Topological transition in a nanowire medium and its radiative implication
classification
❄️ cond-mat.mes-hall
physics.optics
keywords
topologicaltransitionarisesdispersionellipticepsilon-indefiniteepsilon-positiveextraordinary
read the original abstract
We reveal and study the topological transition in a metamaterial formed by parallel nanowires of polaritonic material. When the dispersion transits from the elliptic (epsilon-positive) to hyperbolic (epsilon-indefinite) regime, a very specific isofrequency surface arises which implies an extraordinary Purcell factor in spite of noticeable optical losses.
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