Space-division multiplexing(SDM)offers a promising route to scaling data throughput in fiber-optic networks,but it also introduces challenges such as mode-dependent loss(MDL)and intermodal crosstalk,which increase the...Space-division multiplexing(SDM)offers a promising route to scaling data throughput in fiber-optic networks,but it also introduces challenges such as mode-dependent loss(MDL)and intermodal crosstalk,which increase the computational load on digital signal processing(DSP).Periodic mode mixing has been shown to mitigate these effects by redistributing loss and gain across modes and shortening the effective temporal impulse response over which crosstalk accumulates.In this work,we present a novel and compact mode-scrambling device,3D printed directly onto the facet of a few-mode fiber.展开更多
基金Horizon 2020 Framework Programme(619732)Ministry of Innovation,Science and Technology,Fulbright U.S.Scholar Program。
文摘Space-division multiplexing(SDM)offers a promising route to scaling data throughput in fiber-optic networks,but it also introduces challenges such as mode-dependent loss(MDL)and intermodal crosstalk,which increase the computational load on digital signal processing(DSP).Periodic mode mixing has been shown to mitigate these effects by redistributing loss and gain across modes and shortening the effective temporal impulse response over which crosstalk accumulates.In this work,we present a novel and compact mode-scrambling device,3D printed directly onto the facet of a few-mode fiber.