Abstract
We review the properties of hyperbolic metamaterials and show that they are promising candidates as substrates for nanoimaging, nanosensing, fluorescence engineering, and controlling thermal emission. Hyperbolic metamaterials can support unique bulk modes, tunable surface plasmon polaritons, and surface hyperbolic states (Dyakonov plasmons) that can be used for a variety of applications. We compare the effective medium predictions with practical realizations of hyperbolic metamaterials to show their potential for radiative decay engineering, bioimaging, subsurface sensing, metaplasmonics, and super-Planckian thermal emission.
Highlights
Metamaterial technologies have matured over the past decade for a variety of applications such as superresolution imaging [1, 2], cloaking [3], and perfect absorption [4]
We describe the potential of hyperbolic metamaterial substrates for five distinct applications: (1) fluorescence engineering [20,21,22], (2) nanoimaging [23,24,25], (3) subsurface sensing [26], (4) dyakonov plasmons [27, 28], and (5) super-Planckian thermal emission [29, 30]
Our work presents a unified view for these distinct applications and elucidates many key design principles useful to experimentalists and theorists
Summary
Metamaterial technologies have matured over the past decade for a variety of applications such as superresolution imaging [1, 2], cloaking [3], and perfect absorption [4]. One class of artificial media which received a lot of attention are hyperbolic metamaterials [13,14,15]. They derive their name from the unique form of the isofrequency curve which is hyperbolic instead of circular as in conventional dielectrics. The reason for their widespread interest is due to the relative ease of nanofabrication, broadband nonresonant response, wavelength tunability, bulk three-dimensional response, and high figure of merit [16]. We expect this work to provide an overview and starting point for varied practical applications of hyperbolic metamaterials
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