Table 1 Comparison of Q-switched Nd:YVO4 waveguide lasers with different saturable absorbers.
Parameter | VO2 | Graphene | WS2 | |||
|---|---|---|---|---|---|---|
TE | TM | TE | TM | TE | TM | |
Lasing threshold (mW) | 18.8 | 22.7 | 86.1 | 90.8 | 30.3 | 53.0 |
Output power (mW) | 66.7 | 58.8 | 152.2 | 136.8 | 161.9 | 141.1 |
Pulse duration (ns) | 0.69 | 0.71 | 22 | 30 | 39 | 51 |
Repetition rate (MHz) | 2.9 | 2.7 | 7.8 | 5.3 | 3.5 | 2.3 |
Peak power (W) | 33.1 | 31.2 | 0.9 | 0.9 | 1.2 | 1.2 |
