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Surface acoustic wave modulation of a coherently driven quantum dot in a pillar microcavity

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If you have a question about this talk, please contact Dr Kaveh Delfanazari .

In this work, we demonstrate the generation of a high-frequency pulsed single-photon stream. A quantum dot embedded in a pillar microcavity efficiently scatters photons when driven coherently with a narrow-band continuous wave laser. Simultaneously, the transition energy is periodically tuned by a surface acoustic wave propagating along the substrate at 1 GHz. The combined action of the light and strain fields on the quantum dot yields a periodic signal displaying anti-bunching. In addition, we are able to resolve multiple phonon sidebands in the emission spectrum.

This talk is part of the Semiconductor Physics Group Seminars series.

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