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Proceedings Paper

Enhanced spontaneous emission from the inside of a multilayer hyperbolic metamaterial (presentation video)
Author(s): Lorenzo Ferrari; Dylan Lu; Dominic Lepage; Zhaowei Liu
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Paper Abstract

We study the spontaneous emission enhancement inside a hyperbolic metamaterial, composed of a periodic stack of silver and silicon layers. After showing that the decay rate outside the multilayer can be spectrally altered via the metallic filling ratio, we embed the source within the individual silicon layers, and predict a 3-fold increase of the Purcell factor with respect to its outer value. Then we include the emitter in a polymethyl-methacrylate (PMMA) layer, and extract the plasmonic modes by means of a triangular and a rectangular grating, obtaining respectively a 10-fold and 6-fold enhancement in the power emitted into the far-field.

Paper Details

Date Published: 12 November 2014
PDF: 1 pages
Proc. SPIE 9160, Metamaterials: Fundamentals and Applications 2014, 91600H (12 November 2014); doi: 10.1117/12.2061536
Show Author Affiliations
Lorenzo Ferrari, Univ. of California, San Diego (United States)
Dylan Lu, Univ. of California, San Diego (United States)
Dominic Lepage, Univ. of California, San Diego (United States)
Zhaowei Liu, Univ. of California, San Diego (United States)

Published in SPIE Proceedings Vol. 9160:
Metamaterials: Fundamentals and Applications 2014
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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