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Plasmonic metamaterial time crystal

Nature Photonic Metamaterials Tingwen Guo, Jules Sueiro, Gian Marcello Andolina, Artem Levchuk, Stefano Ponzoni, Romain Grasset, Donald Monthe, Ian Aupiais, Dmitri Daineka, Javier Briatico, Thales VAG de Oliveira, Alexey Ponomaryov, Atiqa Arshad, Arjun Karimbana-Kandy, Gulloo Lal Prajapati, Igor Ilyakov, Jan-Christoph Deinert, Sebastian F. Maehrlein, Luca Perfetti, Marco Schirò, Yannis Laplace 2026-07-29

TL;DR - A plasmonic metamaterial driven at terahertz frequencies achieves strong, ultrafast temporal modulation and transitions into a photonic time-crystal regime. The approach also reduces plasmonic losses, potentially improving dynamically controlled photonic systems.

Demonstrates terahertz-driven temporal modulation in a plasmonic metamaterial.
Reaches the photonic time-crystal regime.
Combines ultrafast modulation with reduced plasmonic losses.

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