Nanostructures enable on-chip lightwave-electronic frequency mixer

https://phys.org/news/2024-09-nanostructures-enable-chip-lightwave-electronic.html

">1 octave bandwidth, on-chip petahertz high nonlinear tunneling frequency mixer corresponding to electric, magnetic light oscillations, enabling shift up to optical then back to electronic frequencies, fast transmission/ processing larger amounts of information... diode-like nm-length-scale needle tips/ plasmonic antennas... mixer operates >0.350 PHz using nanoantennae mixing different frequencies analyzed orders magnitude faster... uses ordinary laser... communications, spectroscopy, imaging"

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https://www.photonics.com/Articles/Silicon-Based_Photonics_Platform_Enables_On-Chip/a70093