期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 13, 期 5, 页码 439-441出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/68.920744
关键词
clad-pumping; fiber lasers; isometric; multicore fiber; phase-locking
We observed a high-brightness laser beam emitted from a closely packed array of seven Yb-doped single-mode fiber lasers embedded in a common cladding. The measured slope efficiency, greater than 65%, was achieved by clad-pumping from one end of the fiber. A theoretical model is established to provide a physical interpretation of the measured far field radiation patterns.
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