Abstract
We report a single photon source model which consists on InAs/GaAs pyramidal quantum dot (QD) model based on effective mass theory to calculate the emitted photons energies. We study the choice of geometrics parameters of QD to obtain emission at 1550 nm. This quantum dot must be embedded on a microcavity to improve the live time of photon at 1550 nm and inhibit the others photons to increase the probability to obtain only one emitted photon. We present two kinds of microcavities; the first based on two dimensional photonic crystal over GaAs, we study the geometric parameters choice to obtain a height density of mode (DOM) at 1550 nm; the second microcavity is based on microdisk structure over GaAs we evaluate the impact of radius variation to obtain whispering-gallery mode at 1550 nm. This study can serve for the conception of new quantum communications protocols.
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