Article Dans Une Revue Optical Materials Express Année : 2024

Nanoimprinted exciton-polaritons metasurfaces: cost-effective, large-scale, high homogeneity, and room temperature operation [Invited]

Résumé

Exciton-polaritons represent a promising platform that combines the strengths of both photonic and electronic systems for future optoelectronic devices. However, their application is currently limited to laboratory research due to the high cost and complexity of fabrication methods, which are not compatible with the mature CMOS technology developed for microelectronics. In this work, we develop an innovative, low-cost, and CMOS-compatible method for fabricating large surface polaritonic devices. This is achieved by direct patterning of a halide-perovskite thin film via thermal nanoimprint. As a result, we observe highly homogeneous polaritonic modes of quality factor Q ≈ 300 at room temperature across a centimetric scale. Impressively, the process provides high reproducibility and fidelity, as the same mold can be reused more than 10 times to imprint the perovskite layer on different types of substrates. Our results could pave the way for the production of low-cost integrated polaritonic devices operating at room temperature.
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Dates et versions

hal-04793205 , version 1 (20-11-2024)

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Nguyen Ha My Dang, Paul Bouteyre, Gaëlle Trippé-Allard, Céline Chevalier, Emmanuelle Deleporte, et al.. Nanoimprinted exciton-polaritons metasurfaces: cost-effective, large-scale, high homogeneity, and room temperature operation [Invited]. Optical Materials Express, 2024, 14 (6), pp.1655. ⟨10.1364/ome.512255⟩. ⟨hal-04793205⟩
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