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).
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