Photonics Research, Volume. 8, Issue 7, 1118(2020)
64 Gb/s low-voltage waveguide SiGe avalanche photodiodes with distributed Bragg reflectors Editors' Pick
Fig. 1. (a) Schematic of a waveguide SiGe APD integrated with a DBR. (b) SEM cross-section view of an APD. (c) Top views of FDTD simulated photo-carrier generation profiles for
Fig. 2. (a) Dark and photo current versus bias voltage with input optical power of
Fig. 3. Experimental setup for eye diagram and BER measurement: MZ, Mach–Zehnder; EDFA, erbium-doped fiber amplifier; BPF, bandpass filter; DUT, device under test; Scope, sampling oscilloscope; BERT, bit error rate tester.
Fig. 4. Measured 64 Gb/s PAM4 eye diagrams for
Fig. 5. 32 Gb/s NRZ and 64 Gb/s PAM4 BERs versus received average optical power with a 5 dB ER for
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Binhao Wang, Zhihong Huang, Yuan Yuan, Di Liang, Xiaoge Zeng, Marco Fiorentino, Raymond G. Beausoleil, "64 Gb/s low-voltage waveguide SiGe avalanche photodiodes with distributed Bragg reflectors," Photonics Res. 8, 1118 (2020)
Category: Optoelectronics
Received: Feb. 13, 2020
Accepted: May. 4, 2020
Published Online: Jun. 4, 2020
The Author Email: Binhao Wang (binhao.wang@hpe.com)