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Proceedings Paper

Two-photon absorption in layered transition metal dichalcogenides
Author(s): Ningning Dong; Saifeng Zhang; Yuanxin Li; Jun Wang
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Paper Abstract

Two-dimensional (2D) layered transition metal dichalcogenides (TMDCs) exhibit unique nonlinear optical (NLO) features and have becoming intriguing and promising candidate materials for photonic and optoelectronic devices with high performance and unique functions. Owing to layered geometry and the thickness-dependent bandgap, we studied the ultrafast NLO properties of a range of TMDCs. TMDCs with high-quality layered nanosheets were prepared through chemical vapor deposition (CVD) technique and vapor-phase growth method. Saturable absorption, two photon absorption (TPA) and two photon pumped frequency up-converted luminescence were observed from these 2D nanostructures. The exciting results open up the door to 2D photonic devices, such as passive mode-lockers, Q-switchers, optical limiters, light emitters, etc.

Paper Details

Date Published: 21 February 2018
PDF: 14 pages
Proc. SPIE 10529, Organic Photonic Materials and Devices XX, 1052909 (21 February 2018); doi: 10.1117/12.2288365
Show Author Affiliations
Ningning Dong, Shanghai Institute of Optics and Fine Mechanics (China)
Saifeng Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Yuanxin Li, Shanghai Institute of Optics and Fine Mechanics (China)
Jun Wang, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 10529:
Organic Photonic Materials and Devices XX
Christopher E. Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)

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