A 1.4 Gb/s 12-channel parallel laser diode driver IC for optical interconnections

Abstract

The authors present a 12-channel parallel laser diode (LD) driver with 16.8 Gb/s throughput. The driver IC creates skew-free output and provides temperature compensation of the optical power of the LD. The IC also suppresses ringing oscillation and crosstalk. The die is 2.5x3.5 mm/sup 2/ using a 15 GHz f/sub /spl tau// Si bipolar process. The power supply voltage is 5 V and the power consumption is 4.2 W including the PECL level input signal consumption of 1.1 W and the output signal consumption of 2.0 W at 3l mApp + 2 mA bias.