<p>➀ ECOC2024 showcased EML advancements, focusing on bandwidth enhancement through capacitor optimization.</p><p>➁ Broadcom presented a hybrid CMBH-Ridge O波段EML with 75GHz 3dB BW and 7dBm output power, suitable for PAM4 (240 Gbits/s) applications.</p><p>➂ Orange and Sumitomo's DFB-EAM-SOA achieved +13.3 dBm average emission power for 50G PON, exceeding D-level requirements.</p><p>➃ III-V-on-Si chip-on-EML demonstrated by III-V Lab, Nokia, offered 16 mW chip power and 22 GHz bandwidth.</p><p>➄ McGill University and Lumentum Japan achieved 200 Gbps IM/DD transmission over 80 km using InP EML and QD-SOA.</p>