Self-coherent optical detection for access and metro networks

The 5G-enabled mobile services along with other broadband services will bring unprecedented bandwidth demand on optical networks. In this context, access and optical metropolitan networks will be at the heart of surging demand for high bandwidth, more flexibility, and reduced cost per unit bandwidth. In this paper, we present recent results on the proposed high-performance and low-cost optical transceiver paradigms. By exploiting the Kramers-Kronig (KK) algorithm and minimum phase concept, we reconstruct the single sideband (SSB) signal phase based on its intensity information. Also, we address the conventional KK algorithms technical challenges such as spectral broadening and stringent requirement on the tone power. Simulation results are presented for models’ validation.