Strong coupling of molecular and mid-infrared perfect absorber resonances

Joshua A. Mason, Graham Allen, Viktor A. Podolskiy, Daniel Wasserman

Research output: Contribution to journalArticlepeer-review


We demonstrate strong coupling between a mid-infrared perfect absorber and a molecular absorption resonance embedded in our absorber structure. Anti-crossing behavior is demonstrated as the perfect absorber resonance is tuned through the molecular absorption line, both experimentally and numerically, and is described analytically using a simple coupled harmonic oscillator model. Excellent agreement between experimental, numerical, and analytical results are shown. Such devices offer potential for mid-infrared sensing systems and actively tunable perfect absorber devices.

Original languageEnglish (US)
Article number6045316
Pages (from-to)31-33
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number1
StatePublished - 2012
Externally publishedYes


  • Chemical sensing
  • Mid-infrared
  • Perfect absorber
  • Strong coupling

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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