Journal
NANOSCALE
Volume 7, Issue 37, Pages 15091-15098Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr03349g
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Funding
- National Natural Science Foundation of China [11104016, 11574033, 11074024, 61275130]
- Beijing Higher Education Young Elite Teacher Project
- Fundamental Research Funds for Central Universities
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Single-excitation dual-color coherent lasing was achieved in a mixed random system of a binary dye and the suspension of gold-silver porous nanowires with plenty of nanogaps. This greatly enhanced the local electromagnetic field in the visible range and guaranteed a low threshold and high Q factor (>10 000) operator for simultaneous dual-color lasing. By tuning the resonance energy transfer process in the stimulated emission, triple output modes (single chartreuse lasing, chartreuse and red dual-color lasing, and single red coherent lasing) were easily obtained. This triple-mode coherent random lasing introduces a new approach to designing multi-functional micro-optoelectronic devices for multi-color speckle-free imaging and interference.
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