Upon ultrafast photoexcitation, an all-dielectric nonlocal metasurface enables giant dichroism and birefringence modulations, working as a quarter-waveplate actively reconfigurable over picoseconds.
Upon ultrafast photoexcitation, an all-dielectric nonlocal metasurface enables giant dichroism and birefringence modulations, working as a quarter-waveplate actively reconfigurable over picoseconds.
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