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Optical interconnections for mega-data centers will require longer link lengths than can be readily provided with today’s low-cost vertical-cavity surface-emitting laser (VCSEL)-based multi-mode technologies. We demonstrate a solution based on 1065-nm single-mode bottom emitting VCSELs to transmit data at 50 Gb/s using four-level pulse-amplitude modulation over a distance of 2 km using a standard...
A multimode fiber infrastructure can be used to support single-mode Silicon Photonics by coupling only to the lowest-order mode of the fiber. This allows Silicon Photonics to share a common fiber infrastructure with multimode VCSELs.
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