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Integrated bulk/SOI APD sensor: Bulk substrate inspection with Geiger-mode avalanche photodiodes

  • J. C. Jackson
  • , J. Donnelly
  • , B. O'Neill
  • , A. M. Kelleher
  • , G. Healy
  • , A. P. Morrison
  • , A. Mathewson

Research output: Contribution to journalArticlepeer-review

Abstract

The bulk silicon quality after removal of the silicon-on-insulator (SOI) and buried oxide layer was compared with respect to the performance of avalanche photodiodes (APD) operated in Geiger-mode. The SOI technology enabled the detector and the readout circuitry to be electrically isolated. The plasma etching of the buried oxide showed lower dark counts with respect to wet etched or standard p-epi substrates.

Original languageEnglish
Pages (from-to)735-736
Number of pages2
JournalElectronics Letters
Volume39
Issue number9
DOIs
Publication statusPublished - 1 May 2003

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