New framework for nanoantenna light absorption

Science Daily  September 23, 2019 To harness light’s energy into nanoscale volumes one must overcome the diffraction limit. Researchers at the University of Illinois overcame this hurdle by coupling photonic crystals with a plasmonic nanoantenna. The photonic crystals serve as light receivers and focus the energy into an electromagnetic field that is hundreds of times greater than that received from the original light source, such as an LED or laser. The nanoantennas, when “tuned” to the same wavelength, absorb the energy from the electromagnetic field and concentrate the energy into a smaller volume that is of greater intensity by yet […]