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Net 300 Gbps/位 Transmission Over 2 km of SMF With a Silicon Photonic Mach-Zehnder Modulator
IEEE Photonics Technology Letters ( IF 2.3 ) Pub Date : 2021-10-29 , DOI: 10.1109/lpt.2021.3124196
Md Samiul Alam , Xueyang Li , Maxime Jacques , Essam Berikaa , Ping-Chiek Koh , David V. Plant

Employing our 47 GHz bandwidth silicon photonic (SiP) traveling wave Mach-Zehnder modulator (TW-MZM), we demonstrate the transmission of 134 Gbaud PAM-4 (net 250 Gbps) at a BER below the 6.7% overhead hard-decision forward error correction (HD-FEC) threshold of 3.8 ×10−3\times \,\,10^{-3} over 2 km of standard single-mode fiber (SSMF) in the O-band with only linear feed- forward equalizer (FFE). With the aid of non-linear pre-distortion and FFE, we transmit 115 Gbaud PAM-8 (net 288 Gbps) and net 305 Gbps PS-PAM-8 above the 19.02% overhead soft-decision FEC with a normalized general mutual information (NGMI) threshold of 0.8798. These results are the highest reported net rates for an all-silicon modulator in an intensity modulation direct-detection (IM/DD) system.

中文翻译:


使用硅光子 Mach-Zehnder 调制器在 2 km 的 SMF 上实现 300 Gbps/位的净传输



利用我们的 47 GHz 带宽硅光子 (SiP) 行波 Mach-Zehnder 调制器 (TW-MZM),我们演示了 134 Gbaud PAM-4(净速率 250 Gbps)的传输,BER 低于 6.7% 开销硬判决前向误差仅使用线性前馈均衡器的 O 频段中 2 km 标准单模光纤 (SSMF) 的校正 (HD-FEC) 阈值为 3.8 ×10−3\times \,\,10^{-3} ( FFE)。借助非线性预失真和 FFE,我们传输 115 Gbaud PAM-8(净值 288 Gbps)和净值 305 Gbps PS-PAM-8,其开销高于 19.02% 的开销软决策 FEC,并具有归一化通用互信息( NGMI)阈值为 0.8798。这些结果是强度调制直接检测 (IM/DD) 系统中全硅调制器报告的最高净速率。
更新日期:2021-10-29
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