UK scientist make fastest THz modulator
The fastest electro-optic THz switch yet has emerged from free electron laser research at the University of Exeter. Graphene, meta-material and plasmonics-based; the exotic device can modulate a THz beam to 60% depth at 40MHz. “40MHz is not fast compared with telecoms modulators, but it is slightly better than state-of-the-art at THz,” Professor Geoff Nash ...
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