Optimization of sensors based on multimode interference in single-mode-multimode-single-mode structure

  • Ignacio Del Villar
  • , Abian B. Socorro
  • , Jesus M. Corres
  • , Francisco J. Arregui
  • , Ignacio R. Matias

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

By coating a single-mode-multimode-single-mode (SMS) structure with a complex refractive index thin-film the central wavelength of the transmission and attenuation bands of the optical spectrum can be shifted. By adequate selection of multimode segment length and diameter, the thin-film thickness and the thin-film refractive index, the sensitivity of the device to the surrounding medium refractive index, the thickness of the thin-film or the refractive index of the thin-film can be optimized. Experimental results are corroborated numerically with the transfer matrix method.

Original languageEnglish
Article number6616572
Pages (from-to)3460-3468
Number of pages9
JournalJournal of Lightwave Technology
Volume31
Issue number22
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Optical fiber interference
  • SMS structure
  • optical fiber transducers
  • thin films

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