-1 V bias 67GHz bandwidth Si-contacted germanium waveguide p-i-n photodetector for optical links at 56 Gbps and beyond

H. Chen, P. Verheyen, P. de Heyn, G. Lepage, J. de Coster, W. Yao, L. Shen, G.C. Roelkens, J. van Campenhout

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

We demonstrate a 67 GHz bandwidth silicon-contacted germanium waveguide p-i-n photodetector operating at −1 V with 6.8 fF capacitance. The dark current is below 4 nA. The responsivity is 0.74 A/W at 1550 nm and 0.93 A/W at 1310 nm wavelength. 56 Gbps on-off-keying data reception is demonstrated with clear open eye diagrams in both the C-band and O-band.
Original languageEnglish
Pages (from-to)4622-4631
JournalOptics Express
Volume24
Issue number5
DOIs
Publication statusPublished - 24 Feb 2016

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