Ultrafast Raman fiber laser: a review and prospect

PhotoniX

Table 1 Representative performances of mode-locked Raman fiber lasers

Laser	Center wavelength	Pulse Energy	Pulse Width	Repetition Rate	SNR of the RF spectrum
Active mode-locking [28]	1178 nm	15 nJ	2 ns	391 kHz	62 dB
Active–passive hybrid mode-locking [29]	1120 nm	20 nJ	50 ps	395 kHz	N/A
Material-based SA: SESAM [30]	1590 nm	N/A	2.7 ps	220 kHz	N/A
Material-based SA: nanotubes [31]	1670 nm	3 nJ	2 ps	1.72 MHz	30 dB
Material-based SA: nanotubes [32]	1120 nm	20 nJ	236 ps	2.88 MHz	30 dB
Material-based SA: nanotubes [33]	1312 nm	0.1 nJ	2 ns	870 kHz	N/A
Material-based SA: Graphene [34]	1180 nm	150 nJ	200 ns	400 kHz	56 dB
Artificial SA: NPR [35]	1380 nm	N/A	2 ps	300 kHz	N/A
Artificial SA: NPR [36]	1651 nm	290 nJ	890 ps	378 kHz	41 dB
Artificial SA: NPR [37]	1600 nm	193 nJ	180 ps	275 kHz	65 dB
Artificial SA: NPR [38]	1120 nm	0.7 nJ	1 ps	2.47 MHz	85 dB
Artificial SA: NOLM [39]	1410 nm	15 nJ	N/A	660 kHz	N/A
Artificial SA: NOLM [40]	1534 nm	22 nJ	6 ps	64 kHz	N/A
Artificial SA: NOLM [41]	1120 nm	64.1 nJ	25 ns	733 kHz	66 dB
Artificial SA: NOLM [42]	1115 nm	1.23 nJ	63 ps	1.23 MHz	85 dB