Studies on multiplication effect of noises of PPDs, and a proposal of a new structure to improve the performance

Details Studies on multiplication effect of noises of PPDs, and a proposal of a new structure to improve the performance Studies on multiplication effect of noises of PPDs, and a proposal of a new structure to improve the performance

2008-11-10

arxiv.org/abs/0811.1402v1

Nucl.Instrum.Meth.A613:23-28,2010

Physics

Instrumentation and Detectors

Submitted to Nuclear Instruments and Methods in Physics Research, A

Scientific paper

10.1016/j.nima.2009.11.012

Pixelated Photon Detectors (PPDs) are the most promising semiconductor photodetectors in recent years. One of the issues with the PPD is its high noise rate. As well as random noise, PPD also exhibits so called after-pulsing and optical crosstalk, and these limit the applicable range of its gain as well as its size. By accurately measuring each of these causes of noises independently, we quantitatively evaluated how the performance of the present device is limited by multiplication effect of these noises. With this result and the pulsing mechanism of PPD, we propose a new structure of PPD which could have high gain with low noise.

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