Handing Xia, Heping Li, Changyong Lan, Chun Li, Jinbo Du, Shangjian Zhang, Yong Liu. Few-layer MoS2 grown by chemical vapor deposition as a passive Q-switcher for tunable erbium-doped fiber lasers[J]. Photonics Research, 2015, 3(3): A92
- Photonics Research
- Vol. 3, Issue 3, A92 (2015)
Fig. 1. (a) Experimental setup of the MoS 2 MoS 2 MoS 2
Fig. 2. Nonlinear transmission of few-layer MoS 2
Fig. 3. Oscilloscope traces of the Q-switched pulses under different pump powers P p P p = 42 mW P p = 97 mW P p = 112 mW P p = 194 mW
Fig. 4. Typical characteristics of the Q-switched pulses emitted from the fiber laser at the pump power of 102 mW; (a) output optical spectrum; (b) oscilloscope trace of the Q-switched pulse train; (c) single-pulse profile; (d) RF spectrum.
Fig. 5. (a) Pulse repetition rate and pulse duration versus incident pump power; (b) average output power and single-pulse energy versus incident pump power.
Fig. 6. (a) Laser output spectra at different wavelengths by using different FBGs under a pump power of 102 mW. Inset, axial strain induced wavelength tuning; (b) pulse repetition rate and pulse duration as a function of the wavelength.
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