As illustrated in FIGS. 1, 2, and 3 prior art also shows that a VCSEL's n-metal contact 27 (FIG. 1) and the VCSEL's n-metal contact-ring 26 (FIG. 2) are typically formed onto the top and outermost surface of the VCSEL's first contact-layer 25 (FIG. 3), by disposing any suitable conductive material, such as Indium-Tin-Oxide, Gold, Zinc, Platinum, Tu