Coherent reports significant advancement in vcsel performance for next-gen ai networks

Pittsburgh, march 25, 2024 (globe newswire) -- coherent corp. (nyse: cohr), a global leader in materials, networking, and lasers, announced today that it has made a significant breakthrough in improving the bandwidth of its vertical-cavity surface-emitting laser (vcsel), paving the way for use in next-generation optical interconnects that will operate at 200 gbps per lane and thereby enabling optical transceivers with 1.6 tbps capacity. this improvement comes in the form of lithographic-aperture vcsels, marking a significant departure from the oxide-aperture vcsels that are the state-of-the-art vcsels used in ai networks today.
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