Abstract
We report an all-normal dispersion femtosecond laser based on large-mode-area Yb-doped photonic crystal fiber. Self-starting mode-locked pulses are obtained with an average power of at repetition rate, corresponding to of chirped pulse energy. These are dechirped to a near transform-limited duration of . Experimental results are consistent with numerical simulations of dissipative soliton intra-cavity pulse evolution, and demonstrate scaling of pulses to megawatt peak powers.
© 2010 Optical Society of America
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