[6] B. Ortac, M. Plotner, T. Schreiber, J. Limpert, A. Tunnermann. Environmentally-stable wave-breaking-free mode-locked Yb-doped all-fiber laser. Proc. SPIE, 6873, 68731M(2008).
[7] M. A. Lapointe, M. Piche. Linewidth of high-power fiber lasers. Proc. SPIE, 7386, 73860S(2009).
[12] G. P. Agrawal. Nonlinear Fiber Optics(2010).