Anderson Localization-delocalization Transition of Light in Quasiperiodic Photonic Lattices
The Anderson transition caused by disorder is a phase transition where the waves experience from metallic to insulating behavior. This concept has been progressively developed from its original solid-state physics scope to other fields inclusive of cold atom physics, optics, and even quantum optics etc... Bringing the relevant concepts to the domain of optics has enhanced our understanding of wave phenomena. In this talk, I will present the Anderson localization transition of light in quasiperiodic photonic lattices, where the quasiperiodic potential of finite strength mimics the deterministic disorder. In particular, I will discuss the localization and transport properties of light in the quasiperiodic lattices presented in the manner of self-duality. I also show that non-Hermiticity in such lattices can lead to the localization transition.
