Coaxial DFB Laser use InGaAsP/InP MQW chip. They have features as follows: Low noise, low distortion, high isolation excellent, reliability and wide communication band. The laser diode is mounted into a coaxial package with single mode fiber pigtail.

Features
High-reliabilty DFB Laser chips
Low noise, low distortion Low threshold current
Integrated Optical lsolator
Coaxial Pigtail Package

Application
Analog transmission system