Abstract
We demonstrate experimentally a microcavity based on SiO2/TiO2 with two gold layers directly attached to the central base of the microcavity. The design of optical modes based on the peculiarities of Tamm plasmons provides reduced absorption due to the fixing of the node of the electric field of optical mode to metallic layers. Experimentally measured reflection and transmission spectra exhibits three features, corresponding to three hybrid modes of the microcavity. The widths of spectral features confirm that absorption of light by metallic layers is vanishing for optimized mode. The latter is confirmed by resonant transmission of light through the structure. In case of the laser structure, two intracavity metallic layers could serve as contacts for electrical pumping.
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References
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Acknowledgments
This work was supported by RFBR Grant and by FP7 IRSES program. SEM images of the structures were made on the equipment of the Joint Research Centre «Material science and characterization in advanced technology» (Ioffe Institute, St. Petersburg, Russia).
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Kaliteevski, M.A., Lazarenko, A.A., Il’inskaya, N.D. et al. Experimental Demonstration of Reduced Light Absorption by Intracavity Metallic Layers in Tamm Plasmon-based Microcavity. Plasmonics 10, 281–284 (2015). https://doi.org/10.1007/s11468-014-9806-0
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DOI: https://doi.org/10.1007/s11468-014-9806-0