Modulational instability in $\mathcal{P}\mathcal{T}$-symmetric Bragg grating structures with four-wave mixing

I. Inbavalli, K. Tamilselvan, A. Govindarajan +2

We investigate the dynamics of modulational instability (MI) in $\mathcal{P}\mathcal{T}$-symmetric fiber Bragg gratings with a phenomenon of intermodulation known as four-wave mixing (FWM). Altho…