0.08 fF, 0.72 nA dark current, 91% Quantum Efficiency, 38 Gb/s Nano-photodetector on a 45 nm CMOS Silicon-Photonic Platform

2024/01/07 by Fu, Mingye, Yoo, S. J. Ben · 1 citation
#Applied Physics (physics.app-ph) #FOS: Physical sciences #Optics (physics.optics)

paper · doi:10.48550/arxiv.2401.03527

Abstract

We demonstrated a Germanium-on-Silicon photodetector utilizing an asymmetric-Fabry-Perot resonator with 0.08 fF capacitance. The measurements at 1315.5 nm show 0.72 nA (3.40 nA) dark current, 0.93 A/W (0.96 A/W) responsivity, 36 Gb/s (38 Gb/s) operation at -1V (-2V) bias.

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