News tagged with quantum circuit

Physicists build highly efficient 'no-waste' laser

A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that ...

Physics / General Physics

created Feb 08, 2012 | popularity 4.9 / 5 (22) | comments 5 | with audio podcast

JQI cool nano loudspeakers could makes for better MRIs, quantum computers

(PhysOrg.com) -- A team of physicists from the Joint Quantum Institute (JQI), the Neils Bohr Institute in Copenhagen, Denmark, and Harvard University has developed a theory describing how to both detect weak ...

Physics / Quantum Physics

created Jan 25, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Researchers develop one of the world's smallest electronic circuits

A team of scientists, led by Guillaume Gervais from McGill's Physics Department and Mike Lilly from Sandia National Laboratories, has engineered one of the world's smallest electronic circuits. It is formed ...

Nanotechnology / Nanophysics

created Dec 07, 2011 | popularity 4 / 5 (4) | comments 6 | 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

Quantum computer components 'coalesce' to 'converse'

(PhysOrg.com) -- If quantum computers are ever to be realized, they likely will be made of different types of parts that will need to share information with one another, just like the memory and logic circuits ...

Physics / Quantum Physics

created Oct 26, 2011 | popularity 4.7 / 5 (6) | comments 2 | with audio podcast

Playing ping-pong with single electrons: Research provides important technique for transferring quantum information

Scientists at Cambridge University have shown an amazing degree of control over the most fundamental aspect of an electronic circuit, how electrons move from one place to another.

Physics / Quantum Physics

created Sep 21, 2011 | popularity 4.7 / 5 (3) | comments 2 | with audio podcast

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

Physicists demonstrate the quantum von Neumann architecture

A new paradigm in quantum information processing has been demonstrated by physicists at UC Santa Barbara. Their results are published in this week's issue of Science Express online.

Physics / Quantum Physics

created Sep 01, 2011 | popularity 4.4 / 5 (18) | comments 8 | 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

Mechanical micro-drum cooled to quantum ground state

Showcasing new tools for widespread development of quantum circuits made of mechanical parts, scientists from the National Institute of Standards and Technology have demonstrated a flexible, broadly usable ...

Physics / Quantum Physics

created Jul 06, 2011 | popularity 4.5 / 5 (6) | comments 0 | with audio podcast

All-optical quantum computation, step 1: A controlled-NOT photonic gate

(PhysOrg.com) -- The often counterintuitive quantum world of superposition, entanglement, and tunneling can greatly enhance applications as diverse as communication, information processing, and precision measurement. ...

Physics / Quantum Physics

created Jun 24, 2011 | popularity 4 / 5 (6) | comments 0 | with audio podcast feature

New generation of optical integrated devices for future quantum computers

A research group led by scientists from the University of Bristol has demonstrated the quantum operation of new components that will enable compact circuits for future photonic quantum computers.

Physics / Quantum Physics

created Mar 01, 2011 | popularity 4.7 / 5 (11) | comments 0 | with audio podcast

Scientists say it's high 'NOON' for microwave photons

An important milestone toward the realization of a large-scale quantum computer, and further demonstration of a new level of the quantum control of light, were accomplished by a team of scientists at UC Santa ...

Physics / Quantum Physics

created Feb 15, 2011 | popularity 4.9 / 5 (19) | comments 20 | with audio podcast

NIST ships first programmable AC/DC 10-volt standard

Extending its 26-year tradition of innovative quantum voltage standards, researchers at the National Institute of Standards and Technology (NIST) have begun shipping a new 10-volt standard to users around ...

Technology / Engineering

created Oct 27, 2010 | popularity not rated yet | comments 0

Quantum computing research edges toward practicality in UCSB physics lab

(PhysOrg.com) -- An important step -- one that is essential to the ultimate construction of a quantum computer -- was taken for the first time by physicists at UC Santa Barbara. The discovery is published in the current issue ...

Physics / Quantum Physics

created Oct 05, 2010 | popularity 4.1 / 5 (13) | comments 3 | with audio podcast