Nanoimprinted reflecting gratings for long-range surface plasmon polaritons

Rasmus Haugstrup Pedersen, Alexandra Boltasseva, Dan Mario Johansen, Theodor Nielsen, Kasper Bønneland Jørgensen, K. Leosson, John Erland Østergaard, Anders Kristensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We present a novel design, fabrication, and characterization of reflecting gratings for long-range surface plasmon polaritons (LR-SPPs) at telecom wavelengths. LR-SPP waveguides consisting of a thin (12 nm) gold film embedded in a thick (45 μm) layer of dielectric polymer cladding are structured by nanoimprint lithography to form a reflecting Bragg grating. By performing spectrally resolved transmission measurements pronounced Bragg grating behaviour is observed, with the transmission dip increasing (up to 12 dB) with the increasing grating length.
Original languageEnglish
JournalMicroelectronic Engineering
Volume84
Issue number5-8
Pages (from-to)895-898
ISSN0167-9317
DOIs
Publication statusPublished - 2007

Keywords

  • Reflecting grating
  • Nanoimprint lithography
  • Long-range surface plasmon polaritons

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