Femtosecond nano-imaging reveals ultrafast optical control of phonon polaritons
Image: Phys.org
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- A collaborative research team has successfully visualized in real space the ultrafast optical modulation of hyperbolic phonon polaritons (HPhPs) in a van der Waals heterostructure composed of hBN and WS2. The research is published in the journal Nano Letters, and was led by Kazuki Kamada of the…