Nonlinear Floquet dynamics of spinor condensates in an optical cavity: Cavity-amplified parametric resonance

TL;DR

This paper explores how periodic modulation of a cavity pump laser induces Floquet dynamics in a spinor Bose-Einstein condensate coupled to an optical cavity, revealing cavity feedback-induced nonlinear amplification of spin oscillations.

Contribution

It demonstrates the prediction and amplification of parametric resonances in a cavity-spinor BEC system through nonlinear feedback effects, enabling enhanced detection of Floquet dynamics.

Findings

Parametric resonances are predicted in the system.

Cavity feedback induces nonlinear amplification of spin oscillations.

Real-time observation of Floquet dynamics via cavity output is feasible.

Abstract

We investigate Floquet dynamics of a cavity-spinor Bose-Einstein condensate coupling system via periodic modulation of the cavity pump laser. Parametric resonances are predicted and we show that due to cavity feedback-induced nonlinearity the spin oscillation can be amplified to all orders of resonance, thus facilitating its detection. Real-time observation on Floquet dynamics via cavity output is also discussed.