Search results for optical fiber
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 |
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Technology convergence may widen the digital divide
(Phys.org) -- Technology is helping communication companies merge telephone, television and Internet services, but a push to deregulate may leave some customers on the wrong side of the digital divide during this convergence, ...
May 17, 2012 |
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Liberia to get high-speed internet by October
Liberian President Ellen Johnson Sirleaf said late Monday the west African nation will get high-speed internet from October, as it connects to a fibre optic cable running along the west African coast.
May 08, 2012 |
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A physicist and an inventor
As a boy growing up in Croatia, Marin Soljacic wanted to be an inventor. But he wasn’t interested only in designing new products; he wanted to discover physical phenomena that would enable completely ...
May 14, 2012 |
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International team to demonstrate first heralded single-photon generation from a silicon chip
An international consortium of researchers has overcome an important barrier to the generation of single photons using a tiny, chip-scale device constructed from the most widely used material underpinning ...
May 01, 2012 |
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Redefining time
Atomic clocks based on the oscillations of a cesium atom keep amazingly steady time and also define the precise length of a second. But cesium clocks are no longer the most accurate. That title has been transferred ...
Apr 30, 2012 |
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Portable gas sensors improve atmospheric pollution measurements
Different types of compact, low-power portable sensors under development by three independent research groups may soon yield unprecedented capabilities to monitor ozone, greenhouse gases, and air pollutants. ...
Apr 30, 2012 |
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A 100-gigbit highway for science
Climate researchers are producing some of the fastest growing datasets in science. Five years ago, the amount of information generated for the Nobel Prize-winning United Nations International Panel on Climate Change (IPCC) ...
Apr 30, 2012 |
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Atomic clock comparison via data highways
(Phys.org) -- Optical atomic clocks measure time with unprecedented accuracy. However, it is the ability to compare clocks with one another that makes them applicable for high-precision tests in fundamental ...
Apr 27, 2012 |
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Lenses can bend light and sound in almost any direction
(PhysOrg.com) -- When an optical fiber is bent by 90° or more, the light begins to leak away, posing a problem for fiber optics communications. But by using special lenses that can bend light by not only ...
Apr 02, 2012 |
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HELIOS makes silicon breakthrough
Researchers in Europe have succeeded in presenting an integrated tuneable transmitter on silicon - the first time this has ever happened. This results are an outcome of the HELIOS ('Photonics electronics functional ...
Mar 30, 2012 |
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A unique 'micro-loop mirror' design may enhance the performance of integrated laser on silicon
Active optical fibers with silicon photonic chips can carry a lot more information for data interconnect than copper cables. Silicon photonics can also be the material of choice for wiring 'lab-on-a-chip' ...
Mar 29, 2012 |
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Olympics to strain UK Internet infrastructure
(AP) -- As Usain Bolt races down the Olympic track, will London's Internet infrastructure be able to keep up? Let's hope so. Experts say the network should be able to cope - but they warned of sluggishness ...
Mar 20, 2012 |
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'Holey Optochip' first to transfer one trillion bits of information per second using the power of light
(PhysOrg.com) -- IBM scientists today will report on a prototype optical chipset, dubbed “Holey Optochip”, that is the first parallel optical transceiver to transfer one trillion bits – one ...
Mar 08, 2012 |
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The world’s fastest Y-00 stream cipher transmission at 40 Gbit/sec over 120 km
Fumio Futami at Tamagawa University, Quantum ICT Research Institute, announced the world first transmission of the stream cipher by Yuen 2000 protocol (Y-00) at the bit rate of 40 Gbit/sec over 120 km.
Mar 06, 2012 |
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