Journal
CHINESE OPTICS LETTERS
Volume 16, Issue 2, Pages -Publisher
OSA-OPTICAL SOC
DOI: 10.3788/COL201816.020012
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Funding
- China Postdoctoral Science Foundation [2017M620349]
- National Natural Science Foundation of China [61605166, 11374251, 61505124]
- Research Foundation of Education Bureau of Hunan Province, China [17C1519]
- Program for Changjiang Scholars and Innovative Research Team in University of China [IRT 17R91]
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We have prepared the graphene/MoS2 heterostructure by a hydrothermal method, and presented its nonlinear absorption parameters and application as a nonlinear optical modulator in the mid-infrared region. Using the nonlinear optical modulator, stable passively Q-switched operation of an Er3+-doped ZrF4-BaF2-LaF3-AlF3-NaF (ZBLAN) fiber laser at similar to 2.8 mu m can be obtained. The Q-switched Er3+-doped ZBLAN fiber laser can yield per-pulse energy up to 2.2 mu J with the corresponding pulse width and pulse repetition rate of 1.9 mu s and 45 kHz, respectively. Our results indicate that the graphene/MoS2 heterostructure can be a robust optical modulator for pulsed lasers in the mid-infrared spectral range.
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