Paper
1 July 2003 Why small avalanche photodiodes are beautiful
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Abstract
Conventional wisdom suggests that, for low avalanche noise, avalanche photodiodes should operate at low electric fields, where electron and hole ionisation coefficients can differ widely. However, the associated weak ionization requires long multiplication regions, which in turn demand high bias voltages and result in long carrier transit times, reducing device speed. Moreover, multiplication is particularly sensitive to temperature in this region. In this paper we discuss the effects of dead space on reducing noise in short devices and on the associated benefits in predicted response time and reduced temperature sensitivity. The paper is illustrated with work from the Sheffield group.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Graham J. Rees and John P. R. David "Why small avalanche photodiodes are beautiful", Proc. SPIE 4999, Quantum Sensing: Evolution and Revolution from Past to Future, (1 July 2003); https://doi.org/10.1117/12.482482
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CITATIONS
Cited by 7 scholarly publications.
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KEYWORDS
Ionization

Phonons

Monte Carlo methods

Avalanche photodetectors

Scattering

Gallium arsenide

Diffusion

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