期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 7, 期 17, 页码 5047-5050出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9tc00139e
关键词
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资金
- Central University Special Fund for Basic Research and Operating Expenses [GK201702005]
- Nature Science Foundation of Shaanxi Province, China [2017JM6091]
- Fundamental Research Funds for the Central Universities [2017TS011]
In this study, we experimentally demonstrated the fabrication of a passively Q-switched Nd:YAG laser using a hybrid organic-inorganic methylammonium lead halide (CH3NH3PbI3) perovskite as a saturable absorber (SA). The broadband linear transmittance in the 0.3-1.1 m range and the nonlinear optical absorption at 1064 nm were measured. The CH3NH3PbI3 SA exhibited large nonlinear saturable absorption with a modulation depth and saturation intensity equal to 3.9% and 6.5 MW cm(-2), respectively. Using the CH3NH3PbI3 SA, a stable Q-switched laser operation with a maximum average output power of 388 mW corresponding to a pulse width of 192 ns was achieved. Thus, the CH3NH3PbI3 film is an efficient SA candidate for stable lasers and has great potential as a broadband nonlinear optical material for ultrafast photonics.
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