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. The vertical-cavity surface-emitting laser (VCSEL / ˈvɪksəl /) is a type of semiconductor laser diode with laser beam emission perpendicular from the top surface, contrary to conventional edge-emitting semiconductor lasers (also called in-plane lasers) which emit from surfaces formed by cleaving. This PDF file contains the front matter associated with SPIE Proceedings Volume 13384, including the Title Page, Copyright information, Table of Contents, and Conference Committee information. Vertical-cavity surface-emitting lasers (VCSELs) having a small aperture and operating in a single. The SPIE Digital Library offers a comprehensive range of content on Vertical Cavity Surface Emitting Lasers (VCSELs), covering various aspects of their development, applications, and advancements. The latest commercial VCSELs operate at data rates of up to 28 Gb/s, but it is expected. Optical based data busses will have higher performance (e. ), lower weight and power, and reduced sensitivity to electromagnetic effects than copper-based alternatives. Experience at NASA has shown that fiber optic busses also make integration of a spacecraft easier and more. A highly strained InGaAs quantum well (QW) vertical-cavity surface-emitting laser (VCSEL) with low threshold current density, high efficiency and output power emissions around 1130 nm was grown by MOCVD. Its static characteristics at room temperature and high operation temperature were studied in.