Two-photon excited fluorescence from colloidal quantum dots on SiN photonic crystals

Xingsheng Xu; Toshiki Yamada; Shiyoshi Yokoyama

doi:10.1117/12.876865

21 February 2011 Two-photon excited fluorescence from colloidal quantum dots on SiN photonic crystals

Xingsheng Xu, Toshiki Yamada, Shiyoshi Yokoyama

Proceedings Volume 7937, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XV; 79371F (2011) https://doi.org/10.1117/12.876865
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

The two-photon excited fluorescence spectra from CdSe quantum dots on SiN film with two-dimensional photonic crystal are studied. The fluorescence and decay process from quantum dots in solvent are compared. Two-photon excited fluorescence is enhanced by photonic crystal in vertical direction, and the blue shift of the spectrum is found on photonic crystal. The mechanism of the enhancement and the blue shift of spectrum are explained.

Citation Download Citation

Xingsheng Xu, Toshiki Yamada, and Shiyoshi Yokoyama "Two-photon excited fluorescence from colloidal quantum dots on SiN photonic crystals", Proc. SPIE 7937, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XV, 79371F (21 February 2011); https://doi.org/10.1117/12.876865

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