Mid-infrared doping tunable transmission through subwavelength metal hole arrays on InSb

B. S. Passmore, D. G. Allen, S. R. Vangala, W. D. Goodhue, D. Wasserman, E. A. Shaner

Research output: Contribution to journalArticlepeer-review

Abstract

Doping-tunable mid-infrared extraordinary transmission is demonstrated from a periodic metal hole array patterned on n-InSb. The polarization-dependent transmission was measured at room temperature and 77 K. In addition, the extraordinary transmission was measured for incident angles from 0° to 35° in 5° steps, A fundamental resonance shift of ∼123 cm -1 (1.4 u.m) is observed by varying the doping from 1 × 10 16 to 2 × 1018 cm-3. The calculated transmission resonances were in good agreement with the experimental results. This suggests that InSb semiconductor-based plasmonic structures may be suitable for a variety of tunable mid-infrared device applications.

Original languageEnglish (US)
Pages (from-to)10223-10230
Number of pages8
JournalOptics Express
Volume17
Issue number12
DOIs
StatePublished - Jun 8 2009

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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