Multilayer avalanche photodiodes and solid-state photomultipliers.

01 January 1984

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Recent work on enhanced ionization avalanche photodiodes and solid state photomultipliers is reviewed. APD's with enhanced ionization rates ratio include superlattice, channeling and graded gap structures. The staircase APD which is the solid state analog of a photomultiplier has low operating voltage and noise free gain. The different material options are also discussed.