Polarization dependence of an edge filter based on singlemode-multimode-singlemode fibre

Agus Muhamad Hatta*, Yuliya Semenova, Ginu Rajan, Gerald Farrell

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The polarization dependent loss (PDL) of a singlemode-multimode-singlemode (SMS) fibre structure used as an edge filter is presented. Minor errors in the fabrication process for the SMS fibre structure can introduce SMS fibre core offsets. The PDL due to lateral and rotational core offsets is investigated numerically and experimentally. It is shown that small core offsets are necessary to achieve low PDL for an SMS fibre based edge filter. It is also demonstrated that when lateral core offsets are unavoidable, the PDL of a SMS edge filter can still be minimized by introducing a rotational core offset of 90°.

Original languageEnglish
Pages (from-to)1044-1048
Number of pages5
JournalOptics and Laser Technology
Volume42
Issue number6
DOIs
Publication statusPublished - Sept 2010
Externally publishedYes

Keywords

  • Edge filter
  • Multimode fibre
  • Polarization dependent loss

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