Real-Time Demonstration of Silicon-Photonics-Based QSFP-DD 400GBASE-DR4 Transceivers for Datacenter Applications

We demonstrate a real-time silicon-photonics-based 400GBASE-DR4 transceiver packaged in a QSFP-DD form factor. The performance of the transmitter including TDECQ, extinction ratio and OMA and receiver sensitivity are measured, all satisfying IEEE 400GBASE-DR4 specifications.

[1]  Fan Zhang,et al.  Up to Single Lane 200G Optical Interconnects with Silicon Photonic Modulator , 2019, 2019 Optical Fiber Communications Conference and Exhibition (OFC).

[2]  Jie Sun,et al.  A 112 Gb/s PAM4 Transmitter with Silicon Photonics Microring Modulator and CMOS Driver , 2019, 2019 Optical Fiber Communications Conference and Exhibition (OFC).

[3]  S. Chandrasekhar,et al.  Four-Channel 100-Gb/s Per Channel Discrete Multitone Modulation Using Silicon Photonic Integrated Circuits , 2016, Journal of Lightwave Technology.