News tagged with gigahertz
Scientists first to trap light and sound vibrations together in nanocrystal
Oct 26, 2009 |
4.7 / 5 (18) |
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(PhysOrg.com) -- Researchers at the California Institute of Technology have created a nanoscale crystal device that, for the first time, allows scientists to confine both light and sound vibrations in the ...
New Wi-Fi Technology Using White Spaces
Aug 20, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- A wireless internet network that uses portions of the old analog TV spectrum may one day become a reality. The plans for a computer network that uses "white spaces," which are empty fragments ...
Intel, Microsoft, Dell band together for WiGig
May 06, 2009 |
2.3 / 5 (3) |
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(AP) -- Wi-Fi, WiMax, WirelessHD, WHDI and now ... WiGig?
Breakthrough for post-4G communications
Mar 05, 2009 |
3 / 5 (1) |
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(PhysOrg.com) -- With much of the mobile world yet to migrate to 3G mobile communications, let alone 4G, European researchers are already working on a new technology able to deliver data wirelessly up to 12.5Gb/s.
Search results for gigahertz
In Brief: Britain looks to expand mobile broadband
May 24, 2006 |
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Britain's Office of Communication proposed to increase broadband wireless services by opening two more bandwidths for licensed use.
UCSB physicists move one step closer to quantum computing
Nov 20, 2009 |
5 / 5 (6) |
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Physicists at UC Santa Barbara have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum computing. The work is published ...
Scientists break light modulation speed record -- twice
Jun 15, 2009 |
4.6 / 5 (9) |
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Researchers have constructed a light-emitting transistor that has set a new record with a signal-processing modulation speed of 4.3 gigahertz, breaking the previous record of 1.7 gigahertz held by a light-emitting diode.
World's fastest transistor approaches goal of terahertz device
Dec 11, 2006 |
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Scientists at the University of Illinois at Urbana-Champaign have again broken their own speed record for the world’s fastest transistor. With a frequency of 845 gigahertz, their latest device is approximately ...
Transistor laser functions as non-linear electronic switch, processor
Physics /
Feb 06, 2006 |
4.4 / 5 (27) |
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The transistor laser invented by scientists at the University of Illinois at Urbana-Champaign has now been found to possess fundamental non-linear characteristics that are new to a transistor and permit its ...
Making quantum cryptography practical
Apr 30, 2009 |
4.3 / 5 (3) |
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Quantum cryptography, a completely secure means of communication, is much closer to being used practically as researchers from Toshiba and Cambridge University's Cavendish Laboratory have now developed high speed detectors ...
New High Frequency Amplifier Harnesses Millimeter Waves in Silicon for Fast Wireless
Feb 11, 2009 |
4.8 / 5 (11) |
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(PhysOrg.com) -- New imaging and high capacity wireless communications systems are one step closer to reality, thanks to a millimeter wave amplifier invented at the University of California, San Diego and ...
In Brief: Sri Lanka to release wireless spectrum
Jun 29, 2006 |
1 / 5 (3) |
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Sri Lanka will be releasing new wireless spectrum for commercial use, although only with the blessings of the Ministry of Defense.
Engineers demonstrate nanotube wires operating at speed of commercial chips
Jan 30, 2008 |
4.1 / 5 (20) |
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Integrated circuits, such as the silicon chips inside all modern electronics, are only as good as their wiring, but copper conduits are approaching physical performance limitations as they get thinner.
New chip design delivers better performance, longer battery lilfe
Apr 19, 2006 |
4.6 / 5 (26) |
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Anyone who uses a cell phone or a WiFi laptop knows the irritation of a dead-battery surprise. But now researchers at the University of Rochester have broken a barrier in wireless chip design that uses a tenth ...
List of search results for gigahertz
