error free operation with -12 dBm input power. Additionally, … In this paper, we present 2 different waveguidecoupled SiGe APDs. One APD is designed for 100 …
We present two different waveguide coupled SiGe APDs. We report 25 Gb/s error free operation with -12 dBm input power. Additionally, 112 Gb/s PAM-4 operation below the KP4-FEC threshold of 2.0 × 10 -4 is reported.