Purcell effect in wire metamaterials

Abstract

We study theoretically the enhancement of spontaneous emission in wire metamaterials. We analyze the dependence of the Purcell factor dependence on wire dielectric constant for both electric and magnetic dipole sources, and find an optimal value of the dielectric constant for maximizing the Purcell factor for the electric dipole. We obtain analytical expressions for the Purcell factor and also provide estimates for the Purcell factor in realistic structures operating in both microwave and optical spectral range.

15 pages, 7 figures

References in corpus (6)

• Quantum nanophotonics using hyperbolic metamaterials
• Nonlocal Homogenization Model for a Periodic Array of Epsilon-Negative Rods
• Microscopic model of Purcell enhancement in hyperbolic metamaterials
• Hyperbolic metamaterials: nonlocal response regularizes broadband super-singularity
• Radiation from elementary sources in a uniaxial wire medium
• Finite-difference time-domain technique as an efficient tool for obtaining the regularized Green function: applications to the local field problem in quantum optics for inhomogeneous lossy materials

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• Spatial Mode Selective Waveguide with Hyperbolic Cladding
• Topological phase transition in wire medium enables high Purcell factor at infrared frequencies
• Magnetically induced topological transitions of hyperbolic dispersion in biaxial gyrotropic media
• Optical to microwave frequency conversion with Rydberg excitons
• The magnetic Purcell effect: the case of an emitter near an antiferromagnet
• Topological transition in a nanowire medium and its radiative implication
• Double resonant wideband Purcell effect in a polaritonic wire medium
• Measurement of Neutron Lifetime and Purcell Effect