首页> 外文期刊>Optical fiber technology >EML based real-time 112 Gbit/s (2 × 56.25 Gbit/s) PAM-4 signal transmission in C-band over 80 km SSMF for inter DCI applications
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EML based real-time 112 Gbit/s (2 × 56.25 Gbit/s) PAM-4 signal transmission in C-band over 80 km SSMF for inter DCI applications

机译:基于EML的实时112 Gbit / s(2×56.25 Gbit / s)PAM-4信号在80 km SSMF的C波段中传输,适用于DCI间应用

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摘要

We report on an electro-absorption modulator (EAM) integrated laser (EML) based real-time 112 Gbit/s (2 x 56.25 Gbit/s) 4-level pulse amplitude modulation (PAM-4) signal transmission in the C-band over 80 km of standard single-mode fiber (SSMF). Various operating conditions of the EAM were investigated to find the optimum driving conditions for PAM-4 modulation. When the EAM reverse bias was set to the inflection point of the transfer curve, which was -2.35 V, we obtained a bit error ratio (BER) of 4 x 10(-8), which is well below the forward error correction (FEC) limit. The results demonstrate the feasibility of using EMLs for implementation in PAM-4 transceivers for inter-datacenter interconnection (inter-DCI) applications.
机译:我们报告基于C波段的实时112 Gbit / s(2 x 56.25 Gbit / s)4级脉​​冲幅度调制(PAM-4)信号传输的电吸收调制器(EAM)集成激光器(EML)超过80公里的标准单模光纤(SSMF)。研究了EAM的各种工作条件,以找到PAM-4调制的最佳驱动条件。将EAM反向偏置设置为传输曲线的拐点为-2.35 V时,我们获得的误码率(BER)为4 x 10(-8),远低于正向纠错(FEC) )限制。结果证明了使用EML在数据中心间互连(inter-DCI)应用的PAM-4收发器中实施的可行性。

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