  Quantum transport properties are instrumental to understanding quantum
coherent transport processes. Potential applications of quantum transport are
widespread, in areas ranging from quantum information science to quantum
engineering, and not restricted to quantum state transfer, control and
manipulation. Here, we study light transport in a ring array of coupled
resonators enclosed synthetic magnetic flux. The ring configuration, with an
arbitrary number of resonators embedded, forms an two-arm Aharonov-Bohm
interferometer. The influence of magnetic flux on light transport is
investigated. Tuning the magnetic flux can lead to resonant transmission, while
half-integer magnetic flux quantum leads to completely destructive interference
and transmission zeros in an interferometer with two equal arms.
