40-Gb/s PAM-4 Transmission Over a 40 km Amplifier-Less Link Using a Sub-5V Ge APD

被引：6
|
作者：
Verbist, Jochem [1 ,2 ]
Lambrecht, Joris [1 ]
Moeneclaey, Bart [1 ]
Van Campenhout, Joris [3 ]
Yin, Xin [1 ]
Bauwelinck, Johan [1 ]
Roelkens, Gunther [2 ]
机构：
[1] Univ Ghent, Dept Informat Technol, IDLab, IMEC, B-9052 Ghent, Belgium
[2] Univ Ghent, Dept Informat Technol, Photon Res Grp, IMEC, B-9052 Ghent, Belgium
[3] IMEC, B-3001 Leuven, Belgium
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2017年 / 29卷 / 24期
关键词：
Avalanche photodiode; PAM-4; optical receiver; silicon photonics; TDM-PON; AVALANCHE PHOTODIODES; DOWNSTREAM;
D O I：
10.1109/LPT.2017.2757608
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Avalanche photodetectors (APDs) integrated in a silicon platform have the potential to significantly improve the link budget of optical links compared with conventional p-i-n photodetectors, while only requiring CMOS-friendly biasing voltages. We demonstrate an optical receiver based on a 1310nm <5V Germanium APD and a low-power transimpedance amplifier that offers a 5 to 6 dB sensitivity improvement compared with operation in PIN-mode. Sub-FEC transmission using PAM-4 in an amplifier-less link over more than 42km at 40Gb/s and over 10 km at 50 Gb/s is shown with a commercial directly modulated laser as transmitter.
引用
收藏
页码：2238 / 2241
页数：4
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