Tower Semiconductor (TSEM) and Coherent (COHR) announced a demonstration of 400 Gbps/lane data transmission using a silicon modulator built in a production-ready silicon photonics process. This achievement targets next-generation 3.2T optical transceivers and extends the capabilities of silicon for pluggable transceivers and Co-Packaged Optics in datacenter connections. Details of the modulator were presented last week at OFC. The demonstration showed a clear open eye at 420 Gb/s PAM4, and utilized Coherent’s InP CW high power laser.
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