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Plasmon-Assisted Nd3+-Based Solid-State Nanolaser
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DOI：10.1021/acs.nanolett.5b03656.png)
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Abstract
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Solid-state lasers constitute essential tools in a variety of scientific and technological areas, being available in many different designs. However, although nanolasing has been successfully achieved for dyes and semiconductor gain media associated with plasmonic structures, the operation of solid-state lasers beyond the diffraction limit has. not been reported yet. Here, we demonstrate room temperature laser action with subwavelength confinement in a Nd3+-based solid-state laser by means of the localized surface plasmon resonances supported by chains of metallic nanoparticles. We show a 50% reduction of the pump power at threshold and a remarkable 15-fold improvement of the slope efficiency with respect to the bulk laser operation. The results can be extended to the large diversity of solid-state lasers with the subsequent impact on their applications.
Keywords:
Nd3+
plasmonic nanolaser
solid-state laser
chains of Ag nanoparticles
Journal
IF:
9.1
Papers:
2.7W
Citations:
16.5W
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