Heterogeneous balanced photodetector on silicon nitride with 30 GHz bandwidth and 26 dB common mode rejection ratio. - Junyi Gao; Ta Ching Tzu; Tasneem Fatema; Xiangwen Guo; Qianhuan Yu; Gabriele Navickaite; Michael Zervas; Michael Geiselmann; Andreas Beling (OFC, 2023)