A team of researchers recently developed an alternative way to break the Abbe diffraction limit and realize subwavelength imaging in an all-optical manner. They propose localized evanescent-wave illuminations, which are excited at the silicon surface by four-wave mixing, a third-order nonlinear optical process.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/04/210405113655.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/04/210405113655.htm
Nonlinear wave mixing facilitates subwavelength imaging
![Nonlinear wave mixing facilitates subwavelength imaging]()
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April 05, 2021
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