[1] Dudley J M, Genty G, Coen S. Rev. Mod. Phys., 2006, 78: 1135.
[3] Yuan J H, Sang X Z, Yu C X, et al. Chin. Phys. B , 2011, 20: 054210.
[6] Udem T, Holzwarth R, Hnsch T W. Nature, 2002, 416: 233.
[8] Wang W, Hou L T , Liu Z L, et al. Chin. Phys. Lett., 2009, 26: 114202.
[9] Liao J F, Sun J Q, Qin Y, et al. Optical Fiber Technology, 2013, 19: 468.
[10] Ranka J K, Windeler R S, Stentz A J. Opt. Lett., 2000, 25: 25.
[11] Stark S P, Podlipensky A, Joly N Y, et al. Journal of the Optical Society of America B, 2010, 27: 592.
[12] Chen H H, Chen Z L, Zhou X F, et al. Laser Physics Letters, 2013, 10: 085401.
[13] Dudley J M, Provino L, Grossard N, et al. Journal of the Optical Society of America B, 2002, 19: 765.
[14] Yuan J H, Sang X Z, Yu C X, et al. Optoelectronics and Advanced Materials-Rapid Communications, 2013, 7: 18.
[15] Champert P A, Couderc V, Leproux P, et al. Optics Express, 2004, 12: 4366.
[16] Han Y, Hou L T, Yuan J H, et al. Chin. Phys. Lett., 2012, 29: 014201.
[17] Yan B B, Yuan J H, Sang X Z, et al. Chin. Opt. Lett., 2016, 14: 050603.
