X Li, L Peng, Z Liu, Z Zhou, J Zheng, C Xue… - Photonics …, 2021 - opg.optica.org
We report the demonstration of a normal-incidence pin germanium-tin (Ge_0. 951Sn_0.
049) photodetector on silicon-on-insulator substrate for 2 μm wavelength application. The …