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		题名	作者	年代	出处	被引量
	1	Mode-locked 2 μm fiber laser with a multi-walled carbon nanotube as a saturable absorber显示文摘We propose and demonstrate a passively mode-locked fiber laser operating at 1951.8 nm using a commercial thulium-doped fiber(TDF) laser, a homemade double-clad thulium–ytterbium co-doped fiber(TYDF)as the gain media, and a multi-walled carbon nanotube(MWCNT) based saturable absorber(SA). We prepare the MWCNT composite by mixing a homogeneous solution of MWCNTs with a diluted polyvinyl alcohol(PVA) polymer solution and then drying it at room temperature to form a film. The film is placed between two fiber connectors as a SA before it is integrated into a laser ring cavity. The cavity consists of a 2 m long TDF pumped by a 800 nm laser diode and a 15 m long homemade TYDF pumped by a 905 nm multimode laser diode. A stable mode-locking pulse with a repetition rate of 34.6 MHz and a pulse width of 10.79 ps is obtained when the 905 nm multimode pump power reaches 1.8–2.2 W, while the single-mode 800 nm pump power is fixed at 141.5 m W at all times. To the best of our knowledge, this is the first reported mode-locked fiber laser using a MWCNT-based SA.	S.M.Azooz F.Ahmad H.Ahmad S.W.Harun B.A.Hamida S.Khan A.Halder M.C.Paul M.Pal S.K.Bhadra	2015	Chinese Optics Letters2015，13，3：	1
	2	Self-starting harmonic mode-locked Tm-Bi co-doped germanate f iber laser with carbon nanotube-based saturable absorber显示文摘We report a ring cavity passively harmonic mode-locked fiber laser using a newly developed thuliumbismuth co-doped fiber(TBF) as a gain medium in conjunction with a carbon nanotube(CNT)-based saturable absorber.The TBF laser generates a third harmonic mode-locked soliton pulse train with a high repetition rate of 50 MHz and a pulse duration of 1.86 ps.The laser operates at 1 901.6 nm with an average power of 6.6 mW,corresponding to a pulse energy of 0.132 nJ,at a 1 552 nm pump power of 723.3 mW.	N.Saidin D.I.M.Zen S.S.A.Damanhuri S.W.Harun H.Ahmad F.Ahmad K.Dimyati A.Halder M.C.Paul M.Pal S.K.Bhadra	2013	Chinese Optics Letters2013，11，6：	0
	3	A Tm-Bi Co-Doped Fiber Laser with Dual Pumping Operation显示文摘We demonstrate an efficient fiber laser operating at 1901.6 nm using a newly developed thulium bismuth co-doped fiber(TBF)with dual pumping at 792 nm and 1552 nm.The fiber was fabricated using modified chemical vapor deposition and solution doping processes.The dopant concentrations(wt%)and compositions inside the core are 0.15 Bi_(2)O_(3),0.3 Tm_(2)O_(3),1.0 Al_(2)O_(3) and 12.0 GeO_(2).The TBF laser operates at 1901.6 nm with a lasing efficiency of 33.2%and pump power threshold of 85 mW using a 2-m-long TBF in a linear cavity with two fiber Bragg gratings(FBGs).The high efficiency is attributed to the use of additional 1552 nm pump to complement 792 nm pumping.The maximum output power of 225 mW is achieved at the pump power of 820 mW with the optimum length of 2 m.	N.Saidin S.W.Harun S.S.A.Damanhuri S.M.M.Ali H.Ahmad A.Halder M.C.Paul S.Das M.Pal S.K.Bhadra	2013	Chinese Physics Letters2013，30，3：	0

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