Journal
PHYSICAL REVIEW LETTERS
Volume 101, Issue 22, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.226806
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Funding
- NSF PREM [DMR 0611430]
- NSF CREST [HRD 0317722]
- NSF NCN [EEC-0228390]
- NSF Grant [ECCS-0724763]
- NASA URC [NCC3-1035]
- ONR [N00014-07-1-0457]
- ACS-PRF
- U.S. Army
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1041820] Funding Source: National Science Foundation
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We have observed laserlike emission of surface plasmon polaritons (SPPs) decoupled to the glass prism in an attenuated total reflection setup. SPPs were excited by optically pumped molecules in a polymeric film deposited on the top of a silver film. Stimulated emission was characterized by a distinct threshold in the input-output dependence and narrowing of the emission spectrum. The observed stimulated emission and corresponding compensation of the metallic absorption loss by gain enables many applications of metamaterials and nanoplasmonic devices.
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