Experimental study demonstrates oxide VCSEL bandwidth and reliability at 106 Gbd PAM-4, highlighting feasibility for 200Gb/s per lane artificial intelligence data centers.
The connectivity demands of high performance computing (HPC), artificial intelligence (AI) and data centers is driving the development of a new generation of multimode optical components. This paper will discuss the vertical cavity surface emitting laser (VCSEL) bandwidth and noise performance needed to support 106 Gbd line rates with PAM-4 modulation for 200Gb/s per lane multimode optical links. VCSEL device performance and associated wear out life will be presented.
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Wang et al. (2025) studied this question.
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