One-dimensional long-range plasmonic-photonic structures

W. Mu, D. B. Buchholz, M. Sukharev, J. I. Jang, R. P.H. Chang, J. B. Ketterson

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


We have fabricated line gratings from periodically etched fused silica on which a thin silver film is deposited that is in turn covered with a silica index-matched fluid. This dielectrically symmetric geometry supports an independent long-range surface plasmon-polariton (LRSPP) and a short-range surface plasmon polariton, and the associated plasmonic band structure has been probed. Coupling to external light is achieved via the patterned grating, and an ultrasharp LRSPP linewidth of 4 nm is observed. The experimental results are compared with finite-difference time-domain simulations.

Original languageEnglish (US)
Pages (from-to)550-552
Number of pages3
JournalOptics letters
Issue number4
StatePublished - Feb 15 2010

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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