[1] R Won. Integrating silicon photonics. Nat Photonics, 4, 498(2010).
[2] H Chen, P Verheyen, P de Heyn et al. –1 V bias 67 GHz bandwidth Si-contacted germanium waveguide p-i-n photodetector for optical links at 56 Gbps and beyond. Opt Express, 24, 4622(2016).
[3] S Lischke, D Knoll, C Mai et al. High bandwidth, high responsivity waveguide-coupled germanium p-i-n photodiode. Opt Express, 23, 27213(2015).
[4] F Boeuf, A Fincato, L Maggi et al. A silicon photonics technology for 400 gbit/s applications. 2019 IEEE Int Electron Devices Meet, 33.1.1(2019).
[5] L Virot, D Benedikovic, B Szelag et al. Integrated waveguide PIN photodiodes exploiting lateral Si/Ge/Si heterojunction. Opt Express, 25, 19487(2017).
[6] M Jutzi, M Berroth, G Wohl et al. Ge-on-Si vertical incidence photodiodes with 39-GHz bandwidth. IEEE Photonics Technol Lett, 17, 1510(2005).
[7] L Reggiani, C Canali, F Nava et al. Hole drift velocity in germanium. Phys Rev B, 16, 2781(1977).
[8] E Rouvalis, M Chtioui, F van Dijk et al. 170 GHz uni-traveling carrier photodiodes for InP-based photonic integrated circuits. Opt Express, 20, 20090(2012).
[9] S Lischke, A Peczek, J S Morgan et al. Ultra-fast germanium photodiode with 3-dB bandwidth of 265 GHz. Nat Photonics, 15, 925(2021).
[10] T H Windhorn, L W Cook, G E Stillman. The electron velocity-field characteristic for n-In0.53Ga0.47As at 300 K. IEEE Electron Device Lett, 3, 18(1982).
[11] X L Li, Z Liu, L Z Peng et al. High-performance germanium waveguide photodetectors on silicon. Chin Phys Lett, 37, 038503(2020).