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Home SCIENCE NEWS Technology and Engineering

Opening up the electromagnetic spectrum

April 6, 2022
in Technology and Engineering
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Researchers from the labs of Lan Yang, the Edwin H. & Florence G. Skinner Professor, and Xuan “Silvia” Zhang, associate professor, at the McKelvey School of Engineering at Washington University in St. Louis, have developed the first fully integrated parity-time symmetric electronic system.

Parity-time symmetry

Credit: Kater Murch Laboratory

Researchers from the labs of Lan Yang, the Edwin H. & Florence G. Skinner Professor, and Xuan “Silvia” Zhang, associate professor, at the McKelvey School of Engineering at Washington University in St. Louis, have developed the first fully integrated parity-time symmetric electronic system.

And it can be made without the use of exotic materials, only requiring the same standard microelectronic fabrication technology used today for common integrated circuits.

The research was published March 17 in the journal Nature Nanotechnology.

PT-symmetric systems allow for energy flow to be manipulated in surprising new ways. Currently, they can operate in a limited range — either at the extremely low-frequency acoustic domain or the extremely high-frequency optical domain.

This new technology implemented a concept with remarkable mathematical properties originating from quantum physics into an integrated circuit. It opens up a new part of the spectrum for research in the giga- to terahertz range.



Journal

Nature Nanotechnology

DOI

10.1038/s41565-021-01038-4

Method of Research

Computational simulation/modeling

Subject of Research

Not applicable

Article Title

Fully integrated parity–time-symmetric electronics

Article Publication Date

17-Mar-2022

Tags: electromagneticopeningspectrum
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