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Table 1 Representative performances of mode-locked Raman fiber lasers

From: Ultrafast Raman fiber laser: a review and prospect

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