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	High-order modes suppression in large-mode-area fiber amplifiers and lasers by controlling the mode power allocations
	Gong, Mali ; Liao, Suying ; Yuan, Yanyang ; Zhang, Haitao
	2010-10-12 ; 2010-10-12
关键词	large-mode-area fiber fiber amplifier modal weight factor filter fiber modal superposition weight growth rate BEND-DISTORTION Optics
中文摘要	The modal weight factors and their changing properties in large-mode-area fibers are investigated when the optical beam propagates from one fiber into another one with a different cross-sectional structure. Based on a weighted mode power superposition theory, a novel scheme of inserting a filter fiber to change the power allocation among the co-existing modes in active fibers is proposed. In order to verify the effectiveness of this method in practical implementations, the mode power propagation of a fiber laser and a fiber amplifier with an inserted filter fiber are calculated, respectively. Compared with the cases without a filter fiber, the numerical results show an obvious suppression effect of high-order modes.
语种	英语 ; 英语
出版者	IOP PUBLISHING LTD ; BRISTOL ; DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80442]
专题	清华大学
推荐引用方式 GB/T 7714	Gong, Mali,Liao, Suying,Yuan, Yanyang,et al. High-order modes suppression in large-mode-area fiber amplifiers and lasers by controlling the mode power allocations[J],2010, 2010.
APA	Gong, Mali,Liao, Suying,Yuan, Yanyang,&Zhang, Haitao.(2010).High-order modes suppression in large-mode-area fiber amplifiers and lasers by controlling the mode power allocations..
MLA	Gong, Mali,et al."High-order modes suppression in large-mode-area fiber amplifiers and lasers by controlling the mode power allocations".(2010).

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