Quantum electrodynamics in a topological metamaterial: Part 2

Topological concepts in photonics give rise to novel ways of controlling light or microwaves. By coupling quantum emitters to topological photonic structures, photon-mediated interaction between the emitters inherits the topological properties, which can lead to novel radiative phenomena. Here, we study superconducting qubits coupled to a microwave metamaterial waveguide which is a photonic analog of the Su-Schrieffer-Heeger (SSH) model [Sci. Adv. 5, eaaw0297 (2019)]. We report the observation of novel interaction profiles and scattering properties of the qubits induced by the topological photonic bath.