Quantum-coherence-enhanced surface plasmon amplification by stimulated emission of radiation

Konstantin E. Dorfman, Pankaj K. Jha, Dmitri V. Voronine, Patrice Genevet, Federico Capasso, Marlan O. Scully

Research output: Contribution to journalArticlepeer-review

86 Scopus citations

Abstract

We investigate surface plasmon amplification in a silver nanoparticle coupled to an externally driven three-level gain medium and show that quantum coherence significantly enhances the generation of surface plasmons. Surface plasmon amplification by stimulated emission of radiation is achieved in the absence of population inversion on the spasing transition, which reduces the pump requirements. The coherent drive allows us to control the dynamics and holds promise for quantum control of nanoplasmonic devices.

Original languageEnglish (US)
Article number043601
JournalPhysical Review Letters
Volume111
Issue number4
DOIs
StatePublished - Jul 23 2013
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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