News tagged with data transmission

T-ray madness: Scientists score wireless data record

(Phys.org) -- Wednesday headlines trumpeted how "Japanese researchers smash Wi-Fi records" and "Scientists show off the future of Wi-Fi." The excitement is for good reason. A team of scientists have broken ...

Technology / Telecom

created May 16, 2012 | popularity 5 / 5 (15) | comments 9 | with audio podcast weblog

Researchers boost efficiency of multi-hop wireless networks

Multi-hop wireless networks can provide data access for large and unconventional spaces, but they have long faced significant limits on the amount of data they can transmit. Now researchers from North Carolina State University ...

Technology / Telecom

created Apr 19, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

NTT develops current-injection photonic-crystal laser

Nippon Telegraph and Telephone Corporation has developed an current-injection photonic-crystal laser with ultralow power consumption that can be applied to off-chip and on-chip optical data transmission for ...

Physics / Optics & Photonics

created Feb 14, 2012 | popularity 5 / 5 (2) | comments 0

New error-correcting codes guarantee the fastest possible rate of data transmission

Error-correcting codes are one of the triumphs of the digital age. They’re a way of encoding information so that it can be transmitted across a communication channel — such as an optical fiber o ...

Technology / Computer Sciences

created Feb 10, 2012 | popularity 4.8 / 5 (12) | comments 9 | with audio podcast

New report outlines key features of next-generation public safety communications

Creation of a next-generation public safety communications network requires leadership from a single non-profit organization devoted to this purpose, according to a report released today by a federal advisory committee. Such ...

Technology / Telecom

created Feb 01, 2012 | popularity not rated yet | comments 0

Bouncing signals off ceiling can rev up data centers

(PhysOrg.com) -- Researchers have a startlingly upbeat idea for data center managers coping with packed rooms, Internet traffic bursts, and high costs looming in having to reconfigure data center designs. ...

Technology / Telecom

created Dec 21, 2011 | popularity 5 / 5 (5) | comments 14 | with audio podcast report

How long do electrons live in graphene?

Together with international colleagues, scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have added another important component towards understanding the material graphene; a material that is ...

Nanotechnology / Nanophysics

created Dec 12, 2011 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Japan collab transmits record data speeds on terahertz waves

(PhysOrg.com) -- Researchers from Japan-based semiconductor manufacturer Rohm, together with a team from Osaka University, have come up with a chip that, in experiments, has achieved a wireless data transmission ...

Technology / Telecom

created Nov 25, 2011 | popularity 4.7 / 5 (24) | comments 20 | with audio podcast weblog

Using nanophotonics to reshape on-chip computer data transmission

A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and able ...

Physics / Optics & Photonics

created Nov 15, 2011 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

Engineering professor works to make data transmission secure

(PhysOrg.com) -- Dirk Englund is developing technology that tackles one of the most pressing problems of the Information Age— keeping information secure.

Technology / Engineering

created Nov 14, 2011 | popularity not rated yet | comments 0

Using photons to manage data

Managing light to carry computer data, such as text, audio and video, is possible today with laser light beams that are guided along a fibre-optic cable. These waves consist of countless billions of photons, ...

Physics / Optics & Photonics

created Nov 02, 2011 | popularity 3.7 / 5 (7) | comments 0

Spin lasers in the fast lane: New concept for ultrafast lasers developed

Electrical engineers in Bochum, Germany, have succeeded in developing a new concept for ultrafast semiconductor lasers. The researchers make clever use of the intrinsic angular momentum of electrons, called spin, to successfully ...

Physics / General Physics

created Oct 28, 2011 | popularity 5 / 5 (5) | comments 0

The rate of data transmission over plastic optical fibers can be increased by controlling modal dispersion

Plastic optical fibers offer a more efficient method of data transmission in telecommunications. While glass optical fibers allow very high data rates to be transmitted, they are expensive and difficult to ...

Technology / Engineering

created Oct 28, 2011 | popularity 5 / 5 (2) | comments 0

New hybrid technology could bring 'quantum information systems'

(PhysOrg.com) -- The merging of two technologies under development - plasmonics and nanophotonics - is promising the emergence of new "quantum information systems" far more powerful than today's computers.

Physics / Optics & Photonics

created Oct 27, 2011 | popularity 3 / 5 (4) | comments 1 | with audio podcast

Researchers show that gold doping increases nickel catalyst activity for carbon nanostructure formation

(PhysOrg.com) -- Researchers from the CNST and Arizona State University have demonstrated that the overall catalytic activity of nickel particles for the formation of carbon nanostructures is improved by the addition of a ...

Nanotechnology / Nanomaterials

created Oct 13, 2011 | popularity not rated yet | comments 0