期刊
OPTICS EXPRESS
卷 16, 期 22, 页码 18028-18033出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.16.018028
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资金
- NSFC [10534030]
- National Program on Key Science Research [2006CB921500, 2007CB935300]
We first time prepared Nd3+ ions doped anodic aluminum oxide (Nd:AAO) templates, reported linear, sublinear and superlinear photoluminescence (PL) from Nd: AAO templates loaded with Ag nanowires in different excitation power regions, in which, the excitation laser with wavelength 805 nm resonantly pumped the population to F-4(5/2) states of Nd3+, and the radiative transitions F-4(3/2) -> I-4(9/2) of Nd3+ centered at 880 nm. The excitation power dependences of emission polarization ratio and the spectral width were also investigated. The observed nonlinear amplifications of the PL intensity implied strong interaction between randomly-dispersed Nd3+ ions and ordered-arrayed Ag nanowires in AAO templates. (C) 2008 Optical Society of America
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