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Mar 13, 2023

In a first, scientists show time reflection of electromagnetic waves

Posted by in categories: computing, physics

The breakthrough experiment could lead to low-energy, wave-based computers and new applications for wireless communications.

Researchers at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) performed a breakthrough experiment in which they observed time reflections of electromagnetic signals in a tailored metamaterial.

Time reflection versus spatial reflection.


Andrea Alu.

The scientists, who published their findings in a paper in Nature Physics, were able to successfully cause time reversal as well as frequency conversion of broadband electromagnetic waves in their experiments.

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