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dc.contributor.authorLi, Xiaohuien_US
dc.contributor.authorHan, Yuehengen_US
dc.contributor.authorShi, Zhaojiangen_US
dc.contributor.authorAn, Mingqien_US
dc.contributor.authorChen, Encien_US
dc.contributor.authorFeng, Jiangjiangen_US
dc.contributor.authorWang, Qi Jieen_US
dc.identifier.citationLi, X., Han, Y., Shi, Z., An, M., Chen, E., Feng, J. & Wang, Q. J. (2022). β-In₂S₃ nanoplates for ultrafast photonics. ACS Applied Nano Materials, 5(3), 3229-3236.
dc.description.abstractThe technological revolution of two-dimensional (2D) materials provides vitality for ultrafast optics. Compared with other 2D materials, indium sulfide (In2S3) has become an attractive candidate material in the field of nonlinear optics because of its high carrier mobility, ultrafast photoelectric sensitivity, medium band gap, and high absorption coefficient. However, its nonlinear optical effects have rarely been studied. In this work, we synthesized 2D β-In2S3nanoplates using the hydrothermal method. The saturable absorber based on β-In2S3nanoplates has been investigated. The experimental results demonstrated that the modulation depth and saturable intensity of β-In2S3are measured as 2.32% and 18.4 MW·cm-2, respectively, which indicates that β-In2S3has great potential in ultrafast optics among emerging nonlinear optical materials. Using such unprecedented properties, the mode-locked fiber laser with 247th (1.92 GHz) harmonic mode locking is realized in the C-band for the first time to our knowledge. This paves the way for exploring β-In2S3as an outstanding nonlinear material for high-performance ultrafast optics.en_US
dc.relation.ispartofACS Applied Nano Materialsen_US
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Nano Materials, copyright © 2022 American Chemical Society, after peer review and technical editing by the publisher. To access the final edited and published work see
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleβ-In₂S₃ nanoplates for ultrafast photonicsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.contributor.researchCentre for OptoElectronics and Biophotonicsen_US
dc.contributor.researchThe Photonics Instituteen_US
dc.description.versionSubmitted/Accepted versionen_US
dc.subject.keywordsIndium Sulfideen_US
dc.subject.keywordsHigh Repetition Rateen_US
dc.description.acknowledgementThis research was supported by the International Science & Technology Cooperation and Exchanges Project of Shaanxi (no. 2020KW-005); the Funded projects for the Academic Leader and Academic Backbones, Shaanxi Normal University (no. 18QNGG006); the Starting Grants of Shaanxi Normal University (grant nos. 1112010209 and 1110010717); and the Fundamental Research Funds For the Central Universities (nos. GK201802006 and 2020CSLY005).en_US
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