Our 400G pluggable DCOs are powered by the PSE-V Compact (PSE-Vc), part of the PSE-V family of coherent optics. The PSE-Vc supports operation at a variety of baud rates from 30 to 69GBaud. It is an ideal choice for scaling network capacity in access, metro aggregation and. Our pluggable coherent optical modules support a variety of data rates, including 100Gb/s and 400Gb/s to enable application optimization based on capacity, distance and port type. The QDCO1 operates at. 400G Optical Module by Application (Data Communication, Telecom, Other), by Types (Less Than 1 km, 1 km, 2 km, 10 km, Others), by North America (United States, Canada, Mexico), by South America (Brazil, Argentina, Rest of South America), by Europe (United Kingdom, Germany, France, Italy, Spain. From cloud data centers to metro and long-haul networks, 400G—particularly coherent variants like ZR and ZR+—is helping eliminate bandwidth bottlenecks and support the growing demands of AI, big data, and next-generation digital services. 6T modules edge closer to reality. This article unpacks the technologies powering this leap (silicon photonics, advanced modulation, and co-packaged optics), compares deployment. LPO Series — EU-Tested Low-Power Optical Transceivers Next-generation 400G and 800G modules for data centers, AI clusters, and telecoms — validated in a European lab, ready to ship from Europe. What is Low-Power Optical Transceivers (LPO)? Linear Pluggable Optics (LPO) replace the DSP inside the. For 2026 deployments, prioritizing LPO-ready 400G optics is critical for both energy efficiency and 800G readiness Quick Answer: What are 400G Optical Modules? 400G optical modules are high-speed transceivers using PAM4 modulation and multi-lane architectures to enable ultra-high bandwidth.