Epitaxially grown TiN/Al0.6Sc0.4N superlattice behaves as a hyperbolic metamaterial (HMM) in the visible range. Since HMMs enhance photonic-density-of-states and reduce lifetime of an emitter, we observed nine times decrease in lifetime of a dye molecule placed close to this HMM.
© 2013 OSA
G. V. Naik, B. Saha, J. Liu, S. M. Saber, E. Stach, J. Irudayaraj, T. D. Sands, V. M. Shalaev, and A. Boltasseva, "A Titanium Nitride based Metamaterial for Applications in the Visible," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper QTu3A.7.
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