The pulsewidth of data will be distorted because of the nonlinear channel.The laser driver controls the pulsewidth, and achieves low circuit complexity in high speed communication.

• 因为资料传送经过序列串列转换器会产生波形宽度的失真，所以雷射驱动器需要控制波形宽度，并且希望使用低复杂性的电路达到高传输速率下的波形宽度控制；