Figure 9. Schematic SOA Applications as Booster and pre-amplifier. Inspired from

From

A Technical Review on Semiconductor Optical Amplifiers (SOAs) and their Applications

Gourav Misra, Arun Agarwal, Saurabh Narendra Mehta

American Journal of Electrical and Electronic Engineering. 2024, 12(2), 8-13 doi:10.12691/ajeee-12-1-2