Optical crosstalk in single photon avalanche diode arrays: a new complete model.
Opt Express
; 16(12): 8381-94, 2008 Jun 09.
Article
en En
| MEDLINE
| ID: mdl-18545552
One of the main issues of Single Photon Avalanche Diode arrays is optical crosstalk. Since its intensity increases with reducing the distance between devices, this phenomenon limits the density of integration within arrays. In the past optical crosstalk was ascribed essentially to the light propagating from one detector to another through direct optical paths. Accordingly, reflecting trenches between devices were proposed to prevent it, but they proved to be not completely effective. In this paper we will present experimental evidence that a significant contribution to optical crosstalk comes from light reflected internally off the bottom of the chip, thus being impossible to eliminate it completely by means of trenches. We will also propose an optical model to predict the dependence of crosstalk on the distance between devices.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Fotometría
/
Semiconductores
/
Transductores
/
Artefactos
/
Óptica y Fotónica
/
Modelos Teóricos
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Opt Express
Asunto de la revista:
OFTALMOLOGIA
Año:
2008
Tipo del documento:
Article
País de afiliación:
Italia
Pais de publicación:
Estados Unidos