News tagged with light pulses

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A transistor-like amplifier for single photons

Data transmission over long distances usually utilizes optical techniques via glass fibres – this ensures high speed transmission combined with low power dissipation of the signal. For quite some years possibilities have ...

dateJul 29, 2014 in General Physics
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Laser light needs more bass

They shed light on atomic and molecular processes: ultrashort laser pulses are required to study extremely fast quantum phenomena. For years, scientists have been trying to tune the shape of light waves so as to, for instance, ...

dateMay 21, 2014 in General Physics
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Why cells allow the passage of disease

Using a digital microscopic holography technique, specialists at the Center for Research in Optics in Mexico, seek to know under what conditions the membranes of cells are deformed or broken, and determine how the permission ...

dateMay 13, 2014 in Cell & Microbiology
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Using carbon to control the light

(Phys.org) —The flip of a light switch – a nano-scale light switch – may some day dramatically boost the speed of data transmission, from streaming movies to accelerating the most data-intense computation. Today, information ...

dateMar 06, 2014 in Nanophysics
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