Power of Light for Communications, Computing

Quantum researchers have conducted a series of experiments to gain a better understanding of quantum mechanics and pursue advances in quantum networking and quantum computing, which could lead to ... read more

Ghostly Particles Detected in Condensates of Light and Matter

Discover 'ghostly' particles and quantum depletion. A new study makes the first observation of 'ghost particles' from Bose-Einstein condensates via 'quantum depletion': ... read more

How Sensitive Can a Quantum Detector Be?

Measuring the energy of quantum states requires detecting energy changes so exceptionally small they are hard to pick out from background fluctuations, like using only a thermometer to try and work ... read more

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