News tagged with quantum technologies

'Metamaterials,' quantum dots show promise for new technologies

(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Efficient and tunable interface for quantum networks

(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Quantum computing: The light at the end of the tunnel may be a single photon

Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...

Physics / Quantum Physics

created May 18, 2012 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

Towards hybrid quantum systems

EU-funded scientists made advances in the development of a hybrid quantum system (HQS) by combining different quantum technologies.

Physics / Quantum Physics

created May 16, 2012 | popularity 3.5 / 5 (2) | comments 1

Quantum dots brighten the future of lighting

(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...

Nanotechnology / Nanomaterials

created May 08, 2012 | popularity 4.8 / 5 (8) | comments 2 | with audio podcast

Two stopped light pulses interact with each other

(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...

Physics / General Physics

created May 08, 2012 | popularity 4.1 / 5 (16) | comments 8 | with audio podcast feature

Researchers demonstrate new way to control nonvolatile magnetic memory devices

(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.

Physics / General Physics

created May 07, 2012 | popularity not rated yet | comments 1 | with audio podcast

Simplicity and quantum complexity

Simulations of reality would require less memory on a quantum computer than on a classical computer, new research from scientists at the University of Bristol, published in Nature Communications, has shown.

Physics / Quantum Physics

created May 04, 2012 | popularity 4.5 / 5 (8) | comments 11 | with audio podcast

How quantum physics could make 'The Matrix' more efficient

Researchers have discovered a new way in which computers based on quantum physics could beat the performance of classical computers. The work, by researchers based in Singapore and the UK, implies that a Matrix-like ...

Physics / Quantum Physics

created Mar 29, 2012 | popularity 4.9 / 5 (9) | comments 2

More energy efficient transistors through quantum tunneling

(PhysOrg.com) -- Researchers at the University of Notre Dame and Pennsylvania State University have announced breakthroughs in the development of tunneling field effect transistors (TFETs), a semiconductor ...

Nanotechnology / Nanophysics

created Mar 26, 2012 | popularity 4.6 / 5 (7) | comments 3 | with audio podcast

Highest honors for quantum computer pioneer

Experimental physicist Rainer Blatt from the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck, Austria, will receive the Stern-Gerlach Medal of the German Physical Society. The medal ...

Physics / Quantum Physics

created Mar 23, 2012 | popularity 5 / 5 (6) | comments 0

Dance like a neutrino: Quantum scheme to simulate neutrino oscillations

The behaviour of some of the most elusive particles in the known universe can be simulated using three atoms in a lab, researchers at the Centre for Quantum Technologies (CQT) at the National University of Singapore have ...

Physics / Quantum Physics

created Mar 21, 2012 | popularity 4.8 / 5 (6) | comments 1

Twists to quantum technique for secret messaging give unanticipated power

Quantum cryptography is the ultimate secret message service. Now new research, presented at the 2012 AAAS Annual Meeting, shows it can counter even the ultimate paranoid scenario: when the equipment or even the operator is ...

Physics / Quantum Physics

created Feb 19, 2012 | popularity 4.5 / 5 (11) | comments 0 | with audio podcast

Fast photon control brings quantum photonic technologies closer

(PhysOrg.com) -- Using photons instead of electrons to transmit information could lead to faster and more secure ways to communicate, among other advantages. Now a team of physicists has taken another step toward realizing ...

Physics / Optics & Photonics

created Feb 13, 2012 | popularity 5 / 5 (9) | comments 2 | with audio podcast feature

Proposed experiment offers new way to generate macroscopic entanglement

(PhysOrg.com) -- In the development of quantum information processing, one of the key requirements is achieving quantum entanglement. But recently, physicists have been investigating other forms of quantum correlations besides ...

Physics / Quantum Physics

created Jan 05, 2012 | popularity 4.9 / 5 (20) | comments 2 | with audio podcast report