Topological optomechanical amplifier with synthetic $\mathcal{P}\mathcal{T}$-symmetry

Jian-Qi Zhang, Jing-Xin Liu, Hui-Lai Zhang +6

We propose how to achieve synthetic $\mathcal{P}\mathcal{T}$ symmetry in optomechanics without using any active medium. We find that harnessing the Stokes process in such a system can lead t…