期刊
NANOPHOTONICS
卷 9, 期 8, 页码 2587-2592出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2020-0143
关键词
circular Bragg resonator; photoluminescence enhancement; second harmonic generation enhancement; tungsten disulfide
资金
- National Key R&D Program of China [2018YFA0306100]
- National Natural Science Foundation of China [11874437, 61935009]
- Guangzhou Science and Technology Project [201805010004]
- Natural Science Foundation of Guangdong [2018B030311027, 2016A030306016, 2016TQ03X981]
Monolayer transition metal dichalcogenides (TMDs) have emerged as a promising platform for chip-integrated optoelectronics and non-linear optics. Here, we demonstrate a two-dimensional (2D) monolayer tungsten disulfide (WS2) efficiently coupled to a dielectric circular Bragg resonator (CBR). The coupling of the WS2 and CBR leads to pronounced enhancements in both photoluminescence (PL) and second harmonic generation (SHG) by a factor of 34 and 5, respectively. Our work provides a powerful tool to enhance the interactions between light and the 2D materials, paving the way for efficient on-chip optoelectronic devices.
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