C. D. SuL. A. WangLON A. WANG2018-09-102018-09-101999-10http://scholars.lib.ntu.edu.tw/handle/123456789/352320[SDGs]SDG7Effect of adding a long period grating in a double-pass backward Er-doped superfluorescent fiber sourcejournal article10.1109/50.7937732-s2.0-0033315530WOS:000083006300023