@incollection{Liu11, author = {Jau-Ji Jou and Cheng-Kuang Liu}, title = {Equivalent Circuit Models for Optical Amplifiers}, booktitle = {Advances in Optical Amplifiers}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {Paul Urquhart}, chapter = {15}, doi = {10.5772/14342}, url = {https://doi.org/10.5772/14342} }