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Cryogenic Oxide-VCSELs with Bandwidth over 50 GHz at 82 K for Next-Gen High-Speed Computing

Wenning Fu, Haonan Wu, Dufei Wu, Milton Feng, and Dennis Deppe

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Abstract

A Cryo-VCSEL with f-3db > 50 GHz has been demonstrated at 82 K. Preliminary 44- Gb/s NRZ and 51.5625-Gb/s PAM-4 transmission for an optical data link from cryogenic environment to room temperature with a packaged 50-GHz oxide-VCSEL at 77 K are reported.

© 2021 The Author(s)

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