Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Design and Optimization of Microring Resonators Integrated with Graphene Oxide Films for FWM

Version 1 : Received: 14 May 2021 / Approved: 19 May 2021 / Online: 19 May 2021 (10:21:01 CEST)

How to cite: Moss, D. Design and Optimization of Microring Resonators Integrated with Graphene Oxide Films for FWM. Preprints 2021, 2021050439 (doi: 10.20944/preprints202105.0439.v1). Moss, D. Design and Optimization of Microring Resonators Integrated with Graphene Oxide Films for FWM. Preprints 2021, 2021050439 (doi: 10.20944/preprints202105.0439.v1).

Abstract

We theoretically investigate and optimize the performance of four-wave mixing (FWM) in microring resonators (MRRs) integrated with two-dimensional (2D) layered graphene oxide (GO) films. Owing to the interaction between the MRRs and the highly nonlinear GO films as well as to the resonant enhancement effect, the FWM efficiency in GO-coated MRRs can be significantly improved. Based on previous experiments, we perform detailed analysis for the influence of the GO film parameters and MRR coupling strength on the FWM conversion efficiency (CE) of the hybrid MRRs. By optimizing the device parameters to balance the trade-off between the Kerr nonlinearity and loss, we achieve a high CE enhancement of ~18.6 dB relative to the uncoated MRR, which is ~8.3 dB higher than previous experimental results. The influence of photo-thermal changes in the GO films as well as variations in the MRR parameters such as the ring radius and waveguide dispersion on the FWM performance is also discussed. These results highlight the significantly improved FWM performance that can be achieved in MRRs incorporating GO films

Subject Areas

Four-wave mixing; 2D materials; microring resonator; graphene oxide

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