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Proceedings Paper

The blocking probability of Geiger-mode avalanche photo-diodes
Author(s): Bruce Moision; Meera Srinivasan; Jon Hamkins
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Paper Abstract

When a photon is detected by a Geiger-mode avalanche photo-diode (GMAPD), the detector is rendered inactive, or blocked, for a certain period of time. In this paper we derive the blocking probability for a GMAPD whose input is either an unmodulated, Bernoulli modulated or pulse-position-modulated (PPM) Poisson process. We demonstrate how the PPM and Bernoulli cases differ, illustrating that the PPM blocking probability is larger than the Bernoulli. The blocking rates may be decreased by focusing the incident light on an array of detectors. We show that the binomial output statistics of an array of GMAPDs may be modeled as Poisson and measure the error in this approximation via the relative entropies of the two distributions.

Paper Details

Date Published: 26 August 2005
PDF: 10 pages
Proc. SPIE 5889, Satellite Data Compression, Communications, and Archiving, 58890G (26 August 2005); doi: 10.1117/12.619307
Show Author Affiliations
Bruce Moision, Jet Propulsion Lab. (United States)
Meera Srinivasan, Jet Propulsion Lab. (United States)
Jon Hamkins, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 5889:
Satellite Data Compression, Communications, and Archiving
Bormin Huang; Roger W. Heymann; Charles C. Wang, Editor(s)

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