V. Cristofori, Francesco Da Ros, O. Ozolins, M. Chaibi, L. Bramerie, Yunhong Ding, X. Pang, A. Shen, A. Gallet, G. Duan, K. Hassan, S. Olivier, S. Popov, G. Jacobsen, L. Oxenl⊘we, C. Peucheret
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引用次数: 5
摘要
实验研究了采用微环谐振器(MRR)提高直接调制激光器(DML)的调制消光比和色散容,并提出了用于下一代数据中心通信的比特率为25 Gb/s。该系统结合了一个11 ghz 1.55 μm直接调制的III-V/SOI混合DFB激光器,该激光器通过在绝缘体上硅(SOI)晶圆上键合III-V材料(InGaAlAs)和一个同样在SOI上制造的硅MRR实现。这种发射机可以在2.5 km SSMF上以25gb /s的数据速率实现无差错传输(BER< 10−9),无需色散补偿和前向纠错(FEC)。由于激光和MRR都是在SOI平台上制造的,因此它们可以组合成一个具有增强性能的单一设备,从而为短距离应用提供具有成本效益的发射机。
25-Gb/s transmission over 2.5-km SSMF by silicon MRR enhanced 1.55-μm III-V/SOI DML
The use of a micro-ring resonator (MRR) to enhance the modulation extinction ratio and dispersion tolerance of a directly modulated laser (DML) is experimentally investigated with a bit rate of 25 Gb/s as proposed for the next generation data center communications. The investigated system combines a 11-GHz 1.55-μm directly modulated hybrid III-V/SOI DFB laser realized by bonding III-V materials (InGaAlAs) on a silicon-on-insulator (SOI) wafer and a silicon MRR also fabricated on SOI. Such a transmitter enables error-free transmission (BER< 10−9) at 25 Gb/s data rate over 2.5-km SSMF without dispersion compensation nor forward error correction (FEC). As both laser and MRR are fabricated on the SOI platform, they could be combined into a single device with enhanced performance, thus providing a cost-effective transmitter for short reach applications.