Publication:

Design of a High-Speed Waveguide Ge/Si SACM Avalanche Photodiode

Date

2025
Journal article
https://doi.org/10.1109/jlt.2025.3594842
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dc.contributor.authorShahin, Amir
dc.contributor.authorBerciano, Mathias
dc.contributor.authorCoughlan, Conor
dc.contributor.authorYudistira, Didit
dc.contributor.authorLoo, Roger
dc.contributor.authorKandeel, Ahmed
dc.contributor.authorVerheyen, Peter
dc.contributor.authorKobbi, Hakim
dc.contributor.authorChakrabarti, Maumita
dc.contributor.authorVan Thourhout, Dries
dc.contributor.authorVan Campenhout, Joris
dc.date.accessioned2026-06-04T08:13:46Z
dc.date.available2026-06-04T08:13:46Z
dc.date.createdwos2025-09-27
dc.date.issued2025
dc.description.abstractWe report on a waveguide-coupled (WG) vertical Germanium on Silicon (Ge-on-Si) Separate Absorption Charge Multiplication (SACM) Avalanche Photodiode (APD) achieving 3dB-bandwidths of 50 GHz and 30 GHz at an O-band responsivity of 3 A/W and 6 A/W respectively, combined with dark current levels below 50 nA. The experimental measurements are supported by a modeling approach showing how to optimize the SACM-APD charge layer to target high-speed performance.
dc.description.wosFundingText. This work was supported and funded by Sipho-G under Grant 101017194.
dc.identifier.doi10.1109/jlt.2025.3594842
dc.identifier.issn0733-8724
dc.identifier.urihttps://imec-publications.be/handle/20.500.12860/59546
dc.language.isoeng
dc.provenance.editstepusergreet.vanhoof@imec.be
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.source.beginpage9325
dc.source.endpage9332
dc.source.issue19
dc.source.journalJOURNAL OF LIGHTWAVE TECHNOLOGY
dc.source.numberofpages8
dc.source.volume43
dc.subject.keywordsFREQUENCY-RESPONSE
dc.subject.keywordsDEAD SPACE
dc.subject.keywordsGAIN
dc.subject.keywordsIONIZATION
dc.subject.keywordsNOISE
dc.subject.keywordsSI
dc.title

Design of a High-Speed Waveguide Ge/Si SACM Avalanche Photodiode

dc.typeJournal article
dspace.entity.typePublication
imec.internal.crawledAt2026-04-07
imec.internal.sourcecrawler
imec.internal.wosCreatedAt2026-04-07
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