Research Papers

Supercontinuum generation in aqueous core/shell structured nanoparticles

[+] Author Affiliations
Siyi Hu, Liwei Liu, Yue Wang, Yu Ren, Yueshu Feng, Chen Huang

ChangChun University of Science and Technology, School of Science, No. 7089 Weixing Road, ChangChun, Jilin 130022, China

International Joint Research Center for Nanophotonics and Biophotonics, School of Science, No. 7089 Weixing Road, Changchun, Jilin 130022, China

Haiyan Tao

ChangChun University of Science and Technology, School of Science, No. 7089 Weixing Road, ChangChun, Jilin 130022, China

J. Nanophoton. 9(1), 093065 (Jul 14, 2015). doi:10.1117/1.JNP.9.093065
History: Received January 26, 2015; Accepted June 17, 2015
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Abstract.  We report the observation of a supercontinuum (SC) in aqueous CdTe/ZnSe quantum dots (QDs) pumped by 800-nm femtosecond laser pulses based on simulations and experiments. For an average nanocrystal of 5.5 nm in size and a weight concentration of 5mg/mL, the SC generated with a low-input energy range exhibits high optical to optical conversion efficiency. The measured SC spectrum exhibits spectral broadening that is significantly influenced by the nonlinear coefficient of the QDs. This nanoparticles-based SC effect may have special applications for optical coherence imaging and ultrashort pulse compression.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Siyi Hu ; Liwei Liu ; Yue Wang ; Yu Ren ; Haiyan Tao, et al.
"Supercontinuum generation in aqueous core/shell structured nanoparticles", J. Nanophoton. 9(1), 093065 (Jul 14, 2015). ; http://dx.doi.org/10.1117/1.JNP.9.093065


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