Tunable Plasmonic and Hyperbolic Metamaterials Based on Enhanced Nonlinear Response

<table>(a) Geometry of a hyperbolic metamaterial terminated by a PEC (mirror) slab with thickness <svg height="16.450001" id="M107" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 85.849998 16.450001" width="85.849998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>. Tunable (b) positive and (c) negative Goos-Hänchen shifts obtained at two different illumination wavelengths: <svg height="12.4375" id="M108" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 79.462502 12.4375" width="79.462502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M529 97q-70 -109 -136 -109q-41 0 -56 94q-23 144 -37 284q-38 -88 -99 -202.5t-93 -156.5q-26 -8 -76 -19l-9 21q71 78 145.5 193t124.5 232q-5 84 -15 128q-12 55 -29.5 75.5t-42.5 20.5q-21 0 -45 -13l-8 24q16 17 46 30t55 13q43 0 70 -46.5t40 -169.5
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</svg> and <svg height="12.4375" id="M109" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 79.462502 12.4375" width="79.462502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>, respectively.</table>

International Journal of Antennas and Propagation

fig7

Figure 7

Figure 7: Tunable Plasmonic and Hyperbolic Metamaterials Based on Enhanced Nonlinear Response 