论文信息 - Hybrid integration of smart pixels by using polyimide bonding: demonstration of a GaAs p-i-n photodiode/CMOS receiver

Hybrid integration of smart pixels by using polyimide bonding: demonstration of a GaAs p-i-n photodiode/CMOS receiver

The fabrication procedure of smart pixels based on a hybrid integration of compound semiconductor photonic devices with silicon CMOS circuits is described. According to the 0.8-/spl mu/m design rule, CMOS receiver/transmitter circuits are designed for use in vertical-cavity surface-emitting laser (VCSEL)-based smart pixels, and 16/spl times/16 and 2/spl times/2 Banyan-switch smart-pixel chips are also designed. By using our polyimide bonding technique, we integrated GaAs pin-photodiodes hybridly on the CMOS circuits. The photodetector (PD)/CMOS hybrid receiver operated error free at up to 800 Mb/s. Successful optical/optical (O/O) operation (a bit rate up to 311 Mbit/s) of the 2/spl times/2 Banyan-switch smart-pixel chip implemented with another VCSEL chip is also demonstrated.

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