From Event: SPIE Optical Engineering + Applications, 2017
Two-dimensional materials have attracted significant interest recently for their unique optical properties compared to their bulk counterparts. Specifically, the family of transition metal dichalcogenides (TMD), such as MoS2 and WS2, have large second order nonlinear susceptibility. Extraordinary second harmonic generation and sum frequency generation have been observed. Here we investigate the second order nonlinearity of 2D materials, including TMD layered materials with dopants and defects. Experimental results and preliminary theoretical analysis will be discussed.
Alexander S. Cocking, William Murray, Kazunori Fujisawa, Anna Elias, Mauricio Terrones, and Zhiwen Liu, "Nonlinear characterization of two dimensional materials (Conference Presentation)," Proc. SPIE 10380, Ultrafast Nonlinear Imaging and Spectroscopy V, 1038006 (Presented at SPIE Optical Engineering + Applications: August 06, 2017; Published: 19 September 2017); https://doi.org/10.1117/12.2274363.5581137581001.
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