100 Gb/s/λ Duo-Binary PAM-4 Transmission Using 25G Components Achieving 50 km Reach

被引：15
|
作者：
Saber, Md Ghulam [1 ]
Gutierrez-Castrejon, Ramon [1 ,2 ]
Alam, Md Samiul [1 ]
Xing, Zhenping [1 ]
El-Fiky, Eslam [1 ]
Xu, Luhua [1 ]
Cavaliere, Fabio [3 ]
Vall-Llosera, Gemma [4 ]
Lessard, Stephane [5 ]
Plant, David, V [1 ]
机构：
[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 0E9, Canada
[2] Univ Nacl Autonoma Mexico, Inst Engn, Mexico City 04510, DF, Mexico
[3] Ericsson, Via Giuseppe Moruzzi, I-56124 Pisa, Italy
[4] Ericsson Res, S-16480 Stockholm, Sweden
[5] Ericsson, Montreal, PQ H4S 0B6, Canada
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2020年 / 32卷 / 03期
关键词：
5G fronthaul; silicon photonics; optical access network; partial response signaling; duo-binary;
D O I：
10.1109/LPT.2019.2962326
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：
We demonstrate 100 Gb/s/lambda duo-binary PAM-4 (DB-PAM-4) transmission over 50 km standard single-mode fiber (SMF) in the O- band using a 20G silicon-based transmitter and a 25G optically-amplified PIN+TIA-based receiver for 100G PON downstream applications. Receiver sensitivities of -15, -14.5 and -12 dBm are achieved at a bit error rate (BER) below the low-density parity-check forward error correction (LDPC-FEC) threshold (i.e., 1x10(-2)) in back-to-back (B2B), and after 20 and 50 km, respectively using a 131-tap linear feed-forward equalizer (FFE) at the receiver. According to the results, a power budget of 20 dB can be achieved for 20 km transmission. Furthermore, we report the performance of 99 Gb/s (33 Gbaud) PAM-8 transmission and show that DB-PAM-4 provides 5.3 dB better sensitivity compared to PAM-8 at the LDPC-FEC threshold.
引用
收藏
页码：138 / 141
页数：4
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