Booster Optical Amplifiers (BOAs) are single-pass, traveling-wave amplifiers that perform well with both monochromatic and multi-wavelength signals. Since BOAs only amplify one state of polarization, they are best suited for applications where the input polarization of the light is. Booster Optical Amplifiers (BOAs), designed for handling significant input signals (typically around 10dBm), are available in both submount and fiber-coupled configurations. These. A Booster Amplifier is primarily used to increase the strength of a weak signal in long distance. It incorporates a highly efficient InP/InGaAsP Quantum Well (QW) layer structure and a reliable ridge waveguide design. It is housed in a standard 14 pin butterfly package with.