Controlling photons by phonons via giant atom in a waveguide QED setup

Abstract

We investigate the single photon scattering in a phonon-photon hybrid system in the waveguide QED scheme. In our consideration, an artificial giant atom, which is dressed by the phonons in a surface acoustic wave resonator, interacts with a coupled resonator waveguide (CRW) nonlocally via two connecting sites. Together with the interference effect by the nonlocal coupling, the phonon serves as a controller to the transport of the photon in the waveguide. On the one hand, the coupling strength between the giant atom and the surface acoustic wave resonator modulates the width of the transmission valley or window in the near resonant regime. On the other hand, the two reflective peaks induced by the Rabi splitting degrade into a single one when the giant atom is large detuned from the surface acoustic resonator, which implies an effective dispersive coupling. Our study paves the way for the potential application of giant atoms in the hybrid system.

arXiv comment4 Pages, 4 Figures, Published on Optics Letters

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Cited by in corpus (5)

• Non-Markovian dynamics with a giant atom coupled to a semi-infinite photonic waveguide
• Non-Markovian dynamics with a driven three-level giant atom in a semi-infinite photonic waveguide
• Harnessing spontaneous emission of correlated photon pairs from ladder-type giant atoms
• Giant atoms coupled to waveguide: Continuous coupling and multiple excitations
• Manipulation of magnetic systems by quantized surface acoustic wave via piezomagnetic effect