A silicon photonic non-reciprocal isolator/circulator system with time-dependent permittivity tensor is demonstrated. In addition to being broadband and low loss, the architecture is scalable to achieve high extinction ratio with reconfigurable isolation path direction.
Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Mikhail Churaev, Nikolai Kuznetsov, Zihan Li, Junyin Zhang, Zelin Tan
Holger Frauenrath, Yauhen Sheima
Andras Kis, Edoardo Lopriore, Asmund Kjellegaard Ottesen, Gabriele Pasquale