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Compact and Tunable Electro-Optic Modulator for Free Space Applications Modulating Light at Gigahertz Speed

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New research paper titled “Gigahertz free-space electro-optic modulators based on Mie resonances” from researchers at Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS), in collaboration with researchers at the department of Chemistry at the University of Washington.

Partial Abstract

“Electro-optic modulators are essential for sensing, metrology and telecommunications. Most target fiber applications. Instead, metasurface-based architectures that modulate free-space light at gigahertz (GHz) speeds can boost flat optics technology by microwave electronics for active optics, diffractive computing or optoelectronic control. Current realizations are bulky or have low modulation efficiencies. Here, we demonstrate a hybrid silicon-organic metasurface platform that leverages Mie resonances for efficient electro-optic modulation at GHz speeds.”

Find the open access technical paper here and the Harvard news writeup here.  Published June 2022.

Benea-Chelmus, IC., Mason, S., Meretska, M.L. et al. Gigahertz free-space electro-optic modulators based on Mie resonances. Nat Commun 13, 3170 (2022). https://doi.org/10.1038/s41467-022-30451-z

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