| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1494007 | Optical Materials | 2014 | 4 Pages |
•A chemically reduced graphene oxide saturable absorber mirror was fabricated.•The nonlinear absorption parameters of the absorber mirror were measured.•Stable Q-switched mode-locking Nd:GdVO4 laser was obtained using the absorber mirror.•The frequency and duration of the Q-envelopes and mode-locking pulses were measured.
A diode-pumped passively Q-switched mode-locking Nd:GdVO4 laser using a chemically reduced graphene oxide saturable absorber was demonstrated. The repetition rate and pulse width of the Q-switching envelopes were 5.7 MHz and 100 ns, respectively, while those of the mode-locking pulses that were modulated in the Q-switching envelopes were 139 MHz and 10 ps. At the maximum pump power of 7 W, the average output power was 1.38 W, corresponding to a slope efficiency of 25%.
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