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Published on: November 21, 2019
Quantifying the magnetic nature of light emission
Tim H Taminiau1, Sinan Karaveli, Niek F van Hulst
1Brown University, School of Engineering, Providence, Rhode Island 02912, USA.
Researchers quantified the magnetic nature of light emission using spectroscopy. This reveals atomic-size quantum emitters that interact with the magnetic component of light, offering a new tool for nano-optics.
Area of Science:
- Quantum optics
- Nanophotonics
- Spectroscopy
Background:
- Recent advances in magnetic light-matter interactions often rely on engineered nanostructures.
- Naturally occurring emitters can also display optical-frequency magnetic-dipole transitions.
Purpose of the Study:
- To quantify the magnetic nature of light emission from natural emitters.
- To utilize atomic-size quantum emitters for probing nanoscale electromagnetic fields.
- To explore the interaction between emitters and the magnetic component of light.
Main Methods:
- Energy- and momentum-resolved spectroscopy.
- Leveraging spectrally close electric- and magnetic-dipole transitions in trivalent europium.
- Probing vacuum fluctuations in electric and magnetic fields at the nanometre scale.
Main Results:
- Demonstrated quantification of the magnetic nature of light emission.
- Utilized trivalent europium transitions to probe nanoscale vacuum fluctuations.
- Showcased atomic-size quantum emitters interacting with the magnetic field of light.
Conclusions:
- Atomic-size quantum emitters can interact with the magnetic component of light.
- This interaction provides a novel tool for nano-optics.
- The study opens new avenues for manipulating light at the nanoscale.
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