This paper presents a 50 Gb/s per lane hybrid BiC-MOS and silicon photonic integrated circuit for use in fiber optic communications. Fine pitch copper pillars are used to integrate electronics and silicon photonics. The resulting device demonstrates the generation and detection of up to 56 Gb/s NRZ optical signals over 2-km standard single-mode fiber at 1310-nm wavelength. At 40 Gb/s, the link operates error free, and at 56 Gb/s well below KR4 RS-FEC operating BER. The power dissipation of TX including CW laser is 600 mW (450-mW driver, 150-mW CW laser), RX is 150 mW, resulting in total per channel of less than 750 mW.

Using hybrid integration of electronics and silicon photonics integrated circuits, we demonstrate the generation and detection of up to 56Gb/s NRZ optical signals over 2km standard single mode fiber at 1310nm wavelength. The link operates error free at 40Gb/s and under KR4 FEC threshold at 56Gb/s.

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