Characterization of novel active area silicon avalanche photodiodes operating in the Geiger mode

DM Taylor, JC Jackson, AP Morrison, A Mathewson, JG Rarity

Research output: Contribution to journalArticle (Academic Journal)

10 Citations (Scopus)

Abstract

We present a method for characterizing avalanche photodiode (APD) photon-counting detector efficiency as a function of active area. Various shallow-junction silicon APDs having a novel active area were manufactured and tested. We show that cylindrical and checkquerboard-shaped active areas have dark counts two orders of magnitude lower than standard circular devices with an equivalent active area. A parallel implementation of small active areas creates gettering sites for defects to migrate to, which is believed to create relatively defect-free active areas as the perimeter-to-area ratio is increased. However, a compromise between a large perimeter-to-area ratio and a structure useful for practical applications must be considered to optimize the detector
Translated title of the contributionCharacterization of novel active area silicon avalanche photodiodes operating in the Geiger mode
Original languageEnglish
Pages (from-to)1323 - 1332
Number of pages10
JournalJournal of Modern Optics
Volume51 (9-10)
DOIs
Publication statusPublished - Jun 2004

Bibliographical note

Publisher: Taylor & Francis

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