Jia-Qi Li

Dec 2, 2024 | link.aps.org | Xin Wang |Xi'an Jiaotong |Jia-Qi Li |Tao Liu

Multiphoton dynamics beyond linear optical materials are of significant fundamental and technological importance in quantum information processing. However, it remains largely unexplored in nonlinear waveguide QED. In this work, we theoretically propose a structured nonlinear waveguide in the presence of staggered photon-photon interactions, which supports two branches of gaped bands for doublons (i.e., spatially bound-photon-pair states).