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Local excitation of surface plasmon polaritons using nitrogen-vacancy centers

机译:利用氮空位中心对表面等离激元极化子的局部激发

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Surface plasmon polaritons (SPPs) are locally excited at silver surfaces using (similar to 100) nanometer-sized nanodiamonds (NDs) with multiple nitrogen-vacancy (NV) centers (similar to 400). The fluorescences from an externally illuminated (at 532 nm) ND and from nearby NDs, which are not illuminated but produce out-of-plane scattering of SPPs excited by the illuminated ND, exhibit distinctly different wavelength spectra, showing short-wavelength filtering due to the SPP propagation loss. The results indicate that NDs with multiple NV centers can be used as efficient subwavelength SPP sources in planar integrated plasmonics for various applications. (C) 2015 Optical Society of America
机译:使用(约100个)具有多个氮空位(NV)中心(约400个)的纳米级纳米金刚石(ND)在银表面上局部激发表面等离振子极化子(SPPs)。来自外部照明(在532 nm)的ND和附近的ND的荧光没有被照亮,但产生了被照明的ND激发的SPP的面外散射,它们显示出截然不同的波长光谱,显示出由于SPP传播损耗。结果表明,具有多个NV中心的ND可用作平面集成等离子体激元中各种应用的有效亚波长SPP源。 (C)2015年美国眼镜学会

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