Enhanced Super-Radiance in Epsilon-Near-Zero Plasmonic Channels

Abstract

We describe the possibility of drastically boosting the spontaneous emission of a collection of two-level quantum emitters by embedding them in an epsilon-near-zero (ENZ) environment, consisting of a plasmonic waveguide operated at cut-off. This phenomenon relies on the combination of Purcell enhancement and Dicke superradiance effects, exploiting the large and uniform local density of states in ENZ channels, which is shown to significantly extend the spatial extent of these quantum effects. We envision exciting applications in optical sensing, molecular detection and low-threshold lasing.

17 pages, 4 figures

References in corpus (4)

• On the use of Purcell factors for plasmon antennas
• Dielectric Sensing in Epsilon-Near-Zero Narrow Waveguide Channels
• Transmission-Line Analysis of Epsilon-Near-Zero (ENZ)-Filled Narrow Channels
• Optical Tunneling through Arbitrarily-Shaped Plasmonic Channels and Sharp Bends

Cited by in corpus (27)

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• Optically induced metal-to-dielectric transition in Epsilon-Near-Zero metamaterials
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• Nonperturbative decay dynamics in metamaterial waveguides
• Rolled-up Epsilon-near-zero Waveguide reservoir for long-range qubit entanglement
• Controllable distant interactions at bound state in the continuum
• Strong and long-range radiative interaction between resonant transitions
• Plasmonic Waveguides to Enhance Quantum Electrodynamic Phenomena at the Nanoscale
• Collective spontaneous emission of two entangled atoms near an oscillating mirror
• Decoherence and collective effects in critical media