期刊
PHYSICAL REVIEW LETTERS
卷 113, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.076101
关键词
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资金
- LABEX WIFI (Laboratory of Excellence within the French Program Investments for the Future) [ANR-10-LABX-24, ANR-10-IDEX-0001-02 PSL*]
- Dim NanoK through project NanoFEG
- Dim NanoK through project Snalbun
- CNRS through the project Instrumentation aux limites
We report on an experimental technique to quantify the relative importance of electric and magnetic dipole luminescence from a single nanosource in structured environments. By attaching a Eu3+-doped nanocrystal to a near-field scanning optical microscope tip, we map the branching ratios associated with two electric dipole and one magnetic dipole transitions in three dimensions on a gold stripe. The relative weights of the electric and magnetic radiative local density of states can be recovered quantitatively, based on a multilevel model. This paves the way towards the full electric and magnetic characterization of nanostructures for the control of single emitter luminescence.
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