Integrated quantum dot optomechanics

Anja Vogele; Maximilian M. Sonner; Benjamin Mayer; Xueyong Yuan; Matthias Weiß; Emeline D. S. Nysten; Saimon F. Covre da Silva; Armando Rastelli; Hubert J. Krenner

doi:10.1117/12.2544300

26 February 2020 Integrated quantum dot optomechanics

Anja Vogele, Maximilian M. Sonner, Benjamin Mayer, Xueyong Yuan, Matthias Weiß, Emeline D. S. Nysten, Saimon F. Covre da Silva, Armando Rastelli, Hubert J. Krenner

Author Affiliations +

Proceedings Volume 11289, Photonic and Phononic Properties of Engineered Nanostructures X; 1128915 (2020) https://doi.org/10.1117/12.2544300
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

Semiconductor quantum dots (QDs) combine high optical activity and the possibility of integration in a myriad of devices. Here, we demonstrate the integration of (Al)GaAs QDs in nanophononic strings and show that the excitonic two-level system of the QD couples to the confined phononic modes in string. For the chosen design the coupling is mediated via the valence band deformation potential and shear strain. Finite element modelling (FEM) shows that the optomechanical coupling parameter γ_om>0.15 meV/nm, exceeding that of vibrating nanowire architectures by one order of magnitude¹.

Citation Download Citation

Anja Vogele, Maximilian M. Sonner, Benjamin Mayer, Xueyong Yuan, Matthias Weiß, Emeline D. S. Nysten, Saimon F. Covre da Silva, Armando Rastelli, and Hubert J. Krenner "Integrated quantum dot optomechanics", Proc. SPIE 11289, Photonic and Phononic Properties of Engineered Nanostructures X, 1128915 (26 February 2020); https://doi.org/10.1117/12.2544300

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