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Characterization of quantum efficiency, effective lifetime and mobility in thin film ungated SOI lateral PIN photodiodes

By Aryan Afzalian and Denis Flandre

Abstract

This paper presents an analytical model of the optical sensitivity and dark current of thin film SOI PIN diodes validated by measurements. This allows us to prove the very good adequacy of thin film SOI for UV-sensing (quantum efficiency in excess of 60% without any anti-reflection coating and dark current lower than pA for a total diode area of 50 × 50 μm2) and to propose a new method for extracting the effective lifetime and electron, and hole mobilities in SOI thin film ungated structures

Topics: Dark current, Lifetime, Mobility, PIN photodetector, SOI optical sensor, Sensitivity
Publisher: 'Elsevier BV'
Year: 2007
DOI identifier: 10.1016/j.sse.2007.01.009
OAI identifier: oai:dial.uclouvain.be:boreal:88410
Provided by: DIAL UCLouvain
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