First noiseless single photon amplifier
Research physicists have demonstrated the first device capable of amplifying the information in a single particle of light without adding noise.
Nov 12, 2012
5 / 5 (5)
2
| 
Nov 12, 2012
5 / 5 (5)
2
|
A 'Sisyphus' method for cooling trapped molecules
(Phys.org)—The investigation of ultracold molecules is of great interest for a number of problems. It could lead to a better understanding of chemical reactions in astrophysics. Ensembles of ultracold molecules ...
Nov 14, 2012
5 / 5 (5)
0
|
Quantum information processing: A step closer
Researchers from Yale, Surrey, and Paris have made an important breakthrough towards 'quantum information processing', which promises to lead to massive information technology advances in the future.
Mar 15, 2013
4.2 / 5 (6)
2
Making quantum encryption practical
One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD), in which the counterintuitive behavior of quantum particles guarantees that no one can eavesdrop on ...
May 21, 2013
5 / 5 (5)
6
|
Turning down the noise in quantum data storage
Researchers who hope to create quantum computers are currently investigating various methods to store data. Nitrogen atoms embedded in diamond show promise for encoding quantum bits (qubits), but the process ...
Jan 19, 2010
4.8 / 5 (5)
0
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
|
The age of quantum information
Today’s computers, which are based on classical mechanics, process information coded in long streams of 1s and 0s.
Sep 15, 2011
4 / 5 (6)
7
A new scheme for photonic quantum computing
The concepts of quantum technology promise to achieve more powerful information processing than is possible with even the best possible classical computers. To actually build efficient quantum computers remains ...
Oct 13, 2011
4.8 / 5 (5)
2
Disentangling information from photons
Theoretical physicist Filippo Miatto and colleagues from the University of Strathclyde, Glasgow, UK, have found a new method of reliably assessing the information contained in photon pairs used for applications in cryptography ...
Jul 12, 2012
4.8 / 5 (5)
3
|
Bus service for qubits: Spin-orbit qubits are right at home in electrical circuits
Qubit-based computing exploiting spooky quantum effects like entanglement and superposition will speed up factoring and searching calculations far above what can be done with mere zero-or-one bits. To domesticate ...
Oct 17, 2012
4.8 / 5 (5)
3
|
New search method tracks down influential ideas
(PhysOrg.com) -- Princeton computer scientists have developed a new way of tracing the origins and spread of ideas, a technique that could make it easier to gauge the influence of notable scholarly papers, ...
Oct 20, 2010
4.6 / 5 (5)
0
|
An optical diode made with silicon technology can be used for quantum information
(PhysOrg.com) -- Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of transistors ...
Mar 23, 2012
4.6 / 5 (5)
1
|
Optical circuit enables new approach to quantum technologies
Professor Jeremy O'Brien, Director of the University of Bristol's Centre for Quantum Photonics, and his Japanese colleagues have demonstrated a quantum logic gate acting on four particles of light -- photons. The researchers ...
Jun 24, 2011
4.2 / 5 (5)
0
|
Hark! Group demonstrates first heralded single photon source made from silicon
(Phys.org) -- In an important step towards more practical quantum information processing, researchers from the National Institute of Standards and Technology (NIST), the University of California, San Diego; ...
Jun 28, 2012
4.2 / 5 (5)
0
|
Physicists use mechanical micro-drum used as quantum memory
JILA researchers demonstrated thatinformation encoded as a specific point in atraveling microwave signal—the vertical and horizontal positions of a wave pattern at a certain ime—can be transferred to ...
Mar 13, 2013
3.5 / 5 (6)
0
|
