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Chapter 5 Dynamic and Static Gain Changes of Optical Amplifiers at ROADM Nod... - Pg. 117
CHAPTER Dynamic and Static Gain Changes of Optical Amplifiers at ROADM Nodes * 5 118 118 119 119 120 120 Etsuko Ishikawa,* Setsuhisa Tanabe,** Masato Nishihara x , Youichi Akasaka z Fujitsu Limited, ** Kyoto University, x Fujitsu Laboratories LTD, z Fujitsu Laboratories of America Inc. CHAPTER OUTLINE HEAD 5.1. EDFA S in ROADM-BASED systems .................................................................. 5.1.1. System model of ROADM ........................................................... 5.1.2. Dynamic change in optical amplifiers .......................................... 5.1.3. Static changes in optical amplifiers ............................................. 5.2. Optical power surge in Edfa and its suppression............................................ 5.2.1. The reason for power excursion ...................................................
