Design and Measurement of a High Speed 2.5 Gbits/sec Laser Drive

摘要

In this paper the design and measurement of a 2.5 V CMOS laser drive are presented, which is able to drive Fabry-Perot as well as VCSEL laser diodes at a bit rate of 2.5 Gbits/sec. The inputs of the circuit are PECL compliant. The circuit has a programmable bias current ranging from 0 to 60 mA and a programmable modulation current ranging from 0 to 30 mA. The design is realised in UMC 0.25U CMOS