News tagged with entangled photon
Two crystals linked by quantum physics
Physicists take a perverse pleasure in playing with the strangeness of the quantum world. That's how they have managed to entangle minuscule objects such as photons. After specific manipulations, they persuade two photons ...
Mar 05, 2012 |
4.8 / 5 (12) |
4
|
$8.5 million research initiative will study best approaches for quantum memories
The U.S. Air Force Office of Scientific Research (AFOSR) has awarded $8.5 million to a consortium of seven U.S. universities that will work together to determine the best approach for generating quantum memories ...
Feb 15, 2012 |
5 / 5 (3) |
2
Quantum cats are hard to see
Are there parallel universes? And how will we know? This is one of many fascinations people hold about quantum physics. Researchers from the universities of Calgary and Waterloo in Canada and the University ...
Dec 16, 2011 |
4 / 5 (17) |
319
|
Vibration rocks for entangled diamonds
(PhysOrg.com) -- Diamonds are celebrated for their enduring beauty and hardness but they can also be a physicist’s best friend.
Dec 16, 2011 |
5 / 5 (11) |
18
|
Multi-purpose photonic chip paves the way to programmable quantum processors
The fundamental resource that drives a quantum computer is entanglement—the connection between two distant particles which Einstein famously called 'spooky action at a distance'. The Bristol researchers ...
Dec 11, 2011 |
4.7 / 5 (24) |
14
|
Elimination of detrimental cross-talks in single-photon detectors pushes quantum optics to new limits
Light and electric current can both be used for computing, albeit with key differences. Whereas conventional computers do logic through the movement of electrons, newer and faster computers called quantum ...
Oct 28, 2011 |
4.3 / 5 (3) |
0
Transporting spatially entangled photons through an optical fiber
(PhysOrg.com) -- "Spatially entangled photons is a hot topic in quantum information science, and optical fibers are the cornerstone of our communication society," Wolfgang Loffler tells PhysOrg.com. "So fa ...
Jun 30, 2011 |
3.9 / 5 (8) |
1
|
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. ...
Jun 24, 2011 |
4 / 5 (6) |
0
|
Chinese team entangles eight photons, breaking record
In a game of one-upmanship, a Chinese team of physicists has figured out how to entangle eight photons simultaneously and to observe them in action; the previous record was six. In a paper published in arXiv, the team from t ...
Jun 03, 2011 |
5 / 5 (8) |
33
|
Apparent roadblock in the development of quantum lithography
(PhysOrg.com) -- Just when it began to appear that scientists had found a viable way around the problem of the blurring that occurs when using masks to create smaller and smaller silicon wafers for computer ...
May 20, 2011 |
4.2 / 5 (5) |
5
|
Researchers convert quantum signals to telecom wavelengths, increase memory times
Using optically dense, ultra-cold clouds of rubidium atoms, researchers have made advances in three key elements needed for quantum information systems - including a technique for converting photons carrying ...
Sep 26, 2010 |
4.3 / 5 (10) |
2
|
Scientists provide a new angle on quantum cryptography
An ultra-secure form of coded communication could be given a boost, thanks to scientists from the Universities of Glasgow, Strathclyde and Rochester.
Aug 06, 2010 |
4 / 5 (11) |
5
|
A new ultrabright source of entangled photon pairs
At the very heart of applications such as quantum cryptography, computation and teleportation lies a fascinating phenomenon known as "entanglement". Two photons are entangled if the properties of one depend ...
Jul 09, 2010 |
4.4 / 5 (15) |
0
Physicists investigate the role of quantum entanglement in the magnetic compasses of animals
(PhysOrg.com) -- Many animals possess some kind of magnetic sense, allowing them to navigate by using a magnetic field. The ability to detect a magnetic field, called magnetoreception, has been observed in ...
Jun 21, 2010 |
4.4 / 5 (27) |
18
|
Using degrees of freedom to get hyperentanglement
(PhysOrg.com) -- One of the biggest challenges scientists are grappling with today is the creation of an efficient quantum computer. There are a number of models out there, and hundreds of scientists and researchers around ...
Jan 27, 2010 |
4.6 / 5 (19) |
2
|
