We show that self-similar evolution in a fiber laser can stabilize spectra broader than the gain bandwidth. 21-fs pulses, which are the shortest from a fiber laser to date, and 200-nm spectra are generated.
© 2012 OSA
A. Chong, H. Liu, B. Nie, B. G. Bale, S. Wabnitz, W. Renninger, M. Dantus, and F. Wise, "Mode-Locked Fiber Laser Without Gain-Bandwidth Limitation," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FW2A.2.
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