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Resonantly Increased Optical Frequency Conversion in Atomically Thin Black Phosphorus

2016; Volume: 28; Issue: 48 Linguagem: Inglês

10.1002/adma.201603119

1521-4095

Manuel J. L. F. Rodrigues, Christiano J. S. de Matos, Yi Wei Ho, Hélder Peixoto, Rafael E. P. de Oliveira, Hsin‐Yu Wu, A. H. Castro Neto, José Viana‐Gomes,

Perovskite Materials and Applications

Optical frequency conversion via the nonlinear effect of third harmonic generation is shown to be resonantly enhanced in few-layer black phosphorus. This feature is believed to be a consequence of exciton-related resonance, as the enhancement is strongly correlated with the observation of exciton-recombination photoluminescence. Few-layer thicknesses are obtained both via mechanical exfoliation and laser thinning. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.