Noise-free avalanche multiplication in Si solid state photomultipliers

Journal Article

Si solid state photomultipliers utilize impact ionization of shallow impurity donor levels to create an avalanche multiplication when triggered by a photoexcited hole. The distribution of pulse height from a single photon detection event shows narrow dispersion, which implies that the avalanche multiplication process in these devices is inherently noise-free. We have measured the excess noise factor using two different techniques, digital pulse height analysis and analog noise power measurement. The results demonstrate nearly noise-free avalanche multiplication accomplished in these devices. © 1997 American Institute of Physics.

Duke Authors

Cited Authors

  • Kim, J; Yamamoto, Y; Hogue, HH

Published Date

  • 1997

Published In

  • Applied Physics Letters

Volume / Issue

  • 70 / 21

Start / End Page

  • 2852 - 2854