Experimental Demonstration of an Optical Second-Order Volterra Nonlinear Filter using Wave Mixing and Delays to Equalize a 20-Gbaud 4-APSK Channel.
Kaiheng ZouPeicheng LiaoHuibin ZhouAhmad FallahpourAmir MinoofarAhmed AlmaimanFatemeh AlishahiMoshe TurAlan E. WillnerPublished in: OFC (2020)