Abstract

As is well known, Sagnac-Fizeau light dragging effect may serve as the fundamental nonreciprocal mechanism for photonic devices. In this study, we theoretically analyze nonreciprocal morphology-dependent resonance in spinning stacked microresonators (SSμRs) based on this effect. A theoretical model is set up to analyze the impact of Sagnac-Fizeau effect on resonance characteristics of SSμRs. Two typical morphology-dependent resonances, i.e., Fano resonance and mode splitting resonance, have been discussed for the microresonators operating at different rotation frequencies. The simulation results presented in this work would provide significant guidance for the design of nonreciprocal photonic devices based on non-magneto-optical approach. Our proposed SSμRs are expected to find promising applications in unidirectional microcavity laser, quantum light chiral control and quantum optical communications.

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