Arista's 400ZR optical transceivers are software tunable, pluggable, DWDM, coherent optical modules that are compliant to the OIF-400ZR standard, ensuring industry wide interoperability. 400ZR transceivers provide 400Gb/s of optical bandwidth over a single optical wavelength. REALSEA Optical delivers cutting-edge 200G, 400G & 800G high-speed optical modules, AOC and DAC solutions to Switzerland's data centers, cloud infrastructure, financial networks, and 5G telecom operators — with factory-direct pricing, strict quality control, and global logistics support. The module also supports other fiber types, such as hollow-core fibers. Digital diagnostics functions are available via a TWI interface as CMIS specified. It boasts a. Polariton Technologies announces having achieved experimental IM/DD data rate in excess of 400 GBit/s per lane using commercial off-the-shelf ring resonator modulators in a collaboration with its research partner ETH Zurich and material supplier Lightwave Logic Inc. We develop, manufacture and integrate optics, mechanics and electronics into innovative system solutions. The product solutions include 100G-ER1, 400G-ER4, 400G-DR4/800G-DR8 transceiver modules, 100G-400G coherent optical subassembly (COSA) modules.