Table 2: Summary of infrared rare-earth-doped ZBLAN fiber lasers with the highest output powers so far.

Rare-earthLaser wavelength ( m)Pump wavelength (nm)Output power (W)Rare-earth Concentration (mol%)Slope efficiency (%)Reference

Er1.559800.0120.530[49]
1.77910.0070.51.8[50]
2.797524614.5[16]
3.456400.08512.8[47]

Tm1.4810642.30.265[51]
1.94792202.549[15]
2.37900.0010.110[48]

Ho28068.80.436[52]
2.8611002.5329[53]
3.225320.0110.22.8[43]
3.98850.0110.21.5[54]

Dy2.911000.2750.14.5[55]

Pr1.310640.00450.090.45[56]

Yb10.9110.091.856[57]

Nd1.05514.50.021.52.5[38]
1.348000.01360.212[58]