News tagged with quantum channel
Time travel experiment demonstrates how to avoid the grandfather paradox (Update)
(PhysOrg.com) -- Among the many intriguing concepts in Einstein’s relativity theories is the idea of closed timelike curves (CTCs), which are paths in spacetime that return to their starting points. As ...
Mar 01, 2011 |
4.6 / 5 (38) |
91
|
Quantum communication through synergy
(PhysOrg.com) -- When most people think of quantum communication, they think in terms of private communication channels - the ability to send messages without a third-party deciphering them. Indeed, quantum cryptography represents ...
Jan 19, 2009 |
4.4 / 5 (12) |
0
Search results for quantum channel
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 ...
May 23, 2012 |
5 / 5 (5) |
0
|
Ultra-sensitive electrical biosensor unlocks potential for instant diagnostic devices
A new quantum mechanical-based biosensor designed by a team at University of California, Santa Barbara offers tremendous potential for detecting biomolecules at ultra-low concentrations, from instant point-of-care ...
Apr 17, 2012 |
4.6 / 5 (5) |
0
|
Trade-off coding for quantum communication provides more benefits than previously thought
(Phys.org) -- In optical communication systems, the overall performance depends on the strategy used to transmit photons from one location to another. In previous attempts to optimize this performance, scientists ...
Apr 16, 2012 |
4.4 / 5 (9) |
0
|
Researchers discover new quantum encryption method to foil hackers
A research team led by University of Toronto Professor Hoi-Kwong Lo has found a new quantum encryption method to foil even the most sophisticated hackers. The discovery is outlined in the latest issue of Physical Review Le ...
Apr 02, 2012 |
4.8 / 5 (10) |
0
|
Some scum! Microbe in pond scum enlisted in new cancer test
Scientists are enlisting the living, self-propelled microbes found in pond scum -- the pea-green surface slicks that form on ponds -- in the development of a long-awaited new test to detect the cells that spread cancer through ...
Mar 25, 2012 |
1 / 5 (1) |
0
|
How the alphabet of data processing is growing: Research team generates flying 'qubits'
The alphabet of data processing could include more elements than the "0" and "1" in future. An international research team has achieved a new kind of bit with single electrons, called quantum bits, or qubits. ...
Mar 21, 2012 |
4.8 / 5 (13) |
0
|
Two molecules communicate via single photons
Scientists realize one of the most elementary and oldest "gedanken" experiments in modern physics, namely, excitation of a single molecule with a single photon. This paves the way for further investigations ...
Feb 28, 2012 |
5 / 5 (12) |
0
|
Scientists image the charge distribution within a single molecule for the first time
(PhysOrg.com) -- IBM scientists were able to measure for the first time how charge is distributed within a single molecule. This achievement will enable fundamental scientific insights into single-molecule ...
Feb 27, 2012 |
4.8 / 5 (15) |
1
|
Keeping it together: Protecting entanglement from decoherence and sudden death
(PhysOrg.com) -- Decoherence can be metaphorically seen as a quantum fall from grace: When quantum bits, or qubits, are in superposition – such as a single qubit simultaneously having both 1 and 0 values ...
Feb 27, 2012 |
4 / 5 (11) |
3
|
Record-speed wireless data bridge demonstrated: Takes high-speed communications the 'last mile'
A team of researchers in Germany has created a new way to overcome many of the issues associated with bringing high-speed digital communications across challenging terrain and into remote areas, commonly referred to as the ...
Feb 27, 2012 |
5 / 5 (3) |
1
List of search results for quantum channel
