Figure 5

(a) The output optical spectrum of the mode-locked laser pulses. (b) The measured autocorrelation trace of the mode-locked pulses (solid line) and the fitting result obtained using a sech2 function (dotted line).
(a) The output optical spectrum of the mode-locked laser pulses. (b) The measured autocorrelation trace of the mode-locked pulses (solid line) and the fitting result obtained using a sech2 function (dotted line).