Enhancement of Resonant Energy Transfer Due to Evanescent-wave from the Metal

Abstract

The high density of evanescent modes in the vicinity of a metal leads to enhancement of the near-field Förster resonant energy transfer (FRET) rate. We present a classical approach to calculate the FRET rate based on the dyadic Green's function of an arbitrary dielectric environment, and consider non-local limit of material permittivity in case of metallic halfspace and thin film. In a dimer system, we find that the FRET rate is enhanced due to shared evanescent photon modes bridging a donor and an acceptor. Furthermore, a general expression for the FRET rate for multimer systems is derived. The presence of a dielectric environment and the path interference effect enhance the transfer rate, depending on the combination of distance and geometry.

8 pages, 5 figures. For JPCL

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Cited by in corpus (5)

• Near-field Radiative Heat Transfer in Many-Body Systems
• Foerster resonance energy transfer rate and local density of optical states are uncorrelated in any dielectric nanophotonic medium
• Qubit entanglement across Epsilon near Zero Media
• Collective single-photon emission and energy transfer in thin-layer dielectric and plasmonic systems
• Resonant Energy Transfer Under the Influence of the Evanescent Field from the Metal