Progress on High-Speed 980 nm VCSELs for Short-Reach Optical Interconnects

Figure 1

Electrical parasitic capacitances and resistances in VCSEL (a) and the corresponding equivalent circuit with two parallel capacitances 𝐶_𝑜 and 𝐶_𝑗 combined together to 𝐶_𝑎 and resistances of the both mirrors 𝑅_mt and 𝑅_mb joined to 𝑅_𝑚 (b).

(a)

(b)