Figure 4

(a) Measured FROG trace, (b) retrieved FROG trace, (c) pulse and phase in time domain retrieved from FROG trace, and (d) spectrum when the laser is operated in dual-wavelength emission.
(a) Measured FROG trace, (b) retrieved FROG trace, (c) pulse and phase in time domain retrieved from FROG trace, and (d) spectrum when the laser is operated in dual-wavelength emission.