In standard communication the pigeon always carries the message; the information is linked to a physical entity/particle. Counter to intuition, in a new counterfactual communication protocol published in NPJ Quantum Information, ...
Quantum Physics
Jul 23, 2019
0
431
(PhysOrg.com) -- One of the issues associated with quantum information schemes revolves around the ability to develop quantum memories that allow for the retrieval of information on demand. Overcoming this issue is especially ...
By creating diamond-based nanowire devices, a team at Harvard has taken another step towards making applications based on quantum science and technology possible.
Nanophysics
Feb 14, 2010
6
0
Researchers at the Department of Energy's Oak Ridge National Laboratory have set a new record in the transfer of information via superdense coding, a process by which the properties of particles like photons, protons and ...
General Physics
Feb 1, 2017
0
537
A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in Nature Photonics (published online September ...
Optics & Photonics
Sep 5, 2010
1
0
Quantum-based systems promise faster computing and stronger encryption for computation and communication systems. These systems can be built on fiber networks involving interconnected nodes which consist of qubits and single-photon ...
Optics & Photonics
Nov 2, 2023
0
709
A freak wave at sea is a terrifying sight. Seven stories tall, wildly unpredictable, and incredibly destructive, such waves have been known to emerge from calm waters and swallow ships whole. But rogue waves of light -- rare ...
Optics & Photonics
Mar 5, 2009
2
0
A city once infamous for the smoke-belching foundries that blanketed its buildings and streets with a heavy layer of soot is turning to lightning-fast Internet speeds to try to transform itself into a vibrant tech hub.
Telecom
Dec 27, 2014
0
1
As rapidly increasing demand for bandwidth strains the Internet's capacity, a team of engineers has devised a new fiber optic technology that promises to increase bandwidth dramatically. The new technology could enable Internet ...
Optics & Photonics
Jun 27, 2013
0
0
Traditional ways of producing entanglements, necessary for the development of any 'quantum internet' linking quantum computers, are not very well suited for fiber optic telecoms networks used by today's non-quantum internet. ...
Optics & Photonics
Aug 19, 2020
1
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