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	High pump conversion efficiency and broad L-band ASE source by using Sagnac feedback loop
	Jiang Qiao-feng ; Liu Xiao-ming ; Ni Yi ; Wang Qing
	2010-05-06 ; 2010-05-06
关键词	Theoretical or Mathematical/ erbium laser feedback optical fibre communication optical pumping population inversion superradiance/ high pump conversion efficiency broad L-band ASE source Sagnac feedback loop optical wideband source L-band amplified spontaneous emission erbium doped fiber secondary pumping mechanism C-band power inversion population fiber communication technique 125 mW 980 nm/ A4230Q Optical communication A4255B General theory of lasing action A4281 Fibre optics and fibre waveguides B6260 Optical communication B4125 Fibre optics/ power 1.25E-01 W wavelength 9.8E-07 m/ Er/ss Er/el Er/dop
中文摘要	Optical wideband source of L-band amplified spontaneous emission (ASE) from erbium doped fiber has extensive application in fiber sensors and device testing; here the pump power conversion is one of the key technique. In this work, based on the secondary pumping mechanism by C-band power for L-band signal, a Sagnac loop is used to feed-back the output of C-band ASE, the reflected C-ASE propagates along single direction in the fiber and is amplified in expending inversion population, so that the utility of pump power for L-band ASE is increased. Experimentally, the total output power was 14 dBm at 125 mW 980 nm pumping i.e. pump power conversion efficiency up to 20% was achieved. Without gain flatten filter, the 1 dB bandwidth was 31.1 nm (1568.9 - 1600 nm), so that high pump conversion efficiency and broad L-band ASE source was demonstrated.
语种	中文 ; 中文
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10855]
专题	清华大学
推荐引用方式 GB/T 7714	Jiang Qiao-feng,Liu Xiao-ming,Ni Yi,et al. High pump conversion efficiency and broad L-band ASE source by using Sagnac feedback loop[J],2010, 2010.
APA	Jiang Qiao-feng,Liu Xiao-ming,Ni Yi,&Wang Qing.(2010).High pump conversion efficiency and broad L-band ASE source by using Sagnac feedback loop..
MLA	Jiang Qiao-feng,et al."High pump conversion efficiency and broad L-band ASE source by using Sagnac feedback loop".(2010).

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