期刊
ACS APPLIED NANO MATERIALS
卷 2, 期 5, 页码 2697-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.9b00190
关键词
nonlinear optical materials; ultrafast photonic device; fiber laser; mode-locked laser; transition metal dichalcogenides; chemical vapor transport
资金
- National Natural Science Foundation of China (NSFC) [11674036, 11875008, 61622406]
- Beijing Youth Top Notch Talent Support Program [2017000026833ZK08]
- Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications) [IPOC2017ZZ05]
Transition metal dichalcogenides (TMDCs) with different thickness can greatly influence the performance of photonic devices. However, how to accurately control the layers of TMDCs and realize the application of TMDCs in ultrafast photonics remains challenging. Here, we study the thickness dependence of ultrafast photonics of SnS2, which is one of newly emerging TMDCs. The SnS2 crystals are synthesized by the chemical vapor transport technique and confirmed as the n-type material by first-principles calculations. As a potential application, SnS2 samples with three different thickness are successfully applied in fiber lasers. The importance and effectiveness of thickness dependence of SnS2 are demonstrated by different laser performance. Results indicate that SnS2 has excellent optical properties with controllable thickness and may be beneficial for the applications of electronics, optics, and sensors.
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