Black Phosphorus: Resonantly Increased Optical Frequency Conversion in Atomically Thin Black Phosphorus (Adv. Mater. 48/2016)
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- 作者：Manuel J. L. F. Rodrigues ; Christiano J. S. de Matos ; Yi Wei Ho ; Hé ; lder Peixoto ; Rafael E. P. de Oliveira ; Hsin-Yu Wu ; Antonio H. Castro Neto and José ; Viana-Gomes
- 刊名：Advanced Materials
- 出版年：2016
- 出版时间：December 28, 2016
- 年：2016
- 卷：28
- 期：48
- 页码：10692
- 全文大小：18242K
- ISSN：1521-4095
文摘
On page 10693, M. J. L. F. Rodrigues, C. J. S. de Matos and co-workers show that optical frequency conversion via the nonlinear effect of third harmonic generation is resonantly enhanced in few-layer black phosphorus. This enhancement is believed to be related to exciton resonances, as it is strongly correlated with exciton-recombination photoluminescence. Few-layer thicknesses are obtained both via mechanical exfoliation and laser thinning.