Experimental band structure spectroscopy along a synthetic dimension

  title={Experimental band structure spectroscopy along a synthetic dimension},
  author={Avik Dutt and Momchil Minkov and Qian Lin and Luqi Yuan and David A. B. Miller and Shanhui Fan},
  journal={Nature Communications},
There has been significant recent interest in synthetic dimensions, where internal degrees of freedom of a particle are coupled to form higher-dimensional lattices in lower-dimensional physical structures. For these systems, the concept of band structure along the synthetic dimension plays a central role in their theoretical description. Here we provide a direct experimental measurement of the band structure along the synthetic dimension. By dynamically modulating a resonator at frequencies… 

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