Comparison of Al2O3 and HfO2 MOSCAP III-V/Si Power Splitters and (De-) Interleavers for DWDM Optical Links

Stanley Cheung; Geza Kurczveil; Yingtao Hu; Yuan Yuan; Bassem Tousson; Yiwei Peng; Mingye Fu; Di Liang; Raymond G. Beausoleil

doi:10.1364/OFC.2022.M2E.5

Optical Fiber Communication Conference (OFC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper M2E.5
•https://doi.org/10.1364/OFC.2022.M2E.5

Comparison of Al₂O₃ and HfO₂ MOSCAP III-V/Si Power Splitters and (De-) Interleavers for DWDM Optical Links

Stanley Cheung, Geza Kurczveil, Yingtao Hu, Yuan Yuan, Bassem Tousson, Yiwei Peng, Mingye Fu, Di Liang, and Raymond G. Beausoleil

Optical Fiber Communication Conference 2022

San Diego, California United States
6–10 March 2022
ISBN: 978-1-55752-466-9

From the session
Novel Applications of Passive Photonic Circuits (M2E)

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S. Cheung, G. Kurczveil, Y. Hu, Y. Yuan, B. Tousson, Y. Peng, M. Fu, D. Liang, and R. G. Beausoleil, "Comparison of Al2O3 and HfO2 MOSCAP III-V/Si Power Splitters and (De-) Interleavers for DWDM Optical Links," in Optical Fiber Communication Conference (OFC) 2022, S. Matsuo, D. Plant, J. Shan Wey, C. Fludger, R. Ryf, and D. Simeonidou, eds., Technical Digest Series (Optica Publishing Group, 2022), paper M2E.5.

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Abstract

We compare III-V/Si MZIs and (de-)interleavers using Al₂O₃- and HfO₂-based MOSCAP structures as phase tuners. HfO₂ twice as thick as Al₂O₃ exhibited lower V_πL. We demonstrate crosstalk improvement of ring-assisted (de-)interleavers with both structures.

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