Mitigating Substrate Leakage Loss on a Monolithic SiPh Platform: Experimental Demonstration of Hybrid Si-SiN Waveguides for O-band Datacom

Yusheng Bian,Won Suk Lee,Sujith Chandran, Abdelsalam Aboketaf,Takako Hirokawa,Kevin Dezfulian,Massimo Sorbara, Seyedeh Fahimeh Banihashemian,Salman Mosleh,Arman Najafi,Qidi Liu, Ming Gong,Michal Rakowski, Chris Ritchie,Ryan Sporer,Michelle Zhang,Shenghua Song,Helen Wong,Arpan Dasgupta,Zahidur Chowdhury,Ryan Gallagher,Jae Gon Lee,Janet Tinkler,George Gifford,Vikas Gupta,Anthony Yu,Ken Giewont,Ted Letavic

CLEO 2024（2024）

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摘要

We introduce the concept of hybrid Si-SiN waveguides to mitigate substrate leakage on a monolithic-SiPh platform. Experimental data indicates añ80% reduction in TM-waveguide loss (resulting in ~0.3 dB/cm-attenuation) and a 9-fold TM-bend loss reduction.

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关键词

Loss Reduction,Aspect Ratio,Functional Devices,Silicon Nitride,Propagation Loss,Inter-symbol Interference,Si Layer,Index Contrast,TM Polarization,TE Polarization,Significant Reduction In Loss,Mode Confinement

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