Coherent optical orthogonal frequency-division multiplexing for optical slot switched intra-datacenters networks

We propose low-overhead CO-OFDM-based flexible transponders for OSS intra-datacenter networks. Experimental validation is performed for up to 100 cascaded nodes, showing 50Gbps higher average rate, 40% extended reach, and >4GHz extra detuning tolerance than the Nyquist counterpart.