News tagged with quantum devices

Nanotube-based terahertz polarizer nears perfection

(PhysOrg.com) -- Researchers at Rice University are using carbon nanotubes as the critical component of a robust terahertz polarizer that could accelerate the development of new security and communication ...

Nanotechnology / Nanophysics

created Jan 30, 2012 | popularity 4.7 / 5 (10) | comments 1 | with audio podcast

Quantum mechanics enables perfectly secure cloud computing

Researchers have succeeded in combining the power of quantum computing with the security of quantum cryptography and have shown that perfectly secure cloud computing can be achieved using the principles of ...

Physics / Quantum Physics

created Jan 19, 2012 | popularity 4.2 / 5 (15) | comments 13 | with audio podcast

A new spin in diamonds for quantum technologies

(PhysOrg.com) -- To explore the future potential of diamonds in quantum devices, researchers from Macquarie University have collaborated with the University of Stuttgart and University of Ulm in Germany towards ...

Nanotechnology / Nanophysics

created Dec 20, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Quantum tunneling results in record transistor performance

(PhysOrg.com) -- Controlling power consumption in mobile devices and large scale data centers is a pressing concern for the computer chip industry. Researchers from Penn State and epitaxial wafer maker IQE ...

Technology / Semiconductors

created Dec 12, 2011 | popularity 5 / 5 (7) | comments 4 | with audio podcast

First proof of single atomic layer material with zero electrical resistance

A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.

Physics / Superconductivity

created Nov 24, 2011 | popularity 5 / 5 (7) | comments 8

Artificial molecules: Researchers explore novel methods for assembly of quantum dots

(PhysOrg.com) -- Matthew Doty, assistant professor in the University of Delaware Department of Materials Science and Engineering, is co-author of two papers exploring novel methods for assembling quantum dots ...

Nanotechnology / Nanophysics

created Nov 23, 2011 | popularity 5 / 5 (2) | comments 5 | with audio podcast

New generation of superlattice cameras add more 'color' to night vision

Recent breakthroughs have enabled scientists from the Northwestern University's Center for Quantum Devices to build cameras that can see more than one optical waveband or "color" in the dark. The semiconducting material used ...

Physics / Optics & Photonics

created Oct 20, 2011 | popularity 4.9 / 5 (12) | comments 1 | with audio podcast

A new technique for understanding quantum effects in water

It covers over two thirds of our planet, is essential for life on Earth and its chemical formula is one of the few most people can name, but we still have much to learn about the structure of H2O. Now, scientists ...

Physics / Condensed Matter

created Oct 03, 2011 | popularity 5 / 5 (4) | comments 2

Post-silicon computing

Could Pittsburgh be the nation's next "Strontium Valley"? The University of Pittsburgh is the lead institution on a $1.8 million grant from the National Science Foundation and the Nanoelectronics Research Initiative (NRI) ...

Technology / Engineering

created Sep 19, 2011 | popularity 5 / 5 (1) | comments 0

New scientific research reveals diamonds aren't forever

(PhysOrg.com) -- In a paper published in the US journal Optical Materials Express this week, Macquarie University researchers show that even the earth's hardest naturally occurring material, the diamond, is not ...

Physics / Condensed Matter

created Jul 18, 2011 | popularity 4.3 / 5 (10) | comments 13 | with audio podcast

Narrowest bridges of gold are also the strongest, study finds

At an atomic scale, the tiniest bridge of gold -- that made of a single atom -- is actually the strongest, according to new research by engineers at the University at Buffalo's Laboratory for Quantum Devices.

Nanotechnology / Nanophysics

created Jul 13, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Lightwave electronics at sharp metal tips

(PhysOrg.com) -- Scientists at the Max Planck Institute of Quantum Optics control for the first time the emission of electrons from metal tips with femtosecond lasers alone.

Physics / Quantum Physics

created Jul 07, 2011 | popularity 4 / 5 (4) | comments 3 | with audio podcast

Researchers create light from 'almost nothing'

(PhysOrg.com) -- A group of physicists working out of Chalmers University of Technology in Gothenburg, Sweden, have succeeded in proving what was until now, just theory; and that is, that visible photons could ...

Physics / Quantum Physics

created Jun 06, 2011 | popularity 4.9 / 5 (40) | comments 59 | with audio podcast report

Researchers weight safety of quantum cryptology

Scientists in Belgium and Spain have proved for the first time that new systems of quantum cryptology are much safer than current security systems. The study was published in the journal Nature Communications.

Physics / Quantum Physics

created Mar 31, 2011 | popularity 5 / 5 (1) | comments 1

Using quantum methods to read classical memories offers surprising advantages

(PhysOrg.com) -- Currently, the data stored in classical digital memories such as CDs, DVDs, and barcodes is read by classical light. But as a new study shows, using quantum light to read these classical memories ...

Physics / Quantum Physics

created Mar 14, 2011 | popularity 4.8 / 5 (30) | comments 5 | with audio podcast feature