Silicon nitride asymmetric 1×2 power splitter based on multimode interference

Georgios Patsamanis; Dimitra Ketzaki; Dimitrios Chatzitheocharis; Themistoklis Chrysostomidis; Ioannis Roumpos; Davide Sacchetto; Michael Zervas; Konstantinos Vyrsokinos

doi:10.1117/12.2583042

5 March 2021 Silicon nitride asymmetric 1×2 power splitter based on multimode interference

Georgios Patsamanis, Dimitra Ketzaki, Dimitrios Chatzitheocharis, Themistoklis Chrysostomidis, Ioannis Roumpos, Davide Sacchetto, Michael Zervas, Konstantinos Vyrsokinos

Author Affiliations +

Proceedings Volume 11689, Integrated Optics: Devices, Materials, and Technologies XXV; 116891U (2021) https://doi.org/10.1117/12.2583042
Event: SPIE OPTO, 2021, Online Only

Conference Poster

Abstract

In this work, we present the design process and experimental evaluation of a 1×2 asymmetric power splitters based on the self-imaging principle that is applied on an ultra-low-loss 800nm thick Si3N4 platform. The asymmetry in the multimode interference region is induced by removing a rectangular piece from the edge of the coupler, prompting a disruption at the interference pattern and adjusting accordingly the splitting power ratio. The design of the MMIs operating in the 1500- 1600nm wavelength region was realized through 3D-FDTD calculation method and the experimental results agree with theory providing an error of 5% in splitting ratio and less than -0.6dB insertion losses.

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Citation Download Citation

Georgios Patsamanis, Dimitra Ketzaki, Dimitrios Chatzitheocharis, Themistoklis Chrysostomidis, Ioannis Roumpos, Davide Sacchetto, Michael Zervas, and Konstantinos Vyrsokinos "Silicon nitride asymmetric 1×2 power splitter based on multimode interference", Proc. SPIE 11689, Integrated Optics: Devices, Materials, and Technologies XXV, 116891U (5 March 2021); https://doi.org/10.1117/12.2583042

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