56 Gbps externally modulated widely tunable lasers with SOA boosters heterogeneously integrated on silicon. - Souleiman A; Neel D; Besancon C; Vaissiere N; Malhouitre S; Hassan K; Decobert J; Bitauld D; Benkelfat B; Merghem K; Ramirez JM (Optics express, 2024)