期刊
PHYSICAL REVIEW LETTERS
卷 101, 期 22, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.226806
关键词
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资金
- 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
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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