News tagged with optical signal

New material helps record data with light

Russian physicists with their colleagues from Europe have learned to generate quasiparticles—excitons, which were fully controllable and able to record information at room temperature. These particles act as a transitional ...

dateMar 10, 2017 in Materials Science
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Making the switch to polarization diversity

Vast amounts of data transmit across the Internet and telecommunications networks delivering, for example, real-time video calls from one cell phone to another - across the world. As people send and receive increasing amounts ...

dateJan 31, 2017 in Optics & Photonics
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A nano-roundabout for light

Just like in normal road traffic, crossings are indispensable in optical signal processing. In order to avoid collisions, a clear traffic rule is required. A new method has now been developed at TU Wien to provide such a ...

dateDec 08, 2016 in Optics & Photonics
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Researchers make one-way street for light

Researchers at FOM institute AMOLF and the University of Texas at Austin have created a compact one-way street for light. That is remarkable because light waves can generally move in both directions inside a material. Optical ...

dateNov 29, 2016 in Optics & Photonics
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