[1] [1] Chen J, Sickler J W, Ippen E P, et al. High repetition rate, low jitter, low intensity noise, fundamentally mode-locked 167 fs soliton Er-fiber laser [J]. Opt. Lett., 2007, 32(11): 1566-1568.

[2] [2] Ruhi A, Wandt D, Fallnich C. High power all-fiber mode-locked femtosecond erbium oscillator at 1520 nm with a repetition rate of 108 MHz [C]. CLEO Europe, 2005, 520.

[3] [3] Li J, Dai Y H, Zhang Z G. High repetition rate passively modelocked erbium-doped fiber laser [J]. Chinese Science Bulletin, 53(5): 706-708.

[4] [4] Kelly S M J. Characteristic sideband instability of periodically amplified average soliton [J]. Electron. Lett., 1992, 28: 806-807.

[5] [5] Haus H A, Tamura K, Nelson L E, et al. Stretched-pulse additive pulse mode-locking in fiber ring laser: theory and experiment [J]. IEEE J. Quan. Electron., 1995, 31(3): 591-599.