25-Gb/s Transmission Over 2.5-km SSMF by Silicon MRR Enhanced 1.55-mu m III-V/SOI DML

Valentina Cristofori, Francesco Da Ros, Oskars Ozolins, Mohamed E. Chaibi, Laurent Bramerie, Yunhong Ding, Xiaodan Pang, Alexandre Shen, Antonin Gallet, Guang-Hua Duan, Karim Hassan, Segolene Olivier, Sergei Popov, Gunnar Jacobsen, Leif Katsuo Oxenløwe, Christophe Peucheret

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The use of a micro-ring resonator (MRR) to enhance the modulation extinction ratio and dispersion tolerance of a directly modulated laser 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-mu m 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 standard single mode fiber without dispersion compensation nor forward error correction. 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.
Original languageEnglish
JournalI E E E Photonics Technology Letters
Issue number12
Pages (from-to)960-963
Publication statusPublished - 2017


  • Photonic integrated circuits
  • Resonators filters
  • Optical transmitters


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