Purdue University researchers have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals, a step toward making wires obsolete for communications in the homes and offices of the future
…This diagram shows the design for new silicon “microring resonators,” miniature devices used in a system that converts ultra fast laser pulses into bursts of radio-frequency signals. The innovation is a step toward making wires obsolete for communications in homes and offices. Such an advance could enable all communications, from high-definition television broadcasts to secure computer connections, to be transmitted from a single base station. The microring filter can be tuned by heating the rings. (Purdue University, Minghao Qi)
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Each laser pulse lasts about 100 femtoseconds, or one-tenth of a trillionth of a second. These pulses are processed using “optical arbitrary waveform technology” pioneered by Purdue researchers led by Weiner.
Findings have appeared online in the journal Nature Photonics and were published in the February print issue of the magazine. The research is based at Purdue’s Birck Nanotechnology Center in the university’s Discovery Park.
“What enables this technology is that…
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Purdue researchers aim to make home, office wires disappear
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