Design and simulation of a graphene-on-silicon nitride electro-absorption dual-mode integrated waveguide modulator

Fernando Martín-Romero; Víctor J. Gómez

doi:10.1117/12.3016702

18 June 2024 Design and simulation of a graphene-on-silicon nitride electro-absorption dual-mode integrated waveguide modulator

Fernando Martín-Romero, Víctor J. Gómez

Author Affiliations +

Proceedings Volume 13012, Integrated Photonics Platforms III; 130120A (2024) https://doi.org/10.1117/12.3016702
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

We present the design and simulation of an integrated graphene-on-silicon nitride (GOSiN) dual-mode electroabsorption modulator at λ = 1550 nm. We started from designing GOSiN TE₀ and TE₁ mode filters with minimum length and insertion losses. Then, we designed a dual-mode modulator that combines both mode filters, tuning the absorption by applying a gate voltage. We show that the (0,0), (0,1), (1,0) and (1,1) logical values can be generated, with modulation depths up to 608-670 dB/cm for the TE0 mode and 228-284 dB/cm for the TE₁ mode. Our results improve, to the best of our knowledge, the state of the art in integrated graphene dual-mode modulators, helping to develop efficient mode division multiplexing (MDM) on-chip interconnections.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Fernando Martín-Romero and Víctor J. Gómez "Design and simulation of a graphene-on-silicon nitride electro-absorption dual-mode integrated waveguide modulator", Proc. SPIE 13012, Integrated Photonics Platforms III, 130120A (18 June 2024); https://doi.org/10.1117/12.3016702

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