Abstract

We theoretically discuss the influence of a squeezed drive on the fast and slow light effect at different temperatures by focusing on two main factors: the nonlinear gain coefficient of optical parametric amplification and the phase of the pumping field. We show that the nonlinear gain coefficient and the phase of the pump field will affect the coupling strength between photon and magnon, which provides a way to achieve more obvious fast and slow light effects and good potential to realize the fast-slow light conversion. Moreover, by comparing two different temperatures, we find that the low temperature environment is more conducive to the production of fast light and slow light. With the addition of the squeezing drive field, the group delay of the system will get a larger value and the symmetry of the system will be destroyed, leading to asymmetric absorption. Our results provide more freedom for the realization and conversion of fast and slow light and is expected to find applications in optical communication and optical storage.

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