InP/InGaAs photodetector on SOI photonic circuitry

P.R.A. Binetti, X.J.M. Leijtens, T. Vries, de, Y.S. Oei, L. Di Cioccio, J.-M. Fédéli, C. Lagahe, J. Van Campenhout, D. Thourhout, Van, P.J. Veldhoven, van, R. Nötzel, M.K. Smit

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Abstract

We present an InP-based membrane p-i-n photodetector on a silicon-on-insulator sample containing a Si-wiring photonic circuit that is suitable for use in optical interconnections on Si integrated circuits (ICs). The detector mesa footprint is 50 µm2, which is the smallest reported to date for this kind of device, and the junction capacitance is below 10 fF, which allows for high integration density and low dynamic power consumption. The measured detector responsivity and 3-dB bandwidth are 0.45 A/W and 33 GHz, respectively. The device fabrication is compatible with wafer-scale processing steps, guaranteeing compatibility toward future-generation electronic IC processing.
Original languageEnglish
Pages (from-to)299-305
Number of pages7
JournalIEEE Photonics Journal
Volume2
Issue number3
DOIs
Publication statusPublished - 2010

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