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Phonon-Assisted Population Inversion of a Single Quantum Dot

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Abstract

We demonstrate a new method to produce a population inversion in an InGaAs quantum dot by quasi-resonant, incoherent excitation within the LA phonon sideband. A maximum exciton population of 0.67 is measured; applications include single photon sources and single QD lasers.

© 2015 Optical Society of America

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