Science, Space and Technology News 2024
Researchers have demonstrated how to manipulate light at nanoscale using photonic crystals, simulating the effects of magnetic fields on electrons. This breakthrough in photon manipulation can significantly impact the development of nanophotonic chips, improving devices like lasers and quantum light sources. Credit: SciTechDaily.com
“This principle offers a new approach to slow down light fields and thereby enhance their strength. Realizing this on a chip is particularly important for many applications,” says AMOLF-group leader Ewold Verhagen. The researchers published their findings in the scientific journalon April 23rd. Simultaneously, a research team from Pennsylvania State University published an article in this journal about how they demonstrated – independently from the Dutch team – an identical effect.
Electron microscopy image of a photonic crystal. The diameter of the triangular holes is 300 nanometer. The curvature of the crystal array stops the light waves in the crystal from moving. Credit: AMOLFIn a collaboration with Kobus Kuipers of Delft University of Technology, the group of Verhagen indeed demonstrated a similar effect for light in a photonic crystal. “A photonic crystal normally consists of a regular – two dimensional – pattern of holes in a silicon layer.
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