Watt-level high-power passively Q-switched laser based on a black phosphorus solution saturable absorber
1 State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China
2 University of Chinese Academy of Sciences, Beijing 100049, China
3 School of Physics and information Technology, Shaanxi Normal University, Xi’an 710119, China
Figures & Tables
Fig. 1. (a) BP nanosheets solution. (b) Transmission spectra. (c) Raman spectra of BP. (d) The nonlinear transmission curve of BP solution SA.
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Fig. 2. Schematic of the experimental setup.
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Fig. 3. (a) Output power versus the pump power. (b) The pulse trains obtained at different pump powers. (c) Evolutions of the pulse repetition rate and of the pulse width with the pump power. (d) Single pulse profile of the QS laser. (e) Optical spectrum.
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Table1. Pulsed SSLs Based on Graphene-like 2D Materials
SA | Gain medium | Wavelengh (nm) | Laser operation | Pulse width | Output power (mW) | Reference |
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SAM | | 1066 | QS | 250 ns | 74.2 | [9] | quartz substrate | | 1063 | QS | 666 ns | 32 | [35] | | | 1064 | QS | 97 ns | 18.6 | [34] | thin film | | 1042 | QS | 1.5 μs | 820 | [33] | -BK7 | | 1079 | QS | 227 ns | 260 | [15] | mica | | 1902 | QS | 800 ns | 100 | [16] | substrate | Yb:LGGG | 1025–1028 | QS | 182 ns | 600 | [18] | substrate | Yb:YAG | 1050 | ML | 736 fs | 270 | [20] | SAM | | 1064 | ML | 12.7 ps | 89 | [21] | BP SAM | Yb,Lu:GALGO | 1053 | ML | 272 fs | 820 | [29] | BP quartz glass | | 1063 | QS | 495 ns | 167 | [30 | BP SAM | Cr:ZnSe | 2400 | QS | 189 ns | 36 | [31] | BP quartz glass | Tm:Ho:YGG | 639 1064 2100 | QS | 189 ns 495 ns 636 ns | 18 22 27 | [26] | BP gold-film mirror | Yb:LuYAG | 1030 1930 2720 | QS | 1.73 μs 3.1 μs 4.47 μs | 6 12 6 | [27] | BP quartz plate | | 1064 | ML | 6.1 ps | 460 | [32] | BP solution SA | | 1064 | QS | 119 ns | 1230 | Our work |
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Xi Wang, Zhenfu Wang, Yonggang Wang, Lu Li, Guowen Yang, Jinping Li. Watt-level high-power passively Q-switched laser based on a black phosphorus solution saturable absorber[J]. Chinese Optics Letters, 2017, 15(1): 011402.