Super-Poissonian noise in a quantum dot p-i-n junction

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Abstract

The shot-noise spectrum of a quantum dot p-type/intrinsic/n-type (p-i-n) junction is investigated theoretically. Without making the Markovian approximation, effect from the nonrelativistic cutoff frequency of the exciton decay may be revealed with the feature of super-Poissonian noise. To become practically observable in experiments, high quality quantum well or quantum dot arrays, which exhibit super-radiance, in a p-i-n junction is suggested to enhance the zero-frequency noise (Fano factor).

Original languageEnglish
Article number162114
JournalApplied Physics Letters
Volume90
Issue number16
DOIs
Publication statusPublished - 2007 Apr 30

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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