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

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 th...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Physical review letters 2013-07, Vol.111 (4), p.043601-043601, Article 043601
Hauptverfasser: Dorfman, Konstantin E, Jha, Pankaj K, Voronine, Dmitri V, Genevet, Patrice, Capasso, Federico, Scully, Marlan O
Format: Artikel
Sprache:eng
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung: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.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.111.043601