Multi-harmonic quantum dot optomechanics in fused LiNbO3–(Al)GaAs hybrids

  title={Multi-harmonic quantum dot optomechanics in fused LiNbO3–(Al)GaAs hybrids},
  author={Emeline D. S. Nysten and Yongheng Huo and Hailong Yu and Guo Feng Song and Armando Rastelli and Hubert J. Krenner},
  journal={Journal of Physics D: Applied Physics},
We fabricated an acousto-optic semiconductor hybrid device for strong optomechanical coupling of individual quantum emitters and a surface acoustic wave. Our device comprises of a surface acoustic wave chip made from highly piezoelectric LiNbO3 and a GaAs-based semiconductor membrane with an embedded layer of quantum dots. Employing multi-harmonic transducers, we generated sound waves on LiNbO3 over a wide range of radio frequencies. We monitored their coupling to and propagation across the… 

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