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Low-Power consumption Franz-Keldysh effect plasmonic modulator

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posted on 2023-01-12, 15:54 authored by Nicolás Abadía, Thomas Bernadin, Papichaya Chaisakul, Ségolene Olivier, Delphine Marris-Morini, Roch Espiau de Lamaëstre, Jean-Claude Weeber, Laurent Vivien
In this paper we report on a low energy consumption CMOS-compatible plasmonic modulator based on Franz-Keldysh effect in germanium on silicon. We performed integrated electro-optical simulations in order to optimize the main characteristics of the modulator. A 3.3 $dB$ extinction ratio for a 30 ${\mu}m$ long modulator is demonstrated under 3 $V$ bias voltage at an operation wavelength of 1647 $nm$. The estimated energy consumption is as low as 20 $fJ/bit$.

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    physics.optics (arXiv)cond-mat.mes-hall (arXiv)cond-mat.mtrl-sci (arXiv)cond-mat.other (arXiv)physics.app-ph (arXiv)

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