| 摘要 |
PROBLEM TO BE SOLVED: To provide a high output ASE light source that has a simple structure using a common stimulation light source in C band (1530-1560nm) and L band (1560-1600nm). SOLUTION: A stimulation light source 6 and an output end 1 are connected with one end of an Erbium added fibre 4, one end of a reflection body 7 or an Erbium added fiber 8 is selectively connected with the other end thereof by means of an optical switch 5, and a reflection body 9 is connected with the other end of the Erbium added fiber 8. COPYRIGHT: (C)2004,JPO
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