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Quasars may prove quantum entanglement – or a 12 billion-year-old conspiracy

Michael Irving August 21, 2018

Quantum entanglement is an eerie concept that Einstein himself had trouble accepting, and yet it’s been experimentally demonstrated. To find out whether there are other variables, a new experiment provides the strongest evidence so far of quantum entanglement or a 12-billion year “conspiracy."

Light from distant quasars has been used as a cosmic "coin flip" to help provide the ...

Physics

Entanglement "on demand" sets the stage for quantum internet

Michael Irving June 13, 2018

In a quantum network, information is passed instantly between nodes that have been entangled, and are unhackable since any unauthorized observation of the data will scramble it. Delft scientists have now overcome a hurdle to that technology, by generating quantum links faster than they deteriorate.

Researchers at TU Delft have developed a new technique for generating quantum entanglement links on demand, ...

Quantum Computing

China launches world's first quantum satellite

Colin Jeffrey August 18, 2016

Chinese scientists claim to have launched the world's first quantum communications satellite with which they intend to experiment with quantum communication and teleportation from space, in the hope of one day producing an entire global network of quantum communication systems.

The QUESS satellite being launched on a Long March-2D rocket

Quantum Computing

New chip paves the way for optical quantum technology in laptops and smartphones

Colin Jeffrey March 15, 2016

Incorporating a number of quantum technologies on a single integrated chip, an international team of researchers claim that their work paves the way for quantum computing circuits to be built into a range of everyday devices

Incorporating a number of quantum technologies on a single chip, researchers claim that their work paves ...

Science

Triple entanglement feat adds new twist to quantum cryptography

Colin Jeffrey March 2, 2016

Researchers have managed to entangle three photons and add a 3-D corkscrew motion that effectively allows multiple recipients to simultaneously receive information securely encoded in the one transmission

Scientists have added an extra dimension to the attributes of quantum entangled photons that enables the ...

Physics

Macroscopic quantum entanglement achieved at room temperature

Colin Jeffrey February 2, 2016

Scientists working at the University of Chicago and the Argonne National Laboratory claim to have entangled atomic nuclei at room temperature on a semiconductor chip, using the application of relatively small magnetic fields.

The researchers believe that the advance could lead to entanglement-enhanced magnetic resonance imaging probes

Quantum Computing

Quantum computers inch closer to reality thanks to entangled qubits in silicon

Dario Borghino November 16, 2015

University of New South Wales scientists have for the first time created two entangled qubits in silicon with record fidelity, paving the way for reliable, massively scalable quantum computers.

UNSW scientists have for the first time created two entangled qubits in silicon with record fidelity, ...

Physics

Scientists break distance record for quantum teleportation

Colin Jeffrey September 23, 2015

Researchers working at the National Institute of Standards and Technology (NIST) claim to have teleported the quantum information carried in light particles over 100 km (62 miles) of optical fiber, four times farther than the previous record.

Scientists at NIST have teleported quantum information over a distance of more than 100 km, four ...

Quantum Computing

New dimensions of quantum information added through hyperentanglement

Colin Jeffrey July 1, 2015

Standard quantum encoding attributes just one quantum bit of information to each of an entangled photon pair. Now researchers have increased that data-carrying capacity more than 30 times by using a technique known as hyperentanglement

Using a technique known as hyperentanglement, researchers claim to have increased the quantum-encoded data carrying capacity ...

Physics

First-ever quantum device that detects and corrects its own errors

Colin Jeffrey March 22, 2015

Physicists working at the University of California Santa Barbara (UC Santa Barbara) claim to have created breakthrough circuitry that continuously self-checks for inaccuracies to maintain the error-free status of the quantum memory and may help accelerate the development of quantum computers.

Physicists working at UC Santa Barbara claim to have created breakthrough quantum circuitry that checks and ...