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Related Experiment Video

Updated: Jun 12, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Controlling spontaneous emission with metamaterials.

M A Noginov¹, H Li, Yu A Barnakov

¹Center for Materials Research, Norfolk State University, Norfolk, Virginia 23504, USA. mnoginov@nsu.edu

|June 3, 2010

Summary

Researchers observed a sixfold reduction in dye emission lifetime using hyperbolic metamaterials. This finding supports the existence of high photonic density and potential applications in quantum optics, including single-photon sources.

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Area of Science:

Condensed matter physics
Quantum optics
Materials science

Background:

Metamaterials with hyperbolic dispersion exhibit unique electromagnetic properties.
Photonic density of states (PDOS) significantly influences light-matter interactions.
Controlling emission lifetimes is crucial for quantum optical devices.

Purpose of the Study:

To investigate the impact of hyperbolic metamaterials on the emission lifetime of nearby emitters.
To experimentally verify the predicted high PDOS in hyperbolic metamaterials.
To explore the potential of these metamaterials in quantum optics applications.

Main Methods:

Fabrication of a hyperbolic metamaterial using an array of silver nanowires in an alumina membrane.
Deposition of a fluorescent dye onto the metamaterial surface.
Measurement of the dye's emission lifetime in proximity to the metamaterial.

Main Results:

A significant sixfold reduction in the emission lifetime of the deposited dye was observed.
This reduction is attributed to the anomalously high density of photonic states in the hyperbolic metamaterial.
The results provide experimental evidence for enhanced light-matter interactions.

Conclusions:

Hyperbolic metamaterials can dramatically alter the optical properties of adjacent materials.
The observed effect validates theoretical predictions of high PDOS in these structures.
This work opens avenues for novel quantum optics applications, such as single-photon sources, using metamaterials.