[1] France P W. Optical Fiber Lasers and Amplifiers [M]. Glasgow: Blackie, 1991.

[2] Walton D T, Nees J ,Mourou G. Broad-bandwith pulse amplification to the 10-μJ level in an ytterbium-doped germanosilicate fiber [J]. Opt. Lett. ,1996, 21:1061-1063

[3] Rudiger Paschotta, Johan Nilsson, Anne C Tropper et al. Ytterbium-doped fiber amplifiers [J]. IEEE J. Quantum Electron, 1997, 33(7): 1049-1056

[4] Liu K, Digonnet M, Shaw H J. 10 mw superfluorscent single-mode fiber source at 1060 nm [J]. Electron. Lett. ,1987, 23:1320-1321