$\mathcal{P}\mathcal{T}$ symmetric phase transition and single-photon transmission in an optical trimmer system

L. F. Xue, Z. R. Gong, H. B. Zhu +1

The parity-time ($\mathcal{P}\mathcal{T}$) symmetric structures have exhibited potential applications in developing various robust quantum devices. In an optical trimmer with balanced loss a…