Abstract
The exploration of the constructive effects of noise is an interesting and important research topic. In this work, we investigate the influence of noise on a linear system using the model of a driven and dissipative linear-optical cavity. Results show that solely white noise can induce quasiregular dynamical oscillations, which would otherwise be in a steady state, owing to dissipation in the absence of noise. The regularity of noise-induced oscillations can be significantly enhanced by a linear coherent feedback loop. This is because the dissipation of the system is suppressed owing to the interference between the cavity field and feedback field. Our findings may provide a way to efficiently control white-noise-induced oscillations in a linear system and lead to further investigation of the interaction between noise and linear systems.
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