V. Couderc et al., MODELOCKING OF CW ND-YAG LASER USING NONLINEAR POLARIZATION EVOLUTIONIN TYPE-II FREQUENCY-DOUBLING CRYSTAL, Electronics Letters, 34(7), 1998, pp. 672-673
Passive modelocking of a CW diode-pumped Nd:YAG laser is reported usin
g, for the first time, a nonlinear polarisation rotation effect in a t
ype II crystal cut for second harmonic generation. The modelocking reg
ime is self-starting and produces pulses of 7.3ps duration with 1.7W a
verage output power.